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One radiator in a bedroom is always cold?

One radiator in a bedroom is always cold. It used to work fine. I have tested the thermostatic value and the... [Read more]
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Worcester Greenstar CDi boiler won't fire up the central-h?

flashing green light near the CH select button new batteries in transmitter
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We have 77 questions about mending 'programmer boiler hot water' in category Heating, Home Heating Systems which have been answered

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Mend boiler heating thermostat
1

combi oil Worcester greenstar heatslave 12/18 switches off?

I have a internal combi oil Worcester greenstar heatslave 12/18 Its has a built programmer and Hot water t... [Read more]
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How can I get hot water from boiler. Heating is OK?

I have a Marathon 500B boiler.There is no hot water going to the hot water cylinder regardless of whether the ... [Read more]
Mend boiler central heating hot water
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potterton ep2001?

'central heating' kicks in on all settings but the 'hot water' only settings fail to fire up boiler. Is it lik... [Read more]
Mend heating valve programmer
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No HW but HW+CH works fine?

Hi Just bought a new house but got problems with the hot water. When I switch both HW+CH everything's ok. I... [Read more]
Mend boiler central heating controller
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potterton ep2002 programmer?

I have a potterton ep2002 programmer. The central heating controller comes on but does nor fire the boiler. Ca... [Read more]
Mend boiler central heating fault
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Programmer fault or boiler?

Hi, We have just moved in a house which has been vacant for about two years. There is an Ideal Classic FF35... [Read more]
Mend boiler central heating programmer
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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]
Mend Siemens Boiler Heating
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siemens RWB9 Programmer Fault?

i have a fully pumped system with zone valves , one for heating and one for hot water, my problem is that when... [Read more]
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Replacing LP112 Programmer?

I'd like to replace my LP112 Programmer & TS 142 mechanical roomstat with something more accurate and with opt... [Read more]
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24i junior problem?

boiler hung and fitted all connections good filled and vented system and boiler .no external controls. therefo... [Read more]
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drayton wireless room stat?

I have a drayton wireless room stat controlling the heating. the boiler is an ideal icos. The trouble i hav... [Read more]
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boiler will not turn off?

glowworm hxi boiler is constantly pumping hot water to central heating circuit even when the external programm... [Read more]
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Problem with my Vaillant eco tech 428?

I have got a Vaillant eco tech 428 heat only boiler which has been installed to a pressurised heating system. ... [Read more]
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How do you fix intermittent heating problem?

I have a new Salus programmable thermostat (RT500RF) and a new Bosch Worcester Greenstar 24Ri boiler. Sometim... [Read more]
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Boiler firing up when programmer says off, and themo down?

Hey, My programmer (potterton) has been set for my hot water and heating to come on for a few hours each m... [Read more]
Mend central heating hot water boiler
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heating system?

I had a glow worm 24hxi boiler fitted to my existing y plan system using the original controls(programmer,room... [Read more]
Mend central heating burner thermostat
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Problem with Ideal Isar HE24?

Hi All, I wonder if anyone can help me. The problem that I am having is that the central heating does not see... [Read more]
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How to mend ...

Mend Alpha Mend Alpha Heating Mend Apollo Mend Ariston Mend Baxi Mend Bermuda Mend Berry Mend BIASI Mend Bosch Mend Boss Mend Boss Therm Mend Boulter Mend British Gas Mend Britony Mend Brittany Mend Brittony Mend Camray Mend Cannon Mend Canon Mend Celsia Mend Chaffoteaux Mend Chaffoteaux & Maury Mend Concord Mend Crane Mend Danfoss Mend Digistat Mend Dimplex Mend Drayton Mend Ecomax Mend Ferroli Mend Fertech Mend Firebird Mend Flexicom Mend Glow Worm Mend Glow-worm Mend Glowworm Mend Grant Mend Grundfos Mend Halstead Mend Harcal Mend Heatline Mend Heatslave Mend Honeywell Mend Horstmann Mend Hydroline Mend Icon Mend Icos Mend Ideal Mend Isar Mend Jaguar Mend Johnson & Starley Mend Keston Mend Kingfisher Mend Kohlangaz Mend Landis & Gyr Mend Lifestyle Mend Linea Mend Main Mend Medway Mend Modena Mend Morco Mend Myson Mend Netaheat Mend Ocean Mend Optima Mend Potterton Mend Powermax Mend Prima Mend Promax Mend Protherm Mend Pulsacoil Mend Puma Mend Randall Mend Ravenheat Mend Remeha Mend Riello Mend Sabre Mend Saunier Duval Mend Servowarm Mend Siemens Mend Sime Mend Stelrad Mend Swift Flow Mend Switchmaster Mend Thorn Mend Thorn EMI Mend Tiger Mend Trianco Mend Vaillant Mend Valiant Mend Viessmann Mend Vizo Mend Vokera Mend Vulcan Mend Worcester Mend Worcester Bosch

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