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We have 87 questions about mending 'boiler working high'

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Mend Heating, Home Heating Systems

how do i fix my halstead boiler?

my halstead ace boiler has stopped heating the water but the ch is working ok it does not even fire up when y... [Read more]
Mend Heating, Home Heating Systems

No water in hot water tank?

Hi there, I have a problem... lol I'm afraid I'm going to err on the side of giving too much information... [Read more]
Mend Heating, Home Heating Systems

solarglow boiler...help?

we have a very old "solarglow" boiler on which the intterupter is no longer working. iv hunted high and low fo... [Read more]
Mend Heating, Home Heating Systems

HeatLine Compact Boiler locking out?

My HeatLine boiler locks out on a daily basis after working perfectly for a while. When reset by switching of... [Read more]
Mend Heating, Home Heating Systems

halsted ace high?

Please advise me, my boiler both heating & water seems to have a mind of its own,, it chooses to come on when ... [Read more]
Mend Heating, Home Heating Systems

hot water problem with my baxi combi 105e?

i have a baxi 105e the heating and hot water was not working. On investigation found that the 10mm pipes were ... [Read more]
Mend Heating, Home Heating Systems

How can I fix my Apollo Fanfare30/50 SI?

Apollo Fanfare 30/50 Si pilot light on but no ignitation of main boiler pump and fan both working but it will ... [Read more]
Mend Heating, Home Heating Systems

No heating?

My heating didn't come on this morning. The thermostat was on high, but the boiler wasn't doing its thing. ... [Read more]
Mend Heating, Home Heating Systems

halstead aces high almost new everything but just stopped firing up?

have replaced switches. diaphram. pcb. i have an identical boiler in my office and i changed pcb's recently. ... [Read more]
Mend Heating, Home Heating Systems

Baxi boiler pressure too high, fills itself?

The pressure on my Baxi boiler is too high and the release valve keeps opening. When I switch a tap on (cold o... [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

Ferolli Optimax HE31C - Error code d1?

Hmmmm Newly installed boiler working fine for heating but when hot tap is run, after tap is closed boiler g... [Read more]
Mend Heating, Home Heating Systems

is my chaffeteaux celtic combi boiler past it?

my boiler has given 20 years of pretty good service but recently central heating is working OK but hot water c... [Read more]
Mend Heating, Home Heating Systems

Myson Apollo 15/30 intermittent fault?

Can anyone help ?- This is one is baffling me! Boiler stays working for about fortnight & the pilot light al... [Read more]
Mend D.I.Y, Plumbing

working pressure drop?

went to repair falcon ll boiler nothing wrong with sensors dc voltage across both wires were correct but gas v... [Read more]
Mend Heating, Home Heating Systems

my woster bosh combi 350 boiler is not working! ?

the presher is o high the red and black arrows are both on 4! how do i get the presher down. and the boiler ba... [Read more]
Mend Heating, Home Heating Systems

Why does my Potterton Lynx boiler not work? Please help a single mum!!?

Recently moved into new house and told water and heating working fine (although due to weather I haven't had t... [Read more]
Mend Heating, Home Heating Systems

Baxi bermuda 552 back boiler- Pilot works but Burner not igniting? ?

Hi- any assistance would be great!! the boiler has not been serviced in a while and is not providing heating o... [Read more]
Mend Heating, Home Heating Systems

potterton proforma 28 gas boiler has high bar pressure !?

i noticed 2day that the pressure on my boiler was very low so turned it up t0 1 and half bar, to my horror it ... [Read more]
Mend D.I.Y, Plumbing

High pressure on my Optima Ferolli 901 central heating?

Hi, I have a Ferroli optima 901 . I had problms with the DHW and foolishly adjusted this on the mod gas valve... [Read more]
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