Mend > Home Heating Systems

Central heating works but no hot water?

Ideal boiler with a cylinder have central heating working but no hot water...i have located the silver box and... [Read more]

Diverter valve motor dripping, ?

Heatline C24 combi, complete new system in 2009 and serviced annually never had any probs, but notice dripping... [Read more]

how do i reset siemens RDJ10RF/RCR10/433-GB transmitter/receiver?

after a power cut I cannot get the heating controls to work properly. any help would be appreciated.

worcester 24i combi?

My Worcester junior 24i keeps showing red light even though the pump and fan Are running and its pressurized w... [Read more]

my baxi duo?

hi my heating wont work but my hot water does, my remote box will not pair up with box next to boiler.is there... [Read more]

vokera syntesy hot water on boiler sometimes goes too 03 code?

boiler goes too code 03 just on hot water

baxi bermuda boiler, over 20 + years old?

When my CH switches on, on the timer my hot water turns on as well even though it is switched off, why does it... [Read more]

no hot water?

servowarm elite 50 boiler heating radiators ok but not hot water if I turn on water only the boiler makes a he... [Read more]

Boiler fires up for hot water but not heating why?

Boiler fires up for hot water but not heating even though the thermostat is turned up high

My vaillent Eco tech plus boiler f74?

My boiler has a fault reading f74? Any idea of what this could be as the hearing and hot water is not running

Nişantaşı Ariston Kombi Servisi 0543 798 40 46?

Nişantaşı Ariston kombi servisi müşteri memnuniyetini esas alan ve sürekli yenilikçi ad... [Read more]

pump diagram?

Dear friends, thanks a lot for your tips that solve my problem of jamming but how can I dismantle the pump its... [Read more]

boiler keeps showing lost radio link cdi 30 model?

i have reset the radio link but it still keeps losing the signal, I have changed batteries but it still keeps ... [Read more]

low system pressure on worcester 35cdi ?

my 35cdi worcester borsch boiler keeps getting low pressure it seems that the water is draining out condence p... [Read more]

propane logset keeps blowing thermocouples what is going on with it?

I have a propane log set that keeps blowing thermocouples the last one only lasted a couple weeks could there ... [Read more]

what is the a62 fault code?

what is the a62 fault code on a ferroli optimax he31c boiler please?

Isar HE 35 heats central instead of warm water?

Hi there. There is a tricky thing in my boiler. I was observing that my heaters are hot and the temperature is... [Read more]

f4 problem with a vitodens 100 boiler?

i have a vitodens 100 boiler and it has come up with a problem f4 I have hot water but the radiators are not w... [Read more]

Fitted new external timeswitch to potterton promax 33he and now heating won?

Fitted new external timeswitch to potterton promax 33he and now heating won't fire up. I have wired in a horst... [Read more]

stelrad rs450?

how do you change a broken bolier thermostat