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Mend Heating, Home Heating Systems

Potterton Programmer not controlling stat?

I developed a fault on my Potterton system as a direct result of trying to change the in room stat (Potterton ... [Read more]
Mend Heating, Home Heating Systems

how can i sort my halstead ace boiler?

Wish I'd not touched it... It was running OK but I noticed pressure on gauge was only 0.5 I was told keep it a... [Read more]
Mend Heating, Home Heating Systems

i have a vokera linea max floor mounted boiler, have hot w but no heating?

i have a 12 year old vokera linea max floor mounted boiler, i am getting hot water(it runs hot for a while the... [Read more]
Mend Heating, Home Heating Systems

How can I get rid of trapped air in central heating system?

After replacing the small rubber seal on the shaft of the hydraulic actuator in my BIASI 24S Combi boiler, the... [Read more]
Mend Heating, Home Heating Systems

potterton performa 24 ?

my boiler keeps fireing up then going off within seconds when heating is on it does get radiators hot but same... [Read more]
Mend Heating, Home Heating Systems

heating stat on boiler?

the heating stat on quattro gold turns boiler on but it keeps running swpt heating stat for dhw no change wont... [Read more]
Mend Heating, Home Heating Systems

Greenstar CDi combi boiler overheating?

Hi, Greenstar CDi combi boiler 3 years old. Top floor radiators cold so bled, this dropped water pressure to z... [Read more]
Mend Heating, Oil Filled Radiators

riello 40 pump?

is there a limit to how many times pressing the restart button will burn out the oil pump??? i recently ran o... [Read more]
Mend Heating, Home Heating Systems

How can I fix my Saunier Duval Semia Condens boiler?

The Central Heating (CH) side works perfectly but the Domestic Hot Water (DHW) has developed a problem, thus..... [Read more]
Mend Heating, Home Heating Systems

baxi combi 80eco?

Hi I have a baxi combi 80 eco boiler. The system preasure was too high on examination but has now been bled an... [Read more]
Mend Heating, Home Heating Systems

on all the time?

camray 2 oil fired boiler. running all the time, even when hot water only, heating only and or boiler switched... [Read more]
Mend Heating, Home Heating Systems

How can I fix my Vaillant Turbomax Plus combi boiler?

Have recently drained and refilled system. Turned boiler on and after an hour or so pressure was around 2 bar,... [Read more]
Mend Heating, Home Heating Systems

worcester greenstar 30cdi noisy when running heating?

hi my boiler is 5 years old and is running fine apart from when the heating is put on then it will make a ... [Read more]
Mend Heating, Home Heating Systems

f1 fault on 23 kw jaguar boiler?

boiler fires up on heating and hot water then goes into f1 fault change flame probe and pcb board replaced,fan... [Read more]
Mend Heating, Home Heating Systems

Vokera Compact 24 Fault?

No Central Heating or Hot Water The red light and fan are running constantly even when the switch on the fron... [Read more]
Mend Heating, Home Heating Systems

pressure gauge on combi boiler?

I have a Ravenheat RSF 820/20T fanned combi the pressure gauge on it shows an increase in pressure above the i... [Read more]
Mend Heating, Home Heating Systems

siemens RWB9 Programmer Fault?

i have a fully pumped system with zone valves , one for heating and one for hot water, my problem is that when... [Read more]
Mend Heating, Home Heating Systems

pump running continuously even though boiler switched off?

when my water is on my pump carries on running even when water has heated and boiler switched off. only stops ... [Read more]
Mend Heating, Home Heating Systems

boiler running but not heating rads?

my boiler was perfect when we turned it off for the summer now i have switched it on for winter and it is maki... [Read more]
Mend Heating, Home Heating Systems

Potterton powermax HE. Hot water but no heating?

I have a potterton HE boiler. I have no heating. The actuator is moving on the diverter valve and the pump is ... [Read more]

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