How to mend ... Cylinder Valve Pump

Heating?

I have an old Ideal W boiler (conventional) which heats the water cylinder and will go to central heating only... [Read more]

Y Plan - Mid Position Valve 'fault'?

Hi, I have BGMVSP-23 'mid position' valve. (I believe a Y plan setup) Basically the pump only runs when ... [Read more]

Problem with my Vaillant eco tech 428?

I have got a Vaillant eco tech 428 heat only boiler which has been installed to a pressurised heating system. ... [Read more]

replacement for Danfoss thermostatic cylinder valve with pump switch?

I have been advised to replace the old Danfoss thermostatic cylinder valve but my old one has an electrical sw... [Read more]

how do I fix my Danfoss thermostatic cylinder valve?

The Danfoss thermostatic cylinder valve has stopped letting water into the hot water tank. I have removed t... [Read more]

Pump runs when boiler satisfied?

I recently moved my central heating pump so as to give me heating for my towel rail off the primary circuit. A... [Read more]

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]

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]

how do i fix my potterton netaheat 10-16 Mk 11?

I have just spent 400.00 pounds getting a new hot water cylinder fitted and a new motorised valve aand a consi... [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]

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]

Glow Worm Spacesaver bangs & crashes when starting?

I have a wall hung 65000 BTU balanced flue boiler in our kitchen, it came with the house 25 years ago (when ne... [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]

IDEAL CLASSIC BOILER ONLY STAYS ON FOR 2 MINUTES?

My Ideal Classic FF280 will only stay on for 2 minutes then cuts out. I have recently been having problems ... [Read more]

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]

baxi 100 he system fault?

boiler reaches temperature but but pump stops after aprox 2 minutes will not come back on as no water circulat... [Read more]

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]

How can I fix my wiring in my tank cupboard ?

I need a wiring diagram on the correct way to wire up a motorised valve, a pump and a cylinder stat as the plu... [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]

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]