How to mend ... Hot Water Boiler Circuit

Arriston combi boiler hot water scalding temp light comes on?

high temp light comes on, boiler cuts out, click reset button works fine.. then cuts out few mins later. bar p... [Read more]

Valiant boiler showing F64?

Hi - Our Vaillant Eco max boiler 824 was not giving any hot water this morning and showing code F64. I phoned... [Read more]

the boiler heats the water but none is sent to tap or radiators?

after replacing the flow switch and diverter valve assembly complete I still have the same problem . the boile... [Read more]

Morco super compact feb-24ed f5?

My caravans boiler is now displaying f5. I just filled the hot water circuit after draining down for the winte... [Read more]

worcester 28i rsf has no central heating?

my boiler has no central heating but hot water fine. have checked following:-pump unit, combustion fan,resista... [Read more]

Saunier Duval F35E auto-vents down to code 21 in minutes?

7 year old boiler, noticed code 21 (radiator circuit pressure low) so she opened the filling loop but left it ... [Read more]

Have no hot water and boiler displaying A97?

A97 according to my instructions denotes Fumes circuit logic error. The boiler is micoGENIUS HE32 MFFI G.C.N:... [Read more]

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]

I have a greenstar 25cdi gas condensing boiler. ?

The hot water temperature is'nt always getting hot. Never cold but sometimes lukewarm , sometimes hot? The c... [Read more]

Potterton performa central heating problem?

Hello, everybody. Since I dont want to be tricked by any plumber who might visit me in the future I'm looking... [Read more]

Permanent F5 fault?

I have a Glowworm 18hxi boiler with a Systemate 2000 Gledhill system. Boiler keeps failing with F5 fault. Ha... [Read more]

Ariston SX20 mffice hot water ok but no CH?

My eurocombi operates in hot water mode ok. When you switch on the heating the fan runs but the boiler does n... [Read more]

Alpha CB24 Flashing Indicator Neons, No Hot Water/Heating, please help?

On sunday I discovered my Alpha CB24 had no power. On inspection, the main terminal fuse had blown. With a bit... [Read more]

max of 50 degrees hot water?

I have a Baxi 105 HE combi boiler about 6 years old. The hot water and central heating water only gets up to ... [Read more]

Ferrolli Optimax 25s boiler broken?

Hi - don't know if anyone can help? No heating or hot water for a few days now, awaiting an engineer who we... [Read more]

how can i fix my baxi solo 2 40pf boiler? ii?

Hi, I just changed the circuit board on my baxi, but it still wont light up. The problem started when i noti... [Read more]

RSF 82-ET intermittent heating and hot water?

My ravenheat RSF 82-ET boiler has had intermittent problems providing DHW and CH in the last few days, it is n... [Read more]

boiler will not turn off?

glowworm hxi boiler is constantly pumping hot water to central heating circuit even when the external programm... [Read more]

Can anyone help me with my Myson Boiler?

I have a Myson Back Boiler and it is 21 years old, it ignites when I put it on and then gos out, after a while... [Read more]

how can i fix my boiler its a baxi megaflo 28?

i have a baxi megaflo 28 which will heat my hot water and downstairs radiators but when i select heating upsta... [Read more]