Mend > Home Heating Systems

re setting a pulsa coil a class boiler?

I have just had fitted a new immersion heater in my pulsa coil boiler and want to know if I need to press any ... [Read more]

how do I go about fixing f1 fault on my Glow worm Ultracom 18hxi ?

Please help as my boiler keeps coming up with fault code F1 how do I fix it

rad valve change on unveted system?

I want to put a heated towel rail where there is a existing radiator, but am unsure where I turn water off to ... [Read more]

what is the part number for a central heating flow outlet valve on a ferrol?

What is the part number for a central heating flow outlet valve for a ferroli optima901 boiler

Vaillant boiler won't stay 'on'?

My Vaillant CH boiler 242 EB Combi - LPG fuel from 2x87kg cylinders Refuses to stay on; when the heating is o... [Read more]

my boiler wont stay on?

Hi I have a Valliant eco 615 boiler Its gone off and its appears it wont stay light the flame Ive tried to... [Read more]

How can I get my water and heating to work?

I have a ideal logic combi 24 boiler with a fault showing code f1, I know this is the pressure, I've turned va... [Read more]

glow worm 30cxi fault without fault code displayed?

my glow worm 30cxi boiler, switches its self on through the night for about 10-15 mins.about once an hour ... [Read more]

no hot water ?

i get no hot water or if i do get hot water it for a few seconds then goes freezing cold ,if the cold tap is p... [Read more]

Saunier Duval Combi boiler?

What is the heat exchanger on a Thema F23E combi boiler made of?

Biasi boiler locking out?

Hi I have a biasi advance he 32. The 3 lights Are showing from left to right solid green,flashing red,gree... [Read more]

what are the black plastic things for on the valves?

what are the black plastic things on the valves for i cant turn the isolating valve down to regulate the dhw f... [Read more]

how can i fix my halstead ace high?

i need a gc 4733316 pcb

Siemens RCR10/433 receivers?

I am in a recently acquired house and am new to all these wireless systems. I have looked at all the previous ... [Read more]

Halstead ace high water problem?

When we run the bath also the shower at times the boiler goes into lock down mode if that's the right thing to... [Read more]

how can i fix my morco feb24ed boilerthe?

The fan on my boiler runs all the time and boiler wont ignite.fault code F2 shows.i have changed air pressure ... [Read more]

Boiler continues to run?

The boiler continues to run having reached the allotted temperature.

halstead ace he30 combi boiler?

boiler is flashing the number 1. tried resetting. also increased water pressure valve. when put on again ... [Read more]

Boiler cutting out after few seconds?

I have Puma 80e combi ,was working fine but a couple of rads were sludged up and not heating evenly drained th... [Read more]

heatslave 9.24 no pressure / hot water?

I bleeded my rads whilst the heating was on which has caused issues with the boiler. it's now not working with... [Read more]