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We have 166 questions about mending 'controls boiler help'

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Mend Heating, Home Heating Systems

How can I fix my boiler ?

I've got a Ferrolli boiler and it keeps firing up when the boiler controls are turned off. Any ideas what cou... [Read more]
Mend Heating, Home Heating Systems

Problem with Potterton Promax HE24 Boiler?

The hot water system works ok. I have fitted a thermometer to the outlet from the boiler and this goes up to o... [Read more]
Mend Heating, Home Heating Systems

24i junior problem?

boiler hung and fitted all connections good filled and vented system and boiler .no external controls. therefo... [Read more]
Mend Heating, Home Heating Systems

why is my halstead best 40 boiler on all the time?

i have a halstead best 40 gas boiler that fires up & stays on even though all external time controls & thermos... [Read more]
Mend Heating, Home Heating Systems

Baxi solo wm rs Boiler banging and noisy?

Hi, a few weeks ago i noticed the boiler firing up in the middle of the night and the radiators becoming hot w... [Read more]
Mend Heating, Home Heating Systems

Vaillant Ecomax boiler - Fault Code F22 - Please help?

Major probs with my ecomax boiler. Over 2 weeks ago, when in shower noticed problem whereby hot water would ru... [Read more]
Mend Heating, Home Heating Systems

boiler locks out?

i have a halstead finest gold boiler, clock doesnt work so i turn boiler off ,on by the fused spur. boiler goe... [Read more]
Mend Heating, Home Heating Systems

baxi bermuda inset2 boiler 50/4?

boiler had been shut down for about 3 weeks i put the controls to constant the boiler green light came on the ... [Read more]
Mend Heating, Home Heating Systems

no hot water from oil boiler?

Worcester combi heatslave 15-19 oil boiler no hot water only when i do some fiddling about with the controls! ... [Read more]
Mend Heating, Home Heating Systems

Worcester Greenstar combi Heating works, but doesn't (??!)?

I have a Worcester Bosch Greenstar 30Si combi boiler with a Drayton SCR and RF3 digistat controls. The heating... [Read more]
Mend Heating, Home Heating Systems

Ideal W Standard Boiler?

The pilot light is on, but boiler is not firing up. If I press the knob (for starting it) and keep it held in... [Read more]
Mend Heating, Home Heating Systems

How can I reset a Drayton SCR wireless thermostat/?

My gas boiler seems ok, but will not give central heating. I suspect the wireless thermostat controls. Have ch... [Read more]
Mend Heating, Home Heating Systems

Worcester 28i combi boiler?

Trying to locate an instruction manual that shows how to top the pressure of a 28i combi boiler. I've managed... [Read more]
Mend Heating, Home Heating Systems

Why re the upstairs radiators warm when only the hot water, NOT the heating?

Our boiler provides either hot water, or central heating, or both. Since a new radiator was fitted upstairs, w... [Read more]
Mend Heating, Home Heating Systems

Potterton Netaheat Boiler stopped working?

Hello, I have a Potterton Netaheat Boiler with Potterton EP2002 Controls and Honeywell Thermostat. Last night... [Read more]
Mend Heating, Home Heating Systems

i have 240v to boiler but no display/ glow worm 30cxi?

no lights on the boiler i think its one of the circut boards the main one / controls interface board could you... [Read more]
Mend Heating, Home Heating Systems

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 Heating, Home Heating Systems

lock out problem with heatslave oil boiler?

I have a worcester greenstar heatslave 18/25 oil boiler. Its aprox 4 years old and is driving me and my engine... [Read more]
Mend Heating, Home Heating Systems

how to fix f7 onheatline condesing boiler ?

i have a customer with a f7 code showing the fan runs at high speed no matter if the boiler controls are off c... [Read more]
Mend Heating, Home Heating Systems

F24 code on Honeywell Smartfit?

I have a code saying F24 on my Honeywell Smarfit, which is on the wall and controls the setting, timings for t... [Read more]
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