Mend > Home Heating Systems

Valiant vuw 242/1e dhw fault #2?

I have similar boiler with similar fault. During summer when mains water is warmer, shower taps are mixed more... [Read more]

ravenheat csi 120 low nox?

i have a ravenheat csi120 low nox fault keeps coming up 02 and the gas ignition light yellow flashes the fault... [Read more]

Pilot light problems on a Baxi gas stove?

WE have a Baxi gas stove which we cannot relight the pilot light. The thermocoupler has been replaced but that... [Read more]

how to fill radiators after removing for decorating?

need to remove radiators for decorating- boiler is a potterton prima F. Has a tank upstairs in bedroom. ? how ... [Read more]

central heating systems?

I recently removed {A} RADIATOR IN THE BEDROOM TO DECORATE when I tried to turn the heating back on again it w... [Read more]

"whistling coming from system when hot taps turned on"?

I have a Sabre 24 combi boiler....about 4 years old....when I turn on hot taps I am getting a whistling noise ... [Read more]

Ravenheat combi boiler?

Why would the heating come on even when the thermostate is down to zero and the control panel is set for water... [Read more]

Pressure failing?

It has happened before but I do not remember if I have to open both the two vents under my Valliant boiler or ... [Read more]

Heating turned off but radiator on and no hot water?

Hi I have a Britony Combi boiler. I have only the hot water switched on yet the radiators are hot and I hav... [Read more]

combi boiler (help)?

my combi boiler keeps making a horrible noise and will only operate the centeral heating and will not operate ... [Read more]

How can I make my radiator to generate it?

My radiator does not bring up heat when I put it on recently. The boiler that is controlling both the radiat... [Read more]

tap hot water?

hi my boiler is turbo vuw242e my central heating is ok but no hot water in tapes i checked the pin which is pu... [Read more]

Worcester bosch highflow 400 combi boiler NOT working?

There is no water or heating in my flat.....the black arrow on the pressure gauge is at around 1.5....( it was... [Read more]

how to fix a biasi combi boiler?

Hi there, I have a Biasi M96.32SM/C2 combi boiler and have recently been experiencing problems. The lock-ou... [Read more]

saunier duval combi boiler?

Fault 05 on display

My ferroli boiler is not firing up & we cannot get any hot water. ?

It has been reset but still no joy, the diagram seems to show that it is calling for water but there are no ta... [Read more]

vokera compact 28 combi boiler?

when i turn my heating on and the temp up to below auto the pressure goes up to 3 bar and vents it then keeps ... [Read more]

my boiler keeps switches to f9?

every time we try turn on the hot water the boiler switches to f9?what is the problem?

horstmann channel plus h 37 xl?

Further to a similar question on this unit my water heater seems to remain permanently on even though the time... [Read more]

battery replacement?

how do i replace the batteries in a drayton digistat rfi thermostat