How to mend ... Ch Hw Works

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]

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]

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]

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]

baxi 105he hw works fine but no ch?

baxi 105he the hot water works but the central heating doesnt

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]

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?

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]

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]

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]

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]

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]

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]

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]

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]

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]

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]

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]

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]

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]