How to mend Heating Thermostat Valve

1

I have hot water overflowing into the loft expansion tank?

I had a new cylinder fitted in December 2009 and the plumber also upgraded the 3way valve to an electric one. ... [Read more]

1

hot water but no heating?

hello. i have a worcester danesmoor oil boiler, its a sealed system, honeywell st699b programer honeywell V... [Read more]

1

low water pressure F28 lockout, Vaillant Turbomax plus 828E ?

Hi guys, Hope you can help. I've viewed all the relevant and some of the irrelevant posts on similar subjects ... [Read more]

ford fiesta 1.7 2000 heater matrix removal?

I have a ford fiesta flight on a y reg. The heater matrix has failed and > needs replacing, is it necessary f... [Read more]

Halstead Ace High, high pressure rise to 2.5bar when heating is on?

Please help, all rads bled okay, hot water demand fine. But pressure on gauge shows a rise from 0.5 to 2.5bar... [Read more]

1

Boiler cutting ouit?

We have recently had a new central heating system fitted, and are having problems, what we have is the boiler ... [Read more]

2

cool radiator?

Hi,I have a gas fire, and a radiator under my front window. The radiator operates hot and cold,which makes t... [Read more]

1

Potterton Promax 15HE Boiler -relay clicking problem?

Hi, Need some help please. A 6yr old Potterton Promax 15HE on an unvented boiler installation has suddenly st... [Read more]

Ferroli Falcon pressure probs?

Decorating front room, so turned rad in the room down to stop paper drying too fast. This resulted in a leak f... [Read more]

johnson & starley model J25 - 32 Mk3 modair flow water heater thermostat?

johnson & starley model J25 - 32 Mk3 modair flow water heater? Hi I have the above model warm air heating sys... [Read more]

johnson & starley model J25 - 32 Mk3 modair flow water heater?

Hi I have the above model warm air heating system, however I have been informed that the thermostat(mercury) a... [Read more]

1

No heating but got hot water?

I have hot water but no heating. Thermostat is on, timer is on but the boiler won't fire up for the heating. I... [Read more]

Glow Worm Ulimtate 50FF Fault?

Our boiler comes on with the timer and goes off with the timer all ok however it does not recognise what tempe... [Read more]

1

Hot Water but no CH Potterton Netaheat Profile 30e-80e?

In the last day or so we have noticed that we are getting hot water but no Central Heating (rads are cold etc.... [Read more]

2

No hot water from Netaheat Profile 50?

I have a Netaheat Profile 50 boiler, which was working fine until recently. It's had various new parts over th... [Read more]

1

ravenheat ls80t no central heating?

can you help,just recently my central heating has stopped working,i have tried all the usuall thermostat,press... [Read more]

3

Vokera 80 SP?

Hi, when my heating is on and the thermostat is calling for heat the boiler comes on but every say 15-30 secon... [Read more]

2

no hot water after replacing 3 way valve?

We have just replaced the 3 way valve on our central heating system, but have no hot water. When timer comes ... [Read more]

3

No water in hot water tank?

Hi there, I have a problem... lol I'm afraid I'm going to err on the side of giving too much information... [Read more]

5

Boiler Problem?

I have a Glow-Worm Ultimate 120FF central heating boiler that stopped working last week. Under my Direct Line ... [Read more]