How to mend Heating Valve Wiring

how can i fix my baxi combi 80 eco?

My Boiler keeps firing on hot water when no hot water is been drawen. The hot water DHW Pressure Differential... [Read more]

B&Q Silverstar Boiler, main fuse blowing, losing pressure slowly?

Hi - All help is greatly appreciated as I am lost at the minute with this problem. My Boiler stopped workin... [Read more]

1

how can I tell if the gas valve is being switched?

We have an old Potterton Netaheat 5/10 boiler, everything seems to be working, except gas to the main burner! ... [Read more]

6

Why can we only get heating when hot water on also now(Dual programer)?

We recently needed to replace head valve due to pump over run problem.(Boiler is Potterton Profile) On putting... [Read more]

3

No heating,but have hot water?

I have an Ideal Boiler elan 2 50F, the boiler comes on when hot water is required, however heating does not. R... [Read more]

1

heating?

wiring diagram mid valve

3

Thorn apollo 15/30B boiler?

I have a problem that the boiler runs ok with the burner cover off, but with it on the gas valve turns off aft... [Read more]

Heating controls?

I have a Climapro programmable room stat connected to a Smart wiring centre all the controls work except the h... [Read more]

replacing a Harp HGC1 controller?

the heating system consist of a Baxi WM51 3RS boiler controlled by this Harp HGC1. I am trying to replace th... [Read more]

2

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]

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

Baxi Bahama 100 ?? sensor problem?

Unfortunate owner of Bahama 100 which has had several problems over last few months. Replaced:- Diverter Valve... [Read more]

2

I can not get C/Heating on VCW GB 242 EH Vaillant Combi Boiler ?

I have just renewed the Divertor valve on my combi I have hot water while switch is in Summer mode, but when I... [Read more]

1

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]

3

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]

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]

1

potterton 50el - heating but no hot water (cont.) - bump?

Hi Hi-spec, Hi Ray, Thanks again for your advice.... but i still have this problem. I have been away for... [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]