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Mend Ch 15 Hw

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We have 12 questions about mending 'ch 15 hw'

How to mend ... Ch 15 Hw

Mend Heating, Home Heating Systems

potterton suprema thermostat issue?

I have 2 supremas, 1 for HW t'other for CH. I noticed that the heat output on the CH unit, although turned dow... [Read more]
Mend Heating, Home Heating Systems

Potterton performa 28 keeps cutting out?

My Potterton performa 28 fires up for approx 15 seconds then stops. After maybe 30 seconds it will fire up aga... [Read more]
Mend Heating, Home Heating Systems

Hot water from boiler filling expansion tank?

I have an old type CH/HW system with storage cylinder in airing cupboard and Bermuda 552 back boiler. I notice... [Read more]
Mend Heating, Home Heating Systems

Sime Halstead Trio 30/90 - Main Burners are taking too long to fire up?

Everything seems fine; Pump is on ; Fan starts; Pilot light come on, Flue is clear but burners are taking some... [Read more]
Mend Heating, Home Heating Systems

My Ravenheat rsf100 et Combi Boiler won't ignite?

Please Help? just before i call out a plumber on a sunday, can anyone help?? My boiler Ravenheat RSF 100 ET... [Read more]
Mend Heating, Home Heating Systems

Baxi 105e fault- barely any CH, HW little better. Ideas?

Unsure if this is 2 separate problems or just 1. Would love some help. My rads have been almost cold for 1... [Read more]
Mend Heating, Home Heating Systems

My 350 combi will only issue hot water if the CH system is on?

My 15 year old 350 combi has developed a fault in that if the CH is off and you turn a hot tap on, HW comes ou... [Read more]
Mend Heating, Home Heating Systems

Central heating causes pressure rise sharply -PRV then operates- whats wron?

Have a Worcester 24i Jun. HW works fine but when CH is on the pressure goes from 1.2 bar to over 3.5 then PRV ... [Read more]
Mend Heating, Home Heating Systems

Potterton Profile cycles every 4-5 minutes?

My Potterton Profile 50e when started from cold works normally for about 15 minutes. Then it starts cycling 3 ... [Read more]
Mend Heating, Home Heating Systems

F24 misbehaving?

For some time, there has been an intermittent problem of the HW tap in the kitchen failing to cause the boiler... [Read more]
Mend Heating, Home Heating Systems

potterton puma 80e boiler?

my boiler fires up when on constant then shuts back to pilot light after about 15 secs,if it is on HW or CH an... [Read more]
Mend Heating, Home Heating Systems

How can I fix Glow-worm Micron 60FF?

I have this for more than 3 years and it has been working fine with CH and HW, until a couple of months ago. ... [Read more]

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