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We have 780 questions about mending 'pressure valve boiler'

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Valiant Turbo max?

Hi all, my rads have just been changed, and it seems suddenly my boiler hot water fluctutates hot (8s), cold (... [Read more]
Mend Heating, Home Heating Systems

Ferroli Optima 901 -occasional Hot water problem?

Hi I have a Ferroli Optima 901 combi boiler and have recently been experiencing occasional problems with no ho... [Read more]
Mend Heating, Home Heating Systems

Where can I get a manual for my Vaillant VCW GB 242 EH combi?

I have a Vaillant VCW GB 242 EH combi which is acting up. Just had a guy replace the pressure release valve fo... [Read more]
Mend Heating, Home Heating Systems

Worcester Bosch 28CDI pressure drop. Repair?

Hi! I have the above boiler and the pressure drops from 1.5 to 0.3 bar in a day. The " dump valve" is leaking... [Read more]
Mend Heating, Home Heating Systems

What is wrong with my Potterton Puma 80?

Potterton Puma 80 Have recently had new pressure relief valve fitted, but pressure still fluctuates wildly, w... [Read more]
Mend Heating, Home Heating Systems

baxi bahama 100 will not ignite?

I have had the flow valve replaced in the boiler, this being the one that fills the boiler itself. for some re... [Read more]
Mend Heating, Home Heating Systems

Can I still use my Vokera Compact Combi Boiler with the pressure at 4 bar?

My wife accidentally released the water inlet valve and the pressure has risen to almost 4 bar - firstly how c... [Read more]
Mend Heating, Home Heating Systems

Should i Try!!!?

Should i try to replace the limit stat/overheat stat and vice versa, before changing the gas valve. the boiler... [Read more]
Mend Heating, Home Heating Systems

Glow-worm 30ci boiler water pressure problem?

i have a Glow-worm 30ci and have had constant problems with the water pressure, this often drops when the boil... [Read more]
Mend Heating, Home Heating Systems

Ferroli Optima 901 -Intermittent Hot water problem?

Hi I have a Ferroli Optima 901 combi boiler and have recently been experiencing intermittent problems with no ... [Read more]
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how can i fix my ariston euro combi boiler?

I have just moved into a new home fitted with the boiler above, i have experienced problems the previous owner... [Read more]
Mend Heating, Home Heating Systems

Constant Loss of pressure?

I have a valliant 242E Boiler and am having to refill the system once every 3 or 4 days due to loss of pressur... [Read more]
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How can I Fix My Ravenheat 820/20 boiler?

My ravenheat 820/20 boiler is supplying hot water but no CH. After a basic fault finding mission I discovered ... [Read more]
Mend Heating, Home Heating Systems

Ferroli Optima 901 -Intermittent Hot water problem?

Hi I have a Ferroli Optima 901 combi boiler and have recently been experiencing intermittent problems with no ... [Read more]
Mend Heating, Home Heating Systems

Ferroli Tempra 12 will not run?

This boiler has been problematical from the outset. It has been fitted with a new PCB and gas valve module. It... [Read more]
Mend Heating, Home Heating Systems

Sime super 80 low pressure problem?

Hi, I'm no boiler expert and can't seem to increase the pressure in my bolier. The grey dial is on just ab... [Read more]
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WE HAVE FLUCTUATION ON THE PRESSURE GAUGE. HAVE REPLACED VALVE, BAXI 105E?

PLEASE COUL;D SOMEONE HELP? WE HAVE BEEN HAVING PROBLEMS WITH OUR COMBI BOILER, FIRSTLY THE PRESSURE VALVE L... [Read more]
Mend Heating, Home Heating Systems

water dripping through pressure relief valve?

c can i adjust valve boiler is ferroli modena 80 e
Mend Heating, Home Heating Systems

Where can I get a user manual for a Potterton Puma 80/80e?

My boiler has the 'low system pressure' indicator light on. I have tried everything and increased the pressure... [Read more]
Mend Heating, Home Heating Systems

How do I regulate the pressure on my Potterton Puma 80?

I've just replaced the fan assembly and auto release air valve and pressure relief valve on my boiler and cann... [Read more]
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