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Mend Heating, Home Heating Systems

Ravenheat LS100T?

The boiler is not working on either the hot water or the central heating. When I go to switch it on the green ... [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

Ravenheat RSF 820/20?

I have a Ravenheat RSF 820/20 Boiler and the pilot light keeps going out, any ideas please.
Mend Heating, Home Heating Systems

ravenheat csi 85 a[t] no pilot light. can anyone help?

my combie boiler started to play up and eventualy died, i have read all the reviews and changed the ch sensor ... [Read more]
Mend Heating, Home Heating Systems

ravenheat boiler?

my h/w is only luke warm? how can i solve this problem PS there is a small amount of water on the releaf valve... [Read more]
Mend Heating, Home Heating Systems

how to relight a ravenheat combi boiler?

the boiler has gone off don't no how to relight it ravenheat combi boiler
Mend Heating, Home Heating Systems

Ravenheat combi boiler - No heating or hot water?

My Ravenheat combi boiler is not working. The power light is still on but the reset light is not lit so pressi... [Read more]
Mend Heating, Home Heating Systems

Ravenheat boiler?

Hi I have a ravenheat boiler which is making a loud vibrating noise when it reaches temperature on the central... [Read more]
Mend Heating, Home Heating Systems

Ravenheat boiler with no hot water?

Have a CSI 85..CH is working fine but hot water is non existent. Started out intermittent.. Boiler fires up ... [Read more]
Mend Heating, Home Heating Systems

How can I stop my Ravenheat CSI 85B tripping out?

I had a new Ravenheat CSI 85 B T installed today. It worked for the plumbers who installed it - they left and ... [Read more]
Mend Heating, Home Heating Systems

Ravenheat 85t?

Can anyone help my Ravenheat boiler will start and fire up on central heating but after a few seconds shuts do... [Read more]
Mend Heating, Home Heating Systems

problem with ravenheat rsf 820/20?

just replaced divertor valve, tested water and heating and was working fine, just put all the covers back on, ... [Read more]
Mend Heating, Home Heating Systems

Ravenheat White Star LS 100 T, DHW intermittent?

CH is fine, but the DHW comes on & off, not constant, a lot of clicking noises from the control panel, before ... [Read more]
Mend Heating, Home Heating Systems

RAVENHEAT ls100t - warm water only, heating ok?

Hello, I'm hoping someone may be able to help. My combi boiler was fitted around 6 years ago, and after two ... [Read more]
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very high pressure on ravenheat condensing boiler?

i topped up water pressure on my ravenheat condensing boiler and it kept rising up to 3.5 and wont come down a... [Read more]
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how do i light the pilot light on my ravenhaet boiler ?

the pilot light has gone out and can not get it relit on my ravenheat boiler
Mend Heating, Home Heating Systems

Ravenheat X100?

Hi, My boiler has decided to spring a leak. The water seems to be coming out of the back of the boiler. T... [Read more]
Mend Heating, Home Heating Systems

HOW CAN I FIX RAVENHEAT BOILER THAT WORKS SOMETHING BUT NOT WATER?

BOILER WORKS WHEN IT FEELS LIKE IT WITHOUT HOT WATER FOR SEVERAL MONTHS NOW. ITS WORKING NOW BUT STILL NO HOT... [Read more]
Mend Heating, Home Heating Systems

Ravenheat combi not shutting down?

My Ravenheat RSF 820 cuts in with the room stat but will not shut down even pressing the summer winter switch ... [Read more]
Mend Heating, Home Heating Systems

Ravenheat CSI 85 DHW?

I'm having problems with the DHW supply from this boiler. Water doesn't reach more than luke warm temperature.... [Read more]

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