Mend > Home Heating Systems

change battery in towerstat rsd?

how to change the AAA batteries in hte towerstat rsd thermostat control

Condensor boiler 532/i hot water working radiators not getting warm?

I have a condensor boiler 532/i i have just gone to put the heating on for the first this autumn and the radia... [Read more]

Boiler pressure will not raise when taking advised steps?

I have raised the pressure in my Worcester Greenstar 30si before. This time when I go to do it I cannot hear w... [Read more]

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why is my isar combi boiler is flashing l 9?

why is my isar combi boiler flasing l then 9 ,my heating is not working

no heating?

no heating pump runs what voltage and color wire to divert a motor? hot water working fine. heating fault inte... [Read more]

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pin sticking in thermostatic radiator valve?

Followed instuctions to remove and clean pin - pin now moves freely out of radiator. However still will not mo... [Read more]

how can I fix my ariston a/23 mffi boiler?

I have domestic hot water but my rads arent getting hot

Worcester heatslave 20/25 leak from valve?

Hello! A complete novice when it comes to boilers, so bare with me! I've got a Worcester heatslave 20/25 and t... [Read more]

boiler running but not heating rads?

my boiler was perfect when we turned it off for the summer now i have switched it on for winter and it is maki... [Read more]

saunier duval f30e?

when trying to bring the pressure up from the 5bar to 1 the water starts to come out the recuced pressure zone... [Read more]

help on glow worm cxi model ?

my glowworm cxi (i think 30) displayed the red light and a message F3. when i turned it off the screen went bl... [Read more]

fault F.64?

My bolier is showing fault F.64, any idea on how to fix this?

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Ideal Classic ff270 boiler keeps losing pressure?

The boiler is designed to operate at one bar pressure when cold. The sealed system has been charged (twice) b... [Read more]

what coals do i need?

what coals do i need for a Karisma fire serial no. 15974 input 5-57 kils

How do I get the "Fireless Flame" to come back on?

I bought a "Heat Surge" 3 years ago. It still blows hot air however, I replaced the chandelier bulbs for the ... [Read more]

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how do I fix my pottertone profile leak?

My boiler is leaking out of the auto vent,how do I fix it.

baisa boiler no gas ?

baisa combi boiler , when you demand heating or hot water the red 'no gas' light comes on. This is a lpg conv... [Read more]

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vailent eco pro combination boiler?

In have no power at all

Concord wrs?

The pilot light will not stay on, tried doing what it says On the instructions given on flap panel

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why have i got no water or heating?

My potterton boiler is not working