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Mend 25

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We have 325 questions about mending '25' in category Heating, Home Heating Systems

How to mend 25

Pages 76543
Mend boiler home heating pressure
1

how to ruduce the boiler pressure?

My pilot light goes out when i run hot water tap,it appears the pressure should seven bar, but now its jumping... [Read more]
Mend boiler heating Worcester
4

why is lockout light on my boiler?

i have a worcester heatslave 20/25 oil boiler and the lockout light has come on and now the water will not hea... [Read more]
Mend boiler heating pcb

re Worcester Boiler 9.24 Electronic. RSF?

The boiler is running in CH and Hot water mode. The boiler temp is set at just 2 or 3 on the main control. A... [Read more]
Mend boiler hot water worcester
1

bosch worcester 20/25 hot water stop cock?

hi all. got a leaky tap in an old house, nothing unusual there, unfortunatly a couple of problems arose on the... [Read more]
Mend boiler flue airflow
1

what type of terminal should i have on the flue for a worcester heatslave 2?

what type of terminal should i have on a vertical flue for a worcester heatslave 20/25 oil combi boiler, i hav... [Read more]
Mend Worcester Boiler Heating

boiler not firing?

my worcester bosch greenstar 30cdi gas boiler (normal--NOT coombi) has digits 25(sometimes changes, like 20 or... [Read more]
Mend boiler fault code glow-worm

what is the meaning?

of a fault 25 on the glow worm flexicom 15h boiler
Mend heating pressure system
1

Boiler?

Hello, being not too good with technical things like boilers etc, could someone explain just how to re-pressu... [Read more]
Mend boiler heating Worcester

worcester heatsalve 20/25?

My boiler's cut out keeps coming on after about 2-3 minutes of the burner igniting. fuel supply seems fine. An... [Read more]
Mend water problem going
3

No water in hot water tank?

Hi there, I have a problem... lol I'm afraid I'm going to err on the side of giving too much information... [Read more]
Mend boiler fault code heating

Ferolli Optimax 25 c F33?

Chaps, help, boiler has packed up and flashing the fault code F33 which is mighty useless as the manual does n... [Read more]
Mend heating radiators bosch
1

bosch heatslave hot water problems?

My Bosch heatslave 20/25 seems to be heating up the radiators when only the hot water timer switch is on. The ... [Read more]
Mend boiler pressure loss heating system
1

Pressure keeps dropping?

Dear Sir I would be grateful if you could help me resolve a problem with my Worcester Heatslave 20/25 - RS... [Read more]
Mend radiators heating system no heat
2

my radiatores do not work but my hot water does ?

my radiotors are not working but my hot water does although i have to run the hot water for a lomg time be... [Read more]
Mend fault code 25

WHAT IS FAULT CODE 25?

WHAT IS FAULT CODE 25
Mend boiler solenoid ignition
1

Lock out after service on Worcester Bosch 20/25?

Can anyone help - just had my fully functioning Worcester Bosch 20/25 boiler serviced. The engineer replaced t... [Read more]
Mend boiler repair condensing
1

is there any way to check / or repair a ferroli optimax 25 c boiler P.C.B?

i got a ferroli optimax condencing boiler which doent fire up. i hv been told tht its the pbc. is there an... [Read more]
Mend leaking into box

leaking into control box?

my heatslave 20/25 has developed a leak in the contol box,coming from plug.I would like to know what copper co... [Read more]
Mend boiler heating fault

sabre he 25 fault?

my sabre he 25 boiler once reset from the mains will initially fire up and give hot water for a limited time t... [Read more]
Mend boiler pressure expansion vessel
1

boiler worcester 400 vessel bar pressure fluctuates?

hi my computer been down anyway now fixed bolier not pressure seems to go up and down bar between 1 and 4 and ... [Read more]
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