How to mend ... Port Valve Water

Potterton Promax 24HE - No Central Heating?

Since the weather turned colder a couple of weeks ago we have been unable to have heating without the hot wate... [Read more]

Programmer trips (mcb) fuse?

Glowworm balanced flue boiler - priority hot water with two-port valve, grundfos pump and manual clock type (B... [Read more]

Honeywell 3 port diverter valve?

I have a diverter valve which doesnt switch to hot water when i request it to do so from the programmer. Hot w... [Read more]

THE WORKINGS OF A PUMPED C/H SYSTEM AND AGRAVITY FED H/W?

I have an Ideal WLX RS50 Boiler.I recently fitted a new 2 port zone valve and pump in the c/h .All operating o... [Read more]

pump runs but nothing circulating in system?

Boiler fires up fo 30 or so seconds, the pump runs and the system seems to be working then the boiler stops an... [Read more]

My Glow worm Space Saver 50 boiler appears to have overheated?

The boiler was having trouble firing up on Saturday morning, this appears to have been solved by securing the ... [Read more]

could it be my room thermostat?

does the room thermostat signal the 3 port valve to open to the central heating,and if it does not open is it ... [Read more]

problem with mid position valve? ?

I hope someone can clarify if I have diagnosed the fault that I think Ive got. A few days ago the central h... [Read more]

Glowworm Spacesaver KFB 60 cuts off after hot water?

Bought house 1 yr ago, had a problem with the boiler since day 1. The problem is that the boiler cuts out afte... [Read more]

No heating - 3 port motorised mid-position valve?

I have a Tower Mid-Position Valve and although I can get hot water my heating will not come on when we switch ... [Read more]

Heating boiler through the programmer is on hot water ok no heating to rad?

Boiler operates in the hotwater mode, put the switch over to the heating,no heating,room stat on max, 3 port v... [Read more]

how can i fix my 3 port mid position valve?

i fitted a new 3 port mid position valve ,but when the hot water comes on the heating comes can anyone give me... [Read more]

how do i fix a three port valve stuck in mid position?

my heating comes on when my the hot water comes on, is it an easy to job to fix the valve that is stuck in mid... [Read more]

Reillo RDB1 boiler (kerosene burning)?

Hi. My boiler is on the blink. Recent History is that 1) it ran out of oil and got airlocked. 2) fixed airlo... [Read more]

how to fix banging on turbo max plus vaillant boilerboiler?

boiler only bangs when heating is on and you turn the tap on for hot water it has already had the port valve r... [Read more]

Can I run my boiler without the CH pump for Hot Water only operation?

My heating system comprises new(ish) boiler (Potterton Suprima 100), hot water cylinder (with cylinder jacket)... [Read more]

hi how do i turn the heating off but leave water on?

Got regular boiler ,stat is down, programmer hot water switch is on, heat switch is off but heating still come... [Read more]

Heating works, but Hot Water doesn't... Glowworm Micron 40FF?

I've having a strange problem at home. If, via the Programmer, I turn the heating on the radiators come on.... [Read more]

how to replace a 2 port valve?

my hot water is not getting hot because the valve that lets the hot water into the heat exchanger is not openi... [Read more]

can i fit a 2 port valve to a gravity feed heating system?

Hot water is gravity fed through the boiler and through the coil in the hot water tank to heat the water. The ... [Read more]