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We have 292 questions about mending 'boiler water main'

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Mend Heating, Home Heating Systems

How do I remove the top cover from Worcester Bosch Highflow 400?

Something is leaking, I can hear the dripping, and yes there is water seeping down to the kitchen below. I ... [Read more]
Mend Heating, Home Heating Systems

how can i lower the pressure on my MAIN COMBI HE BOILER?

THE PRESSURE ON MY BOILER IS TOO HIGH HOW DO I LOWER THE PRESSURE THE WATER IN MY BATHROOM IS LUKE WARM BUT HO... [Read more]
Mend Heating, Home Heating Systems

main medway super?

pilot light lights then when you fire the boiler up it goes all fine then when you turn the hot water of and t... [Read more]
Mend Heating, Home Heating Systems

heating stays on same temperature,and the hot water stayes on ?

Hot water stays on after being turned off on main switch, and the heating stays same temperature even if the d... [Read more]
Mend Heating, Home Heating Systems

Wickes Combi 102 pressure?

My Wickes boiler needs a repalcement pressure valve. My concern is why has the pressure increased. Can it be t... [Read more]
Mend Heating, Home Heating Systems

Worcester 240 Boiler. Water is hot with tap half open, cold when fully open?

I have a Worcester 240 gas boiler. Recently, I've noticed that if a hot water tap is partially opened there is... [Read more]
Mend Heating, Home Heating Systems

Glow worm hot water express boiler ?

pilot on ok, fan runs low speed and high speed ok, but boiler will not fire up either on hot water or central... [Read more]
Mend Heating, Home Heating Systems

pilot light on but main burner not kicking in for hot water?

combi boiler britony ii supply for hot water only,pilot light on but main burner not kicking in when hot water... [Read more]
Mend Heating, Home Heating Systems

Valliant boiler time switch 120 low preasure?

I have the above boiler that keeps loosing preasure. How can I increase the preasure myself? Where is the ma... [Read more]
Mend Heating, Home Heating Systems

how to fix my new system?

just had new heating system fitted using the main eco ombi boiler only i do not get a constant flow of hot wa... [Read more]
Mend Heating, Convector Heaters

problem with Sime 105 Super Mk 2?

Hi, I have a problem (again) with my Sime combi boiler. When the burner flame switches off on either heating o... [Read more]
Mend Heating, Home Heating Systems

No power to boiler?

Help! I have an Ideal Icos HE24 boiler and last night it decided to stop working. When I checked it this morn... [Read more]
Mend Heating, Oil Filled Radiators

Ravenheat Condensing combi boiler - loss of pressure?

I installed a Ravenheat combi boiler when I added an extension to my property. Amongst the problems I have(dod... [Read more]
Mend Heating, Home Heating Systems

Potterton Prima 50 F main burner will not remain on?

I've got a twelve or thirteen year old Prima F which has run reliably until the last year or so. I fixed the u... [Read more]
Mend Heating, Home Heating Systems

no hot water upstairs?

when i turn on the shower or bathroom tap, the water is cold for a minute, then quite hot for a minute, then r... [Read more]
Mend Heating, Home Heating Systems

Boiler problem - Myson Apollo 50s?

My boiler has stopped heating and my engineer is stumped. I have a small baby and need the heating on asap (t... [Read more]
Mend Heating, Home Heating Systems

Potterton Kingfisher MFL lockout?

boiler is locking out occasionally (once a day). Prior to lockout all radiators get VERY hot and there seems ... [Read more]
Mend Heating, Home Heating Systems

main combi 24 he?

main combi 24 he? We have an erratic problem with the red flashing burner fail light. Heating fails and we ha... [Read more]
Mend Heating, Home Heating Systems

Main HE 24 Combi Smells of egg when hot water is run?

My friend has a Main HE 24 Combi and it really smells like rotten eggs, but not gas, when the hot water is run... [Read more]
Mend Heating, Home Heating Systems

Potterton 50, not ignighting?

I had a problem with my boiler, had some water go in to it and had to chage the main board. but the problem i ... [Read more]
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