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We have 117 questions about mending 'heat boiler appreciated'

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Mend Heating, Home Heating Systems

alpha 280e problem?

hello guys . this boiler has started screaming when the heating fires up ,and when hot tap ran . took cover of... [Read more]
Mend Heating, Home Heating Systems

Potterton Netaheat 16-22 HW doesn't work without CH?

I have had this problem with our Potterton Netaheat 16-22 Boiler for a while now. It is fine during the winter... [Read more]
Mend Heating, Home Heating Systems

Combi Boiler CH ok but no HW?

I have an old oil-fired Firebird C20 70K combi boiler, that provides CH and DHW to my house which has a single... [Read more]
Mend Heating, Home Heating Systems

Potterton Performa 28 problem?

Our Potterton Performa 28 is playing up - when running the hot water the radiators are warming up even though ... [Read more]
Mend Heating, Home Heating Systems

worcester 230 combi rsf problem?

Hi ,I have a problem with my boiler where the central heating is fine and works like clockwork, but I only see... [Read more]
Mend Heating, Home Heating Systems

Pressure reducing on my Bosch Worcester 24 CDi Combi Boiler?

A few months ago i had problems on my boiler with 'rising' pressure. This turned out to be the Heat Exchanger ... [Read more]
Mend Heating, Home Heating Systems

Alpha 240x shuts down,restarts, shuts down etc etc?

My Alpha 240x combi boiler wont stay lit for more then 20 secs then shuts down, it then relights some 15 - 20 ... [Read more]
Mend D.I.Y, Plumbing

Sime super 90 plus problems?

Hi, We have a super Sime 90 plus boiler and about a year ago we had to change the dreaded diaphram in the dive... [Read more]
Mend Heating, Home Heating Systems

worcester Bosch combi boiler?

It keeps losing the radio link with the thermostat and will not heat the radiators. I increased pressure as i... [Read more]
Mend Heating, Home Heating Systems

POWERMAX 155 - Will not heat water & radiators simultaneously ?

Hi all. I was hoping that someone could help? My Powermax 155 will not heat the water to the showers or taps, ... [Read more]
Mend Heating, Home Heating Systems

whats wrong with my worcester bosch greenstar 25si?

Hello,iv got a worc/bosch 25si/30si combi,which has been switching itself off.When i attempt to switch it on i... [Read more]
Mend Heating, Home Heating Systems

My Potterton Promax System 32 HE Plus no longer heats the house adaquately?

The other morning we had no HW or CH. When I looked at the Boiler I noticed the Pressure Gauge was below 0.5 b... [Read more]
Mend Heating, Home Heating Systems

Central Heating. GLOW-WORM BOILER?

My Glow-worm boiler runs for a few minutes then cuts out. It heats the water but NOT the central heating syste... [Read more]
Mend Heating, Home Heating Systems

chaffoteaux calydra 80 keeps locking out?

hi.......i have a chaff boiler that keeps locking out on no flame detection,the boiler starts the ignition seq... [Read more]
Mend Heating, Home Heating Systems

Vaillant EcotecPlus Boiler --Pressure gauge erratic?

Hi: When my heating is on, the needle of the pressure gauge shoots right up to the red. Then when the heat is ... [Read more]
Mend Heating, Home Heating Systems

chaffoteaux calydra 80 problem?

hi,iv a problem with the heating,the boiler fires up to heat the rads for about 10 secs then goes off every mi... [Read more]
Mend Heating, Home Heating Systems

how do i fix my baxi 80eco combination boiler?

boiler firing and giving hot water ok. When put heating on not firing. When switch is selected for heat and wa... [Read more]
Mend Heating, Home Heating Systems

Rayburn Driven Central Heating Problem - Upstairs Cold?

I have a Rayburn Gas CH system with a seperate pump. The cooker / boiler is in the basement kitchen with 3 ra... [Read more]
Mend Heating, Home Heating Systems

Hot Water problem?

I 've Heat line C24 boiler installed in July last year. The hot water is not working but the heating is OK. W... [Read more]
Mend D.I.Y, Switches and Sockets

Room stat query regarding a relay?

Need to fit a ferroli combi for a customer, the only thing is the combi also goes through two zone valves to g... [Read more]
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