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Mend Heating, Home Heating Systems

Ravenheat 85 cycling on/off?

My ravenheat 85 a works fine when asking for HW however when the CH is demanded the burner will ignite, burn ... [Read more]
Mend Heating, Home Heating Systems

hw not working but CH is Baxi 80E?

Basically, we had some work outside and water was switched off about 3 weeks ago, pressure was dodgy so i ran... [Read more]
Mend Heating, Home Heating Systems

ravenheat 85 "a" reigniting?

Hi my ravenheat 85 a works fine when asking for hw however when the ch is demanded sometimes the burner will i... [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

baxi 105he hw works fine but no ch?

baxi 105he the hot water works but the central heating doesnt
Mend Heating, Home Heating Systems

My Potterton EP3001 programmer has 'reprogrammed' itself?

After a holiday with the power off my EP3001 programmer battery ran out (its old) and when switching on mains ... [Read more]
Mend Heating, Home Heating Systems

ferroli modena 80e boiler?

my ferroli modena 80e will not give hw/ch fan works spark lights but then lockout could it be the gas valve?
Mend Heating, Home Heating Systems

Warm water, no HW pilot, but CH works?

I turned off the timers for a weekend whilst away, now the hot water is warm but wont get hot, and I think it'... [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

Baxi Combi 105 HE condenser boiler pump question?

Can any one point me in the right direction with regards to the pump operation after the CH shuts down after b... [Read more]
Mend Heating, Home Heating Systems

CH works OK but I can't get any hot water?

I have a Potterton Netaheat electronic boiler, the CH heating works OK (pump is working for CH) but there is n... [Read more]
Mend Heating, Home Heating Systems

Myson Apollo 30si?

My boiler works fine for HW but when I want CH, it does not ignite. If I set the switch to CH&HW then I get bo... [Read more]
Mend Heating, Home Heating Systems

Potterton EP2000 CH not working though HW does?

I just tried to put the central heating on and nothing happened. The Hot Water is fine so the boiler obviousl... [Read more]
Mend Heating, Home Heating Systems

hw only works when ch is on?

We have a Potterton EP2000 contoller but that seems ok. I think I've isolated the fault to the diverter valve... [Read more]
Mend Heating, Home Heating Systems

How can I get hot water from my Protherm 80E combined ch/hw boiler?

My PROTHERM 80E works fine on C.H but does not give hot water. [it used to but stopped]. CH Plumber turned pow... [Read more]
Mend Heating, Home Heating Systems

Baxi Bahama 100 keeps cutting out?

My Baxi Bahama 100 keeps cutting out, sometimes its even works properly. Both the CH and the HW are fine when ... [Read more]
Mend Heating, Home Heating Systems

potterton ep2000,,,hw only works when ch is on?

the hot water only works when the central heating is put on,and the timer seems to do nothing,,the hot water s... [Read more]
Mend Heating, Home Heating Systems

Hot Water problem?

Ferolli Moderna 80E Combi boiler CH works fine. HW is hot for the first 10 seconds or so but then goes luke... [Read more]
Mend Heating, Home Heating Systems

Baxi 105e HW but no CH?

Hi Ive got a Baxi 105e which has developed a CH fault. Hot water works fine but flame will not remain lit whe... [Read more]
Mend Heating, Home Heating Systems

Worcester 24 cdi HW?

i have a 1999 Worcester 24 cdi boiler..... CH works fine but HW doesnt. when i call for HW the boiler doesnt i... [Read more]
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