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We have 60 questions about mending 'boiler fit valve'

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Mend Heating, Home Heating Systems

Worcester 28si boiler top up?

I have a very old worester 28si and the pressure is down to around 0.4 i cannot figure out how to up the press... [Read more]
Mend Heating, Home Heating Systems

Boiler Hot water intermittently losing temp, Heating seems fine?

The title explains the main issue, for some reason the hot water drops often every 20 secs or so, sometimes it... [Read more]
Mend Heating, Home Heating Systems

Baxi solo 3 turning on and off?

The boiler only stays on for around one minute, then off then on again. Whilst on all lights except overheat a... [Read more]
Mend Heating, Home Heating Systems

Suprima 50 HE No lights unless Gas Valve disconnected?

Hi, I have a Suprima 50 HE boiler that decided to stop working yesterday. When I got to it, all 3 lights w... [Read more]
Mend Heating, Home Heating Systems

Can I add a 400mm by 1200 rad to a system which has 4 rads on?

Can I add a 400mm by 1200 rad to a system which has 4 rads on at the moment and which end of rad will I need t... [Read more]
Mend Heating, Home Heating Systems

how is the diaprham fitted into the valve on a stelrad boiler?

need to know how the diaprham is fitted into the valve housing an which way the springs fit
Mend D.I.Y, Plumbing

converting to sealed system?

Would it be advisable to convert my heating system to a sealed type? The reason I ask is my boiler often makes... [Read more]
Mend Heating, Home Heating Systems

how can i adjust the d.h.w blending valve on my powermax 155x combi boiler?

I need to reduce the tempriture of the domestic hot water to 43/45 0c at the draw of taps etc from the pre set... [Read more]
Mend Heating, Home Heating Systems

Help with Worcester greenstar ri?

Hi, drained a central heating vented system today to fit a new rad valve, turned the cold water back on and re... [Read more]
Mend Heating, Home Heating Systems

Help with Worcester greenstar ri?

Hi, drained a central heating vented system today to fit a new rad valve, turned the cold water back on and re... [Read more]
Mend Heating, Home Heating Systems

Potterton Performa 28 hot water / central heating issue?

I wonder if any of you can help please? For some months now, whenever I run hot water, the central heating com... [Read more]
Mend Heating, Home Heating Systems

ravenheat csi 85a-csi 85at combi boiler?

I have the above mentioned combi boiler, the heating has now stopped working, DHW is running fine. I have noti... [Read more]
Mend Heating, Home Heating Systems

B&Q Silverstar Boiler, main fuse blowing, losing pressure slowly?

Hi - All help is greatly appreciated as I am lost at the minute with this problem. My Boiler stopped workin... [Read more]
Mend Heating, Home Heating Systems

what pipe do I use to fit to the blowoff valve on a britony 80?

I need to fit a pipe to the blowoff valve on my britony 80 boiler. British Gas says it needs to be in copper... [Read more]
Mend Heating, Home Heating Systems

how do i replace an automatic air release valve on my powermax?

the boiler is a powermax 155 sealed system (FFS 155 CP) The auto air vent is weeping. I have purchase a new on... [Read more]
Mend Heating, Home Heating Systems

firebird heatpac 70-90 oil boiler leak?

There is water flowing out of overflow safety valve in boiler it also has a pressure gauge on it.Could this ju... [Read more]
Mend Heating, Home Heating Systems

How do I fit a new diaphragm to RFS 820/20 boiler?

What is the procedure for fitting a new Diaphragm (part no. 5012051) for a 3 way valve on a RFS 820/20 Ravenh... [Read more]
Mend Heating, Home Heating Systems

Problem with the diverter valve - vaillant turbo max boiler?

My boiler is 13 years old but in good condition so I don't want to replace it. We've replaced the diverter va... [Read more]
Mend Heating, Home Heating Systems

New loop?

Can I fit a new loop to my 100e that has a tap at both ends? The current one has a tap at the inlet and a non-... [Read more]
Mend Heating, Home Heating Systems

Up grading Potterton Profile?

Currently we have a Potterton Profile 55e that works well and is very reliable. Due to changes in the layou... [Read more]
Pages 321

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