Mend > Home Heating Systems

Optimax HE 31C Combi boiler, Hot water but no Heating?

I have a Ferroli Optimax HE 31C combi boiler for a year now, I just noticed yesterday that when I turn the dia... [Read more]

I have a sabre combination boiler but no hot water!?

After I came back from holidays the red light was lit on my boiler, the user instructions manuel says to re-pr... [Read more]

where is the pressure valve undre the vaillant 824 boiler there is on tap ?

if the pessure goes down I have no way of knowing where to turn the pressure up as there is tap under thr boil... [Read more]

heating clock?

I have a black light flashing in top left hand corner like a battery light and the clock will not respond

how can you tell when the pcb board on a combi boiler is broke?

basically what the title asks ? thanks

No hot water?

halstead quatro boiler. The problem i have is no hot water. when i turn the hot water tap on the burner does ... [Read more]

how do i reduce pressure in my Glow-worm compact boiler? ?

i can get the heating on but no hot water

How can I relight my Halstead Trio Combi boiler?

I have had pressure fixed on my boiler but the pilot light is out. Can I re-light it myseld

pilot light light has gone out?

hi, have no heat or hotwater the pilot light has gone out, the light next to the symbol for pilot is not on. h... [Read more]

How do i increase the pressure for my baxi combi instant 105e?

my baxi combi instant 105e is currently on 0 Bar, how do i increase the pressure, i think i should turn the s... [Read more]

Glowworm Spacesaver KFB 50 fires up without water or heat called for?

Have had the programer replaced, motorised valves are working correctly (supposedly) Immersion tank thermostat... [Read more]

How to clean Venturi?

How would I go about cleaning the venturi on my Ferroli Optima 1000 combi boiler. Thanks for looking.

hot water ??

all system working ok. little or no hot water at times . very frustrating does it have anything to do with th... [Read more]

How to repair a leaky radiator?

I have a small double radiator in my bathroom approx size 43cm wide X 53cm high. It has developed a small lea... [Read more]

how to drain a radiator and remove from wall?

need to remove a radiator from wall as kids apulled it from fixings so and i can move brackets and rehang and ... [Read more]

how can i fix my boiler or findout whats wrong with it?

i have a chaffoteaux & maury boiler and when i turn my tap on for hot water or turn heating on its lights but ... [Read more]

Glow-worm pilot light fault?

Glow-worm economy plus 30b boiler pilot will not stay lit any suggestions

vaillant combo boiler?

cold water is hot and the hot is very not a new boiler could you please give me an anwer to what it is

How can I reduce the pressure in my Ariston boiler?

I know that to increase the pressure I must open left valve then right valve until pressure rises - BUT - my p... [Read more]

potterton 100e driving me mad!?

we have a potterton 100 e - now 8 years old we are totally doomed to have no hot water to wash or heating.we... [Read more]