How to mend ... Water Control Valve

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]

Thorn Olympic 38/50b Boiler Fault?

I have a Thorn Olympic 38/50B boiler system that has been installed for over twenty years. GC No 4178920.Ser N... [Read more]

Jaguar Boiler - F0 flashing after I bled the radiator. Loss of pressure!?

Hello all. My wife is currently not speaking to me, so I hope you can help. I have read through the answer... [Read more]

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]

E02 error code ariston microgenus 28?

Boiler loses pressure frequently, especially when cold, E02 code keeps coming up. After repressurising the boi... [Read more]

Problem with Vaillant TurboMax VUW 242E, fan/boiler not running?

My boiler had divertor valve problem in past, plumber replaced it for a reconditioned one-it lasted about 2 mo... [Read more]

What's wrong with my Worcester 28CDi RSF Boiler?

My boiler is approx. 6 years old and covered by BG Homecare, BUT....... after fitting a thermistor sensor, a m... [Read more]

How can I get hot water from my Protherm 80E combined ch/hw boiler?

My PROTHERM 80E works fine on C.H but does not give hot water. [it used to but stopped]. CH Plumber turned pow... [Read more]

Why does my boiler not turn off?

Hi. I have a Potterton Ultra DV40 boiler and also a Megaflo unvented water heater. When the boiler is heating ... [Read more]

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]

Wny are the radiators always on?!?

Hi Whenever I switch the hot water on, even with the heating switched off, all the radiators come on too. I ... [Read more]

central heating valve?

can any one help ,updated heating controls for seperate control of heat/water there is a isolating valve on a ... [Read more]

Low Pressure Problems on Worcester 28i Combi Boiler?

I have recently moved into a new property but the Worcester 28i Combi boiler seems to have problems with press... [Read more]

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]

Issue with Worcester 280?

Worcester 280...when the hot water is on it gets very hot then goes cold for a minute or so then comes on, get... [Read more]

My CH boiler keeps blowing out when its windy outside!?

Hi, I hope someone can help me with this one. I have an old Baxi Wm 381 RS CH boiler in a house we just moved ... [Read more]

How can i change the valve in my Vokera Excell 80SP combi-boiler?

I have a Vokera Excell 80SP combi-boiler in my house. We have it serviced every 6months and about the time we ... [Read more]

no flow from combi boiler to radiators?

Baxi Genesis 80 - hot water ok but all radiators cold. When CH is switched on, the system fires up and the... [Read more]

Sime 80?

My Sime Format 80 was not giving any hot water but the heating was OK. I checked the diaphragm and it was dam... [Read more]

Potterton Gravity Fed but HW will not turn off?

I have a twin pump potterton boiler (it doesn't have a valve fitted to switch between HW/CH independently so I... [Read more]