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  • 365 emergency plumbers
  • 365 emergency gas
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  • 365 breakdowns /services
    boilers

07961 568 898

365 Emergency plumbing & drain service

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trustatrader Logo City and Guilds logo CIPHE logo

07961 568 898

365 Emergency plumbing & drain service

  • 365 emergency plumbers
  • 365 emergency gas
  • 365 emergency drainage
  • 365 breakdowns /services boilers

Biasi Boiler Repair, Servicing & Installation

Biasi boiler broken down? Need an annual service or a full replacement? Our Gas Safe registered engineers are available 24 hours a day, 365 days a year, across Harrow, Hillingdon and West London — with a 1-hour response time.

Need Immediate Assistance? Call Us Now at 07961 568 898

 

 

Biasi Boiler Repair in Harrow, Hillingdon & West London

 

Biasi boilers are a popular and reliable choice for homes and businesses across West London, but like any boiler they can develop faults, lose pressure, or simply reach the end of their service life. When that happens, you need a heating engineer who knows the Biasi range inside out — and who can get to you fast.

At Emergency Plumbers 365, our engineers have extensive experience diagnosing and repairing Biasi boilers, from the classic Riva and Prisma ranges to more recent models. Whether your boiler has locked out, lost pressure, is making unusual noises, or is simply not producing hot water, we can help — any time of day or night.

We cover Harrow and surrounding areas including Hillingdon, Ruislip, Hayes, Uxbridge, Pinner, Northwood, Watford, Stanmore, Edgware, and all of West and North West London. Our fully equipped vans carry a comprehensive range of Biasi-compatible parts so that in many cases we can complete repairs on the first visit.

 

Biasi Boiler Models We Repair & Service

We work on all Biasi boiler models, for both domestic and commercial properties. Some of the most common Biasi boilers we repair include: 

 

Model Type Typical Use
Biasi Riva Advance M90E Combination Domestic — flats and smaller homes
Biasi Riva Plus HE Combination Domestic — mid-size properties
Biasi Prisma HE System Domestic — larger homes with hot water cylinder
Biasi Inovia Combination Domestic & light commercial
Biasi Rinnova Combination Domestic — energy-efficient replacement
Biasi Garda Heat Only / Regular Older domestic systems with separate cylinder

Not sure which model you have? No problem — our engineers can identify your boiler on arrival and advise accordingly.

Need Immediate Assistance? Call Us Now at 07961 568 898

Yes, we install boilers too!

 

 

Common Biasi Boiler Problems We Fix

Biasi boilers can develop a range of faults over time. Below are the most common issues our engineers are called out to diagnose and repair:

 

Boiler Lockout & Error Codes

Biasi boilers display fault codes when they lock out. Our engineers can read and diagnose these codes and carry out the necessary repairs to get the boiler running again.

No Hot Water or Heating

One of the most common call-outs. Causes include a faulty diverter valve, failed pump, airlock, or broken thermostat — all of which we can diagnose and fix.

Low Boiler Pressure

If your Biasi boiler pressure gauge is reading below 1 bar, there may be a leak in the system or a faulty pressure relief valve. We can identify the cause and repressurise the system.

Boiler Kettling & Noises

Banging, rumbling or kettling from a Biasi boiler is often caused by limescale buildup or sludge in the heat exchanger. A powerflush or descale treatment can usually resolve this.

Pilot Light / Ignition Failure

If your Biasi boiler won't ignite or the pilot light keeps cutting out, it may be an issue with the ignition leads, electrode, or gas valve. This requires a Gas Safe engineer to diagnose safely.

Leaking or Dripping

A leaking Biasi boiler can cause low pressure and water damage. Common causes include a faulty pressure relief valve, worn pump seal, or loose connection — all repairable by our engineers.

Frozen Condensate Pipe

In cold weather, the condensate pipe on a Biasi condensing boiler can freeze and cause a blockage, leading to lockout. We can thaw the pipe and refit it to prevent future freezing.

Intermittent Heating

If your Biasi boiler fires up intermittently, cuts out at random, or heats some rooms but not others, this may indicate a faulty pump, motorised valve, or wiring fault.

 

Annual Biasi Boiler Servicing

An annual boiler service is the best way to keep your Biasi boiler running efficiently and safely. Regular servicing can extend the life of your boiler, maintain your manufacturer's warranty, improve fuel efficiency, and identify potential faults before they become expensive breakdowns.

During a Biasi boiler service, our Gas Safe engineer will carry out a thorough inspection, including:

✅ Checking the heat exchanger for damage or corrosion

✅ Inspecting and cleaning the burner and injectors

✅ Testing the flue for safe operation and gas spillage

✅ Checking gas pressure and flow rate

✅ Inspecting the ignition and flame sensor

✅ Testing the expansion vessel and pressure relief valve

✅ Checking all seals and connections for leaks

✅ Running a full system test and safety check

We carry out Biasi boiler services for both domestic customers and landlords, and can provide a Gas Safety Certificate (CP12) if required.

 

Biasi Boiler Installation & Replacement

If your Biasi boiler is beyond economic repair, or you're looking to upgrade to a newer, more efficient model, our engineers can supply and install a replacement. We carry out full Biasi boiler installations across Harrow, Hillingdon and West London, for both domestic and commercial properties.

 We'll assess your property and heating requirements and advise on the most suitable Biasi boiler — whether that's a combi, system, or regular boiler. If you'd prefer to switch to a different brand altogether, we can advise on alternatives including Worcester Bosch, Vaillant, Ideal, and Baxi.

 

What's included in a Biasi boiler installation?

Free assessment and boiler recommendation

Supply and fitting of the new Biasi boiler

Removal of the old unit 

Connection to existing pipework and controls 

Fitting of a new flue if required 

Installation of new thermostat or smart controls 

Full system commissioning and testing 

Completion of all Gas Safe paperwork 

All of our boiler installations come with a 6-month workmanship guarantee, and Biasi manufacturer warranties are registered on your behalf.

 

 

 

Gas Safe Register Logo

Why Choose Emergency Plumbers 365?

We're a local, experienced, and reliable heating company based in Harrow, serving customers across Hillingdon, Brent, Ealing and the wider West and North West London area. Here's what makes us different:

✅ Available 24/7, every day of the year — including weekends, bank holidays and Christmas. 

✅ 1-hour response time — we aim to be with you within the hour for emergency call-outs. 

✅ Gas Safe registered engineers — all our heating engineers are fully qualified and registered. 

✅ Fully stocked vans — we carry a wide range of parts so most repairs can be completed on the first visit. 

✅ Transparent pricing — no hidden call-out fees; we discuss pricing with you before any work begins. 

✅ Rated 4.9/5 from over 106 customer reviews — our reputation speaks for itself. 

✅ City & Guilds trained, CIPHE members — professional standards you can trust.

 

Related Boiler & Heating Services

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Boiler Repair & Servicing

Boiler Installations

Vaillant Boiler Repair

Worcester Bosch Repair

Powerflush

MagnaClean Installation

Radiator Repairs

Smart Thermostat Install

Gas Safety Certificates

Hot Water Cylinders

 

 

 

Areas We Serve 

Emergency Plumbers 365 can guarantee a 1-hour rapid response time, to fix boiler emergencies. EP365 is situated in the Harrow area and we also cover Arnos Grove, Barnet, Belmont, Borehamwood, Bushey, Colindale, Denham, Edgware, Enfield, Finchley, Golders Green, Harrow, North Harrow, South Harrow, Hatch End, Hayes, Hendon, Highgate, Hillingdon, Ickenham, Kenton, Kingsbury, Mill Hill, Muswell Hill, Northolt, Northwick Park, Northwood, Perivale, Pinner, Potters Bar, Preston, Queensbury, Radlett, Rayners Lane, Rickmansworth, Ruislip, Shenley, Southgate, Stanmore, Totteridge, Uxbridge, Watford, Wealdstone, Whetstone, Winchmore Hill, Woodside Park, and all of those surrounding areas in Middlesex and the Hillingdon Borough. For those unexpected boiler repair or maintenence emergencies, our fully trained, qualified and certified engineers are on standby 365 days a year.

 

Help with all Boiler Brands

We don't just work with Biasi boilers; we can handle all boiler models and types. Check out our page for other brand boiler repairs.

 

Boiler manufacturer logos we repair

 

Frozen condensation pipes

All boilers heat water, and the steam that they generate from this process has to escape. The steam leaves the boiler through a small pipe that allows the steam produced to escape safely and turn to water as it cools. In cold weather, the water may freeze and cause a blockage in this pipe. For more information go to the  frozen condensate pipe page.

 

 

plumber repairing pipes with spanner


COVERAGE AREA

 

Small coverage map

Click here for coverage areas

 

 

star rating

 

Are we the best local plumbers?

With 106 Reviews averaging 4.9 out of 5, it's easy to see why we are the first choice for our customers.

Plumbing Service
4.9 out of 5 based on 106 ratings
(106 user reviews) as of 5 November 2017
Read all of our customer reviews on Google

emergency plumbers 365 icon 6 month warranty icon fUlly insured and Guaranteed icon certified engineers icon 1 hour response icon

Areas Covered

SERVICES & REPAIRS

Ball Valves Bath Shower Mixer Taps Basins Dishwasher Installations Dripping Taps
Blocked toilets Boiler Repair/service Boiler installs Hot water cylinders Unvented cylinders
Leaks Toilet Flushes Drain Downs Shower Pumps Magnaclean Install
Blocked Sinks Leaking Tanks Baths Power Showers Toilet Seats
Toilets & Bidets Radiator Valves Smart Thermostats Shower Repairs Water Meters
Cylinders Leaking Radiators Sinks Electric Showers Saniflo Macerators
Overflows Leaky Water Pipes Plugholes Tank & Pipe Lagging Leaking Valves
SureStop Stopcocks Immersion Heaters Powerflush Leaking Shower Trays Sink & Bath Traps
Taps & Boiling Water Taps Blocked Baths & Sinks Water Mains Outside Taps Waste Disposal Units
Mixer Taps Hot & Cold Water Tanks Waste Pipes Washing Machine Installations Economy 7 Cylinders
Noisy Pipes & Arrestors Tap Washers Gas Safety Certificate Emergency & NON Emergency Jobs Immersion Thermostats
Burst Pipes Tanks Sealant Application Lead Pipes Water Softeners
Noisy Boiler Mains Boost Pumps Bathroom Renovations Plastic Pipes Motorised Valves

Customer Reviews

 

 

See Our Google Reviews

emergency plumbers 365

Unit 692 176 Station Road, Harrow HA1 2RH

Tel: 07961 568 898 / Email: info@emergencyplumbers365.co.uk