Intergas Boilers Essex: Installation, Repairs, Servicing & Fault Codes

Experienced Intergas Boiler Engineers

Intergas boilers are less common than some of the largest UK boiler brands. However, their distinctive design means it is useful to choose an engineer who understands modern condensing-boiler diagnostics and the wider heating system.

Boilers 4 Essex has extensive experience repairing, servicing and installing gas boilers across Essex. Our engineers are Gas Safe registered and work on boilers from all major manufacturers.

In addition, our wider team attends manufacturer-specific training across leading brands. That broad diagnostic experience is useful when dealing with ignition, combustion, circulation and control faults.

Why Choose Boilers 4 Essex?

• Gas Safe registered engineers
• Extensive boiler repair experience
• Experienced fault-finding team
• Knowledge across all major boiler manufacturers
• Manufacturer-specific training within the wider team
• Domestic and commercial heating experience
• Which? Trusted Trader credentials
• Established Essex heating company
• Strong local boiler-parts supply network
• Installation, servicing and repairs from one company

Above all, we aim to diagnose the fault before recommending parts. Therefore, the repair is based on evidence rather than guesswork.

Read more about our boiler repair service across Essex.

Intergas Boiler Installation in Essex

Boilers 4 Essex can install Intergas boilers where the product is suitable for the property and customer's heating requirements.

Intergas offers combi, heat-only and open-vent options. Several boilers can also be configured for different system types, which gives an installer flexibility when replacing an existing appliance.

However, choosing a new boiler should start with the property rather than the brand name.

What Do We Check Before Recommending an Intergas Boiler?

• Property size
• Heating requirement
• Number and size of radiators
• Number of bathrooms
• Hot-water demand
• Incoming water flow
• Incoming water pressure
• Existing boiler type
• Existing pipework
• Boiler location
• Flue requirements
• Condensate drainage
• Heating controls
• Condition of the central-heating system
• Whether stored hot water is required

Once the survey is complete, we can discuss whether a combi boiler, system boiler or heat-only boiler is appropriate.

Professional Intergas Boiler Installation

A new boiler should be installed as part of a complete heating system. Consequently, we also consider water quality, circulation, system protection and controls.

Depending on the installation, the work can include:

• Removal of the old boiler
• Installation of the new Intergas boiler
• Flue installation
• Condensate connection
• System cleaning
• Magnetic system filter
• Heating controls
• Pipework alterations
• Commissioning
• Customer handover

Correct commissioning and system protection are important for long-term reliability. Moreover, Intergas warranty terms require proper Benchmark commissioning and annual servicing.

What Is Different About an Intergas Boiler?

One of the main differences is the Intergas two-in-one heat exchanger.

Intergas uses a heat exchanger containing two separate copper circuits within an aluminium body. One circuit serves central heating, while the other carries domestic hot water.

As a result, many Intergas combi boilers do not need some components commonly found in more conventional combi-boiler designs.

No Diverter Valve on Many Intergas Combi Boilers

Intergas states that its combi design removes the need for a diverter valve, valve motor and secondary plate heat exchanger.

These components can be common service items on traditional combi boilers. Their absence therefore gives Intergas a distinctive mechanical design.

Can an Intergas Boiler Still Give Hot Water if the Pump Fails?

On relevant Intergas combi boilers, yes. Because domestic hot water runs through its own circuit within the heat exchanger, Intergas states that hot water can remain available even if the central-heating pump fails.

However, a failed pump still needs repair because normal central heating will be affected.

Does an Intergas Boiler Condense in Hot-Water Mode?

Intergas describes its design as double high efficiency. The manufacturer states that the heat exchanger can condense during both central-heating and domestic-hot-water operation.

Actual energy use still depends on the property, controls, system temperatures and how the boiler is used.

Which Intergas Boilers Are Available?

Intergas currently offers several boiler families. These range from compact entry-level appliances to higher-specification connected boilers.

Intergas Xclusive

The Intergas Xclusive is a feature-rich combi boiler available in 24kW, 30kW and 36kW versions.

It includes a touchscreen-style control panel, integral filling loop and built-in RF functionality. Therefore, it can work with the Intergas Comfort Touch app when the required gateway and controls are used.

The Xclusive currently carries a 10-year parts-and-labour warranty, subject to Intergas registration and warranty conditions.

Intergas also states that fitting its system filter can add two further years to the warranty under qualifying conditions.

Intergas Xtreme

The Intergas Xtreme is positioned as the manufacturer's most efficient boiler range.

It includes a built-in passive flue-gas heat-recovery system and the Intergas two-in-one heat exchanger.

Current models include Xtreme 24, 30 and 36 versions. Meanwhile, the manufacturer currently lists a seven-year boiler warranty for the Xtreme range, subject to terms.

Intergas ECO RF

The Intergas ECO RF combines the established Intergas heat-exchanger design with built-in RF connectivity.

The range includes outputs for different property sizes. For example, the ECO RF 24 is aimed at smaller homes, while higher-output models suit larger hot-water requirements.

Intergas currently lists a 10-year warranty for the ECO RF range, subject to registration and terms.

Intergas HRE

The Intergas HRE is the original Combi Compact boiler range and remains an important part of the manufacturer's UK offering.

It is available in several outputs, including 24/18, 28/24, 36/30 and 36/40 versions.

Intergas currently lists a seven-year warranty for the HRE range.

Intergas Rapid Plus

The Rapid Plus is positioned as a value-focused boiler and is available in 25kW and 32kW versions.

It includes an expansion vessel and digital time clock. In addition, the boiler can be configured for more than one type of heating system.

The current published warranty is six years, subject to Intergas terms.

Intergas Rapid

The standard Intergas Rapid is the manufacturer's entry-level boiler.

Intergas highlights its reduced component count, with only four moving parts in the relevant design.

The current published boiler warranty is three years. However, the Rapid heat exchanger currently carries a seven-year warranty.

Intergas HRE OV and HRE SB

Intergas also offers HRE OV and HRE SB models for homes that do not require a standard combi boiler.

The HRE OV can suit traditional open-vent heating systems, while the HRE SB provides a heat-only option.

Therefore, an Intergas replacement does not necessarily require converting an existing conventional system to a combi.

Intergas Boiler Warranties Explained

Intergas currently publishes different warranty periods across its boiler range.

Intergas currently provides a 10-year heat-exchanger warranty across most of its range. The main exception is the Rapid, which has a seven-year heat-exchanger warranty.

In addition, qualifying installations using an Intergas System Filter can receive extra warranty cover on certain models.

Intergas's trade information also advertises warranty periods of up to 12 years through qualifying accredited-installer arrangements. However, eligibility depends on the installer, boiler and current scheme terms.

What Do I Need to Keep an Intergas Warranty Valid?

Intergas's current warranty conditions include several important requirements:

• The installer must be Gas Safe registered
• The Benchmark Commissioning Checklist must be completed
• The boiler must be registered within 30 days
• The boiler must be serviced annually
• Service records must be retained

If the product is not registered within the required period, the manufacturer's warranty can be reduced to 12 months.

Therefore, registration and annual servicing should not be overlooked after a new boiler is installed.

Intergas Boiler Repairs in Essex

Has your Intergas boiler stopped working? Boilers 4 Essex provides professional boiler repairs throughout Essex.

Intergas boilers can be mechanically different from many conventional combis. Nevertheless, the same principle applies during diagnosis: the fault code is only the starting point.

For example, an ignition code can result from gas supply, condensate, ignition, earthing or control problems. Therefore, replacing a part based only on the number displayed can lead to unnecessary cost.

Common Intergas Boiler Problems We Diagnose

• Intergas boiler not firing up
• Intergas fault code 4
• Intergas F004 fault
• Intergas code 5 / F005
• Intergas code 6 / F006
• Intergas code 8 / F008
• No heating
• No hot water
• Heating but no hot water
• Hot water but no heating
• Boiler losing pressure
• Boiler pressure too high
• Intergas boiler leaking water
• Boiler repeatedly locking out
• Frozen or blocked condensate pipe
• Pump and circulation problems
• Fan faults
• Sensor faults
• Boiler making unusual noises
• Heating-control problems

Professional Intergas Fault Diagnosis

Accurate diagnosis can save time and unnecessary parts.

Our Gas Safe registered engineers consider the boiler, controls and wider system. As a result, pressure, water circulation, gas supply and external heating components are checked where relevant.

If the appliance needs an internal repair, the fault is investigated before components are changed.

Intergas Boiler Fault Codes Explained

Intergas uses different fault-code formats across its boiler generations.

Older HRE, ECO RF and Rapid-family boilers can display simple numbers such as 4, 5, 6 and 8. Newer Xclusive and Xtreme boilers use codes such as F004, F005, F006 and F008.

Therefore, homeowners often search for the same basic fault in two different ways.

What Does Fault Code 4 Mean on an Intergas Boiler?

Intergas fault code 4 generally means that no flame was detected during start-up on relevant HRE, ECO RF and Rapid-family boilers.

Possible causes include:

• No gas supply
• Low gas pressure
• Ignition problems
• A blocked or frozen condensate drain
• Poor electrical earth
• A gas-valve fault
• A control-board fault

If your boiler uses the newer Xclusive or Xtreme code format, the equivalent fault is commonly displayed as F004.

A recurring ignition fault should be professionally diagnosed.

What Does Intergas F004 Mean?

F004 means no flame has been detected during start-up on relevant Xclusive and Xtreme boilers.

Intergas lists gas supply, low inlet pressure, blocked condensate drainage, ignition components, poor earthing and gas-valve or control issues among the possible causes.

During freezing weather, accessible external condensate pipework is worth checking visually. However, do not dismantle the boiler or internal condensate trap.

What Does Intergas Code 5 or F005 Mean?

Code 5 or F005 relates to a poor flame signal or flame failure during normal operation on relevant boilers.

Possible areas include the condensate drain, gas pressure, ignition system, gas-valve adjustment, flue integrity and ionisation.

Because combustion measurements may be required, this is a job for a suitably qualified Gas Safe registered engineer.

What Does Intergas Code 6 or F006 Mean?

Code 6 / F006 is a false-flame or flame-simulation fault on relevant Intergas boilers.

The boiler is receiving a flame signal when it should not.

Depending on the model, the gas valve, ignition module, wiring or PCB may need testing. Consequently, the boiler should be professionally diagnosed.

What Does Intergas Code 8 or F008 Mean?

Code 8 / F008 indicates incorrect fan speed on relevant Intergas boilers.

Possible causes include fan obstruction, fan imbalance, damaged wiring, a defective fan assembly or PCB problems.

The fan forms part of the combustion system. Therefore, internal repair should be carried out by a qualified engineer.

What Does Intergas F001 Mean?

F001 means the central-heating temperature has become too high on relevant Xclusive and Xtreme boilers.

Intergas lists air in the system, pump failure, flow-sensor wiring and sensor problems among the areas that may require checking.

A recurring F001 fault can therefore point towards circulation or temperature-sensing problems.

What Does Intergas F003 Mean?

F003 indicates that the flue-gas temperature is too high on relevant Intergas boilers.

The heat exchanger may need inspection for contamination or restrictions. In addition, flue or chimney restrictions may need to be considered depending on the model.

What Does Intergas F007 Mean?

F007 means that the boiler has detected no or insufficient ionisation current on relevant Xclusive and Xtreme models.

The ionisation / ignition probe, its position and associated wiring can all need inspection.

Professional testing is recommended because this forms part of flame supervision and combustion safety.

Common Intergas Boiler Problems & Frequently Searched Questions

Why Is My Intergas Boiler Not Firing Up?

An Intergas boiler may fail to fire for several reasons.

• No gas supply
• Low gas pressure
• Fault code 4 or F004
• Ignition-component problems
• Blocked or frozen condensate drainage
• Poor electrical earthing
• Gas-valve faults
• Control-board problems

First, note the complete error code. Then check only safe external items described in the user instructions.

If the fault returns, contact our Essex boiler repair team.

Why Does My Intergas Boiler Keep Losing Pressure?

Repeated pressure loss can indicate a problem elsewhere in the sealed heating system.

Possible causes include:

• A leak from heating pipework
• Leaking radiator valves
• An internal boiler leak
• An expansion-vessel problem
• A pressure-relief valve issue
• Another sealed-system fault

Repressurising may restore operation temporarily where the instructions allow it. However, regularly adding water is not a permanent repair.

What Pressure Should an Intergas Boiler Be?

The exact cold filling pressure should be checked against the instructions for your boiler and heating system.

Many sealed domestic systems commonly operate around 1 to 1.5 bar when cold. Nevertheless, model-specific guidance should always take priority.

If pressure repeatedly falls or rises significantly when hot, contact an engineer.

Why Does My Intergas Boiler Have No Hot Water?

Intergas combi boilers are unusual because domestic hot water passes through a separate copper circuit within the main heat exchanger.

Therefore, the diagnostic route can differ from a conventional combi with a diverter valve and secondary plate heat exchanger.

Possible areas include:

• Hot-water flow detection
• Temperature sensors
• Water-flow restrictions
• Boiler controls
• Gas or combustion faults
• Other model-specific components

When booking an engineer, tell us whether the heating still works and whether the boiler reacts when a hot tap is opened.

Can an Intergas Boiler Produce Hot Water if the Pump Has Failed?

Relevant Intergas combi boilers can continue to provide hot water even if the central-heating pump has failed.

This is possible because the domestic-hot-water circuit is built directly into the two-in-one heat exchanger.

However, central heating will still be affected. The failed pump should therefore be diagnosed and repaired.

Why Do I Have Hot Water but No Heating?

If your hot water works but your radiators remain cold, there are several possible causes.

For example, a failed pump, heating control, thermostat, circulation problem or system pressure issue may prevent central heating.

Because an Intergas combi can still produce hot water after certain pump failures, this symptom can be particularly useful during diagnosis.

Why Is My Intergas Boiler Making a Noise?

Unusual boiler noises can result from air, poor circulation, pump problems, scale, contamination or another mechanical issue.

Possible descriptions include:

• Gurgling
• Banging
• Humming
• Vibrating
• Whistling

Tell us when the noise occurs and whether it changes between heating and hot-water operation.

Could My Intergas Condensate Pipe Be Frozen?

Yes. Intergas technical information lists a blocked or frozen condensate drain as a possible cause of relevant ignition and flame-loss faults.

During freezing weather, visually check accessible external pipework if it is safe to do so.

Do not use boiling water, disconnect internal boiler components or remove the boiler casing.

Why Does My Intergas Boiler Keep Locking Out?

A recurring lockout means the boiler is repeatedly detecting a condition that prevents normal operation.

The displayed code may point towards ignition, flame supervision, fan operation, circulation or sensors.

Therefore, repeatedly pressing reset is not a substitute for fault diagnosis.

Intergas Boiler Servicing in Essex

Boilers 4 Essex provides annual Intergas boiler servicing throughout Essex.

Intergas recommends annual servicing and its warranty terms require the boiler to be serviced every year by a Gas Safe registered engineer.

Service records also need to be retained where warranty cover applies.

Why Service an Intergas Boiler Every Year?

• Helps check safe operation
• Allows developing problems to be identified
• Provides a regular assessment of boiler condition
• Supports applicable manufacturer warranty conditions
• Provides an opportunity to inspect combustion and condensate operation
• Creates an ongoing maintenance record

Intergas has also published revised annual-service procedures for its boilers. Consequently, servicing should follow the current manufacturer instructions for the specific appliance.

See our boiler servicing service in Essex for more information.

Should I Repair or Replace My Intergas Boiler?

A fault code does not automatically mean the boiler needs replacing.

Intergas boilers are deliberately designed with fewer components in several combi models. Therefore, a repair can often remain worth considering where the appliance is otherwise in good condition.

Repair May Make Sense When:

• The boiler has generally been reliable
• The current fault is economical to repair
• Suitable parts remain available
• The heat exchanger and major components remain in reasonable condition
• The heating system still suits the property

Replacement May Be Worth Considering When:

• The boiler is suffering repeated breakdowns
• Several expensive faults have occurred
• Repair costs are becoming difficult to justify
• Parts are becoming harder to source
• The existing boiler no longer suits the property
• You are making major changes to the heating system

Boilers 4 Essex can assess the existing boiler first. As a result, you can compare repair cost with replacement before deciding.

If replacement is the better option, visit our boiler installation service.

Is an Intergas Combi Boiler Right for My Home?

A combi boiler provides central heating and hot water without a traditional separate cylinder.

Intergas offers several combi ranges, including Xclusive, Xtreme, ECO RF, HRE and Rapid.

However, the correct combi output depends on the property and hot-water demand. Therefore, mains flow, water pressure and number of bathrooms should be considered before choosing a model.

Does Intergas Make Heat-Only and Open-Vent Boilers?

Yes. Intergas offers heat-only and open-vent options, including the HRE SB and HRE OV ranges.

In addition, some Intergas boilers can be configured for different system types.

This flexibility can be useful when replacing an older conventional boiler because a full conversion to a combi may not be necessary.

Read more about heat-only boilers and system boilers.

Intergas Comfort Touch & Smart Heating Controls

Intergas offers the Comfort Touch thermostat and Comfort Touch app for compatible boilers.

The thermostat communicates using OpenTherm and can modulate the boiler according to room-temperature demand.

In addition, the app can provide remote heating control when used with compatible Intergas boilers and the required gateway.

Xtreme, Xclusive and ECO RF models have built-in RF capability for relevant connected-control arrangements.

Good controls can improve comfort and help the boiler respond more effectively to heating demand. Therefore, controls should be considered during a replacement-boiler survey.

Intergas Hybrid Heating

Intergas also offers hybrid heat-pump solutions under the Xtend name.

These systems combine an Intergas boiler with an air-source heat pump. The controls can then decide which heat source should operate according to system conditions.

Intergas currently offers both Xtend Monobloc and Xtend Split solutions.

Hybrid heating requires careful design. Consequently, heat loss, radiator sizing, electrical supply and property suitability should all be assessed before installation.

How Much Does an Intergas Boiler Cost?

There is no single installed price for every Intergas boiler.

The final cost depends on:

• Intergas boiler model
• Required output
• Combi, system or heat-only configuration
• Existing boiler location
• Whether the new boiler is being relocated
• Flue arrangement
• Heating controls
• System filter
• System cleaning and protection
• Pipework alterations
• Condition of the existing heating system

Therefore, a property survey gives a more accurate figure than a generic online price.

Request an Intergas Boiler Quote →

Intergas Boiler Engineers Across Essex

Boilers 4 Essex provides boiler installation, repair and servicing throughout Essex and surrounding areas.

Our engineers work across a wide range of locations. In addition, the site includes dedicated local heating and boiler pages for many of the towns we regularly attend.

• Heating and boiler engineers in Chelmsford
• Boiler repairs in Chelmsford
• Boiler repairs in Maldon
• Boiler repairs in Basildon
• Boiler repairs in Rayleigh
• Boiler repairs in Witham
• Boiler repairs in Grays
• Heating and boiler engineers in South Ockendon

If your town is not listed, contact us with your postcode. Our wider repair, installation and servicing services cover customers throughout Essex.

Frequently Asked Questions About Intergas Boilers

Do Boilers 4 Essex repair Intergas boilers?

Yes. Boilers 4 Essex provides fault diagnosis and boiler repairs across Essex. Our Gas Safe registered engineers work on modern condensing boilers and can investigate Intergas ignition, fan, circulation, pressure and control faults.

Do Boilers 4 Essex service Intergas boilers?

Yes. We provide annual boiler servicing throughout Essex and can service Intergas boilers in accordance with the relevant manufacturer instructions.

Can Boilers 4 Essex install an Intergas boiler?

Yes. Where an Intergas boiler is suitable for the property, Boilers 4 Essex can survey the heating system and provide a replacement-boiler quotation.

What is special about an Intergas boiler?

Intergas uses a two-in-one heat exchanger containing separate central-heating and domestic-hot-water circuits. On relevant combi boilers this removes the need for a diverter valve and secondary plate heat exchanger.

Does an Intergas combi boiler have a diverter valve?

Relevant Intergas combi boilers do not use a conventional diverter valve. The domestic-hot-water circuit is integrated into the two-in-one heat exchanger.

What does fault code 4 mean on an Intergas boiler?

Code 4 generally means no flame has been detected during start-up on relevant HRE, ECO RF and Rapid boilers. Gas supply, ignition, condensate, earthing and control problems are among the possible causes.

What does F004 mean on an Intergas boiler?

F004 means no flame during start-up on relevant Xclusive and Xtreme boilers. It is broadly the newer-format equivalent of code 4 on several earlier Intergas ranges.

What does code 5 or F005 mean?

Code 5 / F005 relates to poor flame signal or flame failure during operation on relevant Intergas boilers. Gas pressure, ignition, flue integrity, condensate drainage and ionisation can all need investigation.

What does code 6 or F006 mean?

Code 6 / F006 is a false-flame or flame-simulation fault on relevant boilers. The gas valve, ignition controls, wiring or PCB may require professional testing.

What does code 8 or F008 mean?

Code 8 / F008 indicates incorrect fan speed on relevant Intergas boilers. The fan, wiring and boiler electronics may need checking.

Why is my Intergas boiler not firing up?

Possible causes include gas-supply problems, code 4 / F004 ignition failure, blocked condensate drainage, ignition-component faults, poor earthing, gas-valve faults or control-board problems.

Why does my Intergas boiler keep losing pressure?

Repeated pressure loss may be caused by a leak or another fault within the sealed heating system. Radiator valves, pipework, expansion vessels, pressure-relief valves and the boiler itself can all require checking.

What pressure should my Intergas boiler be?

Many sealed domestic heating systems commonly sit around 1 to 1.5 bar when cold. However, always follow the instructions for your exact Intergas boiler and system.

Can an Intergas boiler provide hot water if the pump fails?

Relevant Intergas combi boilers can continue producing domestic hot water after a central-heating pump failure. This is possible because the hot-water circuit runs directly through the two-in-one heat exchanger.

Can an Intergas condensate pipe freeze?

Yes. Intergas technical guidance lists blocked or frozen condensate drainage as a possible cause of relevant ignition and flame-loss faults.

Can I reset an Intergas boiler myself?

A normal user reset may be appropriate where the boiler operating instructions permit it. On newer Xtreme models, Intergas specifically advises identifying the fault before resetting. If the fault returns, arrange an engineer.

Can I repair an Intergas boiler myself?

Do not remove the boiler casing or attempt internal gas, combustion or safety-related repairs. Gas-boiler work should be carried out by a suitably qualified Gas Safe registered engineer.

Which Intergas boiler is best?

There is no single Intergas boiler that is best for every property. Xclusive, Xtreme, ECO RF, HRE and Rapid models target different budgets, property sizes and hot-water requirements.

What is the difference between Intergas Xclusive and Xtreme?

Both are higher-specification Intergas combi ranges. The Xclusive focuses on controls, connectivity and user features, while the Xtreme includes passive flue-gas heat recovery for improved hot-water efficiency. Property requirements should determine the better choice.

What warranty does an Intergas Xclusive boiler have?

Intergas currently lists a 10-year parts-and-labour warranty for Xclusive boilers, subject to registration and terms. Qualifying system-filter arrangements can add additional cover.

How long is the warranty on an Intergas HRE?

Intergas currently lists a seven-year boiler warranty for the HRE range, subject to the manufacturer's conditions.

Does an Intergas boiler need servicing every year?

Yes, annual servicing is required under Intergas's current warranty terms. The service must be carried out by a Gas Safe registered engineer and evidence of servicing should be retained.

How long is the Intergas heat-exchanger warranty?

Intergas currently provides a 10-year heat-exchanger warranty on most boiler ranges. The Rapid range is the exception, with a seven-year heat-exchanger warranty.

Can you repair an older Intergas boiler?

Often, yes. Whether a repair is sensible depends on the fault, boiler condition, repair cost and availability of suitable parts.

Should I repair or replace an old Intergas boiler?

Repair may be sensible where the boiler has otherwise been reliable and the fault is economical to fix. Replacement becomes more attractive after repeated breakdowns, high repair costs or where the existing boiler no longer suits the property.

How much does an Intergas boiler repair cost?

The cost depends on the fault, diagnostic work, replacement parts and labour required. Contact Boilers 4 Essex with the model and displayed code where possible.

How much does a new Intergas boiler cost?

The installed cost depends on the boiler model, output, flue arrangement, controls and any system alterations required. Therefore, a property survey provides the most useful quotation.

Do you offer boiler finance?

Finance options may be available to qualifying customers, subject to status and applicable terms. See our boiler finance page.

Do you cover all of Essex?

Boilers 4 Essex provides boiler installation, repairs and servicing throughout Essex and surrounding areas. Contact us with your postcode and we can confirm current engineer availability.

What Should I Do If My Intergas Boiler Stops Working?

1. Check the display. Write down the complete fault code.
2. Note whether it is a number such as 4 or a code such as F004.
3. Check that the boiler has electrical power.
4. Check the system pressure. Do not remove the casing.
5. Check your thermostat and heating controls.
6. Check whether other gas appliances are working.
7. Follow only the normal homeowner checks in your Intergas user instructions.
8. Do not repeatedly reset a recurring fault.
9. Contact a Gas Safe registered engineer if the fault remains.

If you smell gas, do not attempt to diagnose the boiler. Leave the property and contact the National Gas Emergency Service on 0800 111 999.

Why Choose Boilers 4 Essex for Your Intergas Boiler?

Boiler work needs qualifications, practical experience and careful fault finding.

Boilers 4 Essex combines Gas Safe registration, extensive boiler experience, manufacturer knowledge across leading brands and a strong Essex service network.

• Gas Safe registered engineers
• Experienced boiler fault diagnosis
• Knowledge across major UK boiler manufacturers
• Manufacturer training within the wider team
• Domestic and commercial heating experience
• Which? Trusted Trader credentials
• Established Essex heating company
• Strong boiler-parts supply network
• Installation, servicing and repairs from one company
• Clear repair-versus-replacement advice

Our goal is to identify the actual problem and recommend a sensible solution. Therefore, if your Intergas boiler can be repaired economically, we can explain that option. If replacement is more appropriate, we can quote for a new boiler too.