Unanswered Questions

Heating, Home Heating Systems

Noisy relay switch in fan coil unit in condo?

When the relay switch turns on in the fan coil unit, it sounds like a gunshot. Relay was changed, but noise i... [Read more]

potterton performa?

boiler on low flame vibrates but does not on full flame

Baxi Combi Instant 105e - Pressure Gauge?

My Baxi Combi instant 105e Boiler Gauge keeps dropping to zero pressure, after repressurising and during opera... [Read more]

switchmaster 300?

switchmaster 300? i have a switchmaster 300 about 14 years old.the timer has stopped and will not restart.i h... [Read more]

boss therm bup2?

How do you switch off central heating program as it keeps reverting to original times first set thanks

modena 80 E combi boiler?

my boiler heating/hotwater is working,but yesterday i noticed that water was been expelled via the over flow.o... [Read more]

Halstead ace high will not reset?

Hi, I have just serviced a Halstead ace high 30kw combi for a customer. I closed the gas valve to check the ... [Read more]

new worcester 550I combi boler?

When the hot tap is opened fully the temp of the water increases until the boiler trips out .Worcester service... [Read more]

RC1 and WR1 thermostat keeps switching to alarm, despite constant resets!?

Hello, I hope someone might be albe to help me. I have noticed that my heating alarm LED keeps coming on a... [Read more]

glow worm compact 100e hot water problems?

I have hot water problems on my boiler, two days ago hot water stopped working. Found one fault which was dome... [Read more]

how to fix ?

what does fh mean on optimax he 31c boiler is it easy to fix ?

how to programme a halstead rfth 1 controller?

My neighbours are back and I want to turn their heating on but have no idea how to ask this controller how to ... [Read more]

Glow-Worm 30cxi combi boiler?

On turning on water runs tepid for 30 secs. then cold thereafter. Pressure indicating steady 1.5 bars. Central... [Read more]

Betacom 24a?

Hi, I have a Betacom 24a, heating is ok, hot water runs for approx 5 mins then tap symbol stops flashing and w... [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]

how can i fix my boiler?

hi i have a potterton 30 HE boiler, we have replaced many parts but we sill have two flashing red lights on th... [Read more]

how can i fix my sime 80 combi boiler?

when i turn the hot water on the combi also heats the radiators and but the hot water taps only runs warm

If Iam getting hotwater but the radiators do not work at all and the red ?

On a heatline c28 boiler if Iam getting hotwater but the radiators do not work at all and red light for DHW f... [Read more]

Combi boiler Worcester?

Pressure fallen to zero -first time this has happened!

My firebird olympic s 70-90 wont start up?

Hi, one morning the oil boiler wouldn't start up. Pressed the reset button tried to fire up but didn't see... [Read more]