How to mend Heating Programmer Valve

3

heating still wont work ?

i have replaced the programmer the 3 port valve and the room stat and the heating still wont work the boiler a... [Read more]

1

Circulator pump. Can water pass through it when the pump is switched off?

Does a central heating water pump itself prevent water flowing through to the radiators by gravity? This may ... [Read more]

6

Potterton proforma 28i?

This boiler was in the property when we moved in 3 years ago. The only controls we have are a programmer in t... [Read more]

1

How can I fix my Potterton Puma 100?

I have a Potterton Puma 100 which keeps closing down. I seem to cure the problem for a while but then it shut... [Read more]

1

not going to mid position on valve?

when I replaced the actuator on the mid position valve and controler I found that I could get heating and i co... [Read more]

6

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]

1

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]

1

no hot water or central heating?

I do not have any hot water or central heating, the boiler does not fire up at all yet the pilot light is lit,... [Read more]

2

Radiators heating up when only hot water required ?? programmer problem?

Hi My potterton control is programmed to come on twice a day for hot water only. However the radiators are g... [Read more]

4

how to fix my glow worm space saver 50?

boiler does not fire up when heating is selected on programmer? the problem is not the 3 port motorised valve... [Read more]

1

Control problem with central heating!?

I have quite an old central heating system with a hot water tank, with a Siemens RWB2E programmer. However lat... [Read more]

1

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]

1

Why is there hot water but no heating?

I have a glowworm micron 40ff boiler,when hot water is selected on programmer the boiler fires up,but before t... [Read more]

9

Boiler fires up when demand for hot water but doesn't when demand for C/H?

I have a Potterton Netaheat Profile 80e boiler, Honeywell V4073A mid-position valve, Honeywell ST699B programm... [Read more]

5

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]

1

Pipework Mix Up?

Hi there I recently relocated some pipework so that I could fit more ceiling joists to reinforce our loft conv... [Read more]

2

Possibly faulty mid position valve?

As the summer is here I decided to turn my central heating off but keep the programmer on for the hot water. ... [Read more]

1

Potterton 40e Netaheat 3A Spur Fuse Blowing?

We have a Potterton 40e Boiler and it has worked fine for 6 years. In the past few week it has resorted to bl... [Read more]

1

how to rewire from scratch my central heating system?

we have a baxi bermuda back boiler central heating system that is twenty years old now. we have replaced the p... [Read more]

2

I get hot water, but no central heating?

i get hot water, but no central heating,is it my drayton mid positon actuator valve, it is a Y plan system and... [Read more]