How to mend ... Boiler Hot Heating Switch

Isar HE 35 again problem?

Hi Last winter (thankd to this forum) I did replace diverter valve, temp gauge and water pump and spring come... [Read more]

Boiler sometimes doesn't fire up have to flick reset switch main 30he?

Have to set stat to call for heating to get hot water to fire up burner

potterton prima 30F problem?

The boiler is igniting when I put on the hot water. But the boiler doesn't ignite when I put on the heating. S... [Read more]

ariston euro combi boiler?

I have a Ariston Euro Combi Boiler, it is over 10 years old. It still working fine but with a few issues. I... [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]

I have the green star 28i Worcester boiler?

I have hot water but no heating. Workmen laying new pipes so they turned off gas but did switch it back on. Ho... [Read more]

Fault on fan or flue?

Our recently installed Main Combi 30 He ECO boiler is displaying a 50 degree LED fault (Fault on fan or flue).... [Read more]

halstead boiler?

Repeated query when I turn on the hot water the system tries to start but fails.I try again & it fails. I swit... [Read more]

Glow worm 30cxi F1 error - No hot water or heating?

We have had a new kitchen fitted not long ago and we had new wiring. The programmer for the boiler was broken... [Read more]

What does flashing A4 mean on my Ferroli boiler?

My boiler keeps flashing orange A4 and I have no heating or hot water I have to mess around with the reset but... [Read more]

Fix my Worcester Heatslave 20/25 oil boiler?

Worcester Heatslave 20/25 boiler 10 years old - over heating the domestic hot water, dangerously hot despite a... [Read more]

Falling Pressure?

Each year at this time when I turn the heating on on my Linea 24 combi boiler after being off all summer, the ... [Read more]

Radiators upstairs will not go off after relighting Potterton Kingfisher ?

Hi, I have an old Potterton Kingfisher CF50 boiler. Yesterday we had no hot water so re-lit the pilot lig... [Read more]

Vaillant ecoMAX time SWITCH 110 gas boiler pressure problem?

My gas boiler vaillant ecoMAX time SWITCH 110 had a pressure problem and its not coming on. How can I fix i... [Read more]

Remeha Avanta Plus not not activating heating?

I have just moved in to a new property with an Avanta Plus Combi Boiler. It works fine for heating the Hot Wat... [Read more]

why does the pump keep running when I turn the hot tap off?

My Vaillant combi boiler VCWE 240 works fine with the heating, but when I use the hot water, it doesn't switch... [Read more]

Glow worm betacom 30 c boiler error code 70 flashing?

Error code 70 flashing, boiler not lit, no hot water. replaced air pressure switch as that what the manual say... [Read more]

no hot water on my worcester 240bf?

Boiler lights up but have no hot water i have changed the diverter diaphram and can see the micro switch worki... [Read more]

how to fix my Vaillant ecotec plus 824?

My boiler is flashing con on display as I have had a rubber pipe split. I have tried hair dryer for 1/2 hour ... [Read more]

EA warning on wb green star 30cdi?

The ea warninglightvwas flashing on my boiler, decided that it wouldn't be the condensate pipe as it has had t... [Read more]