How to mend ... Central Heating Valve

High pressure on my Optima Ferolli 901 central heating?

Hi, I have a Ferroli optima 901 . I had problms with the DHW and foolishly adjusted this on the mod gas valve... [Read more]

My Potterton Puma 80 has pressure build up problem!?

When the boiler is providing hot water only everything is fine, operating without any problem. But when the c... [Read more]

comination boiler ferroli modena 102?

turn on central heating and pressure gauge will go to 4 bar and lift safety valve

baxi 105e not changing over to central heating?

boiler appears to be stuck on hot water even though central heating his selected and time clock and thermostat... [Read more]

hoe to wire in a Randall hs a3 motorised valve?

can any one supply me with a wiring diagram for the above valve please as i can only have either hot water or ... [Read more]

How can i put pressure in expansion vessel on vokera 20/80 rs flomatic?

I have a problem with pressure on my pressure gauge when my central heating is on the pressure goes to just co... [Read more]

tepid water from worcester bosch 24cdi?

i am only getting tepid hot water from my combi boiler. central heating working fine. i have change the heat e... [Read more]

worcester 9.24 no hot water?

please help, i'm pulling my hair out. it first began with the boiler only giving hot water when the central he... [Read more]

How can I replace Halstead fine gold combi boiler's diverter valve ?

There is no hot from the tap or shower, the central heating seems to work fine and it sounds like the diverter... [Read more]

Is it a header tank or an expansion tank?

I have a Gledhill Boilermate 11 and on top of this hot water cylinder is a smaller tank with a cold water feed... [Read more]

how to replace pressure relief valve worcester 24i combi boiler?

When turning on central heating the system pressure increases to maximum. I think the pressure relief valve is... [Read more]

diverter valve?

how difficult is it to change one of these as i have central heating but no hot water in the tap

Gem boiler -Central heating is working but no hot water makes groaning nois?

Central heating working fine but when hot water taps turned on you hear a loud groaning noise and only hotwate... [Read more]

Vokera Linea 24 combi boiler pressure dropping?

the boiler is eight years old serviced yearly by the installer had this problem with the pressure dropping for... [Read more]

gas central heating system?

the temperature of the hot water is all of a sudden too high and the water pipes either side of the drayton 67... [Read more]

how can i fix my seme 80 boiler?

my boiler has been switched off in an empty flat for 3 months when i ask for hot water i get warmish hot water... [Read more]

Ravenheat - only get hot water when heating is on?

A friend has a Ravenheat combi boiler. When he turns on the hot water the boiler fires up but he gets no hot ... [Read more]

Ferroli f24b boiler problems?

Hi we have a boiler of the above make. We have no central heating coming on at all. I went to turn it on as ... [Read more]

Curing a seeping Sunvic Thermostatic Radiator Valve?

I have recently discovered that one of my TRV's appears to be seeping from the centre spindle when the central... [Read more]

Why is my central heating boiler not igniting?

I recently had a new kitchen fitted with new gas appliances where before it was electric. The gas engineer the... [Read more]