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We have 2863 questions about mending 'heating water central'

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Mend Heating, Home Heating Systems

central heating ?

my potterton combi 80 boiler heats water with no problem, however the central heating does not work, i put ... [Read more]
Mend Heating, Home Heating Systems

central heating ?

my boiler heats water with no problem, however the central heating does not work, i put the central heating ... [Read more]
Mend Heating, Home Heating Systems

How can i fix my Halstead ace high boiler?

when i call for hot water only , the central heating is coming on and i only get minimum hot water at a slow r... [Read more]
Mend Heating, Home Heating Systems

Worcester Bosch Oil Heatslave 20/25 two years old?

Can not get the central heating to work; the water pump does not seem to be running. Hot water fine. Had a lon... [Read more]
Mend Heating, Home Heating Systems

wiring thorn emi m44/54b To a Tempus 7?

Does anyone know how to wire a Tempus 7 timer to a thorn emi m44/54 boiler. I've got the water heating but not... [Read more]
Mend Heating, Home Heating Systems

Worcester 350 combi not heating domestic hot water?

I have a worcester 350 combi that works ok on the central heating side, but randomly fails to light when drawi... [Read more]
Mend Heating, Home Heating Systems

Worcester 24i?

Hi drained down the system to repair a couple of weeping radiators, refilled the system to 1.5 bar vented all ... [Read more]
Mend Heating, Home Heating Systems

How can I get my central heating to work again?

I have a valliant eco combi boiler & a sunvic remote thermostat & receiver. Both water & heating were working ... [Read more]
Mend Heating, Home Heating Systems

how can i find out what is wrong with worcesster 350 rsf combi bioler ?

as soon as i put my central heating on my boiler cuts completely i have to reset overheat switch but if i onl... [Read more]
Mend Heating, Home Heating Systems

baxi 105e domestic water led wont go out?

my baxi 105e when you call for hot water it fires no problem and delivers ok. But when you switch the tap off ... [Read more]
Mend Heating, Home Heating Systems

honeywell 4073A 3 position diverter.how do I fix this?

My Diverter valve is not changing from central heating to hotwater. there is a manual over ride,but nothing ... [Read more]
Mend Heating, Home Heating Systems

how can i fix my Ferroli Modena boiler?

when ever the bolier kicks in and heats the water the central heating clicks onto standby and on occasions the... [Read more]
Mend Heating, Home Heating Systems

No domestic hot water (Brittany 80) ?

The boiler is the Brittany 80 and the problem is that there is no domestic hot water…however the central hea... [Read more]
Mend Heating, Home Heating Systems

worcester heatslave 15/19 oil boiler,no ignition?

I have a worcester heatslave 15/19 oil boiler, i am getting hot water but no central heating, radiators are co... [Read more]
Mend Heating, Home Heating Systems

How can i fix my Worcester 24i Junior combi boiler?

My boiler will not always ignite for hot water but would for central heating and the red fault light would fla... [Read more]
Mend Heating, Home Heating Systems

ravenheat csi 85t central heating keeps going off on?

ravenheat csi 85t hot water works ok but when central heating is turned on the boiler lights up for three seco... [Read more]
Mend Heating, Convector Heaters

Fault on Pump/Low Pressure - Potterton Performa 30 HE?

Our heating system (Potteron Performa 30 HE) is giving a fault saying 'fault on pump low pressure', which basi... [Read more]
Mend Heating, Home Heating Systems

ariston combi boiler?

My Ariston microgenus 27 mffi.is losing pressure through the safety valve(3 bar). when the central heating is ... [Read more]
Mend Heating, Home Heating Systems

LANDIS & GYR PROGRAMMER - HW OK BUT NOT WITHOUT CH?

I have recently moved into new flat with Baxi Solo 3 50 PF boiler. There is a Landis & Gyr programmer (don't ... [Read more]
Mend Heating, Home Heating Systems

baxi 105he hw works fine but no ch?

baxi 105he the hot water works but the central heating doesnt

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