How to mend ... Problem Hot Water System

combi oil Worcester greenstar heatslave 12/18 switches off?

I have a internal combi oil Worcester greenstar heatslave 12/18 Its has a built programmer and Hot water t... [Read more]

Expansion vessel full of hot water?

I have a Heatslave 20/25 and it stopped pumping water around the system. I thought it was the pump, but the ex... [Read more]

Boiler problem?

The pressure needle on My vokera boiler bounces when I turn on my hot water tap..I fill the cntral heating sys... [Read more]

Rattling/knocking from Baxi Combi Instant 80 HE ?

My 93 year old mother-in-law's boiler gets a very loud knocking/rattling from the central heating system when ... [Read more]

ideal c30 independant boiler?

when hot water demanded and radiators off rads start getting hot. checked divertor valve actuator ok and pin m... [Read more]

How to remove secondary heat exchanger on heatline vizo 24?

hi..this was done by gas engineer 4 years ago and it worked fine until i decided to clean the system few days ... [Read more]

how can i fix centrol heating?

I have a c/h problem . only half my rads work . hot water going out of boiler warm water coming back in .I hav... [Read more]

Luke warm radiators?

Really need help with a central heating problem (old, but sturdy back boiler open vented system in a flat - o... [Read more]

ravenheat boiler problem?

I have a Ravenheat LS 100T combi boiler around 8 years old. Never had a problem with it but the system pressur... [Read more]

halstead he30 boiler?

just recently when the hot tap is turned on initially hot water comes out for approx30 seconds and then starts... [Read more]

Why does my Trianco Eurostar oil boiller not run the hot water system?

I have a 15 year old Trianco Eurostar oil burner with a built-in Horstmann timer and additional hot water tank... [Read more]

Ford KA Heater Problem, Very hot Heater resister unit?

Help. I have replaced the Heater control valve, it works now i think... I swich the car on, and it moves the ... [Read more]

Why does my boiler keep switching on and off?

The boiler is a Main HE condensing. The problem only occurs when Hot Water Only is selected. If run from stone... [Read more]

Problem with Worcester Heatslave 20/25 Programmer?

I have had three programmers fitted to my system for one reason or another. This one seems to be causing the ... [Read more]

No heating or hot water on system boiler?

I have a system boiler and at present I am calling for heating and hot water and am getting nothing. the pilot... [Read more]

What is my problem?

When I turn on the hot water, the system tries to start but fails. I try again, fails. I switch off the system... [Read more]

how do I refill my glow worm boiler or bleed it?

re-filled rads after installing additional rad. Bled all through - OK. Turned on pump - clanking and knocking ... [Read more]

Motorised valve for boiler?

I have a problem with my boiler- i only get hot water when the CH is switched on - i think the problem is with... [Read more]

Problem with central heating , I have a potterton prima f system?

After the hot water heater has been on , when I switch on the heating it doesn't come back on , so no heating... [Read more]

Why has Heat Exchanger on IDEAL ISAR HE24 gone?

So... At the end of 2008 (early December, so about 4.5 years ago). We had central heating installed for the... [Read more]