How to mend ... Water Control Valve

heating not coming on feroli f24?

the boiler works fine on the hot water side but when i turn the temp control up for the heating to come on not... [Read more]

temperature control valve is leaking how do i replace it?

my central heating is leaking and i want to replace the radiator valves how do i drain the system it is old an... [Read more]

No display on Ferroli Optimax HE 31 C control panel why?

Please help. The control panel has some lines on it (power is on) but no symbols at all - no fault codes, no p... [Read more]

No water in hot water tank?

Hi there, I have a problem... lol I'm afraid I'm going to err on the side of giving too much information... [Read more]

Boiler problem further data on earlier question ?

Thank you for your helpful responses. I have made further observations and these are as follows: I have two... [Read more]

Why is my heating not working ?

Vaillant 628 thermocompact boiler ( sealed pressurised system) Drayton 5/2 timer for heating and water + Pott... [Read more]

My central heating does not work, it firesup then cuts out after 20 seconds?

I have a condensing fanned boiler the CSI 85T. The problem I have is with the central heating side in that whe... [Read more]

Glow Worm Ultimate control unit fails to switch off pump?

I have a Glow Worm Ultimate Boiler which has a control unit with the following code ULT 100F(its about 10 year... [Read more]

how do i fix my pulsacoil 2000?

the boiler is only delivering luke warm water to the taps how can i fix this problem ? have replaced both emm... [Read more]

I have pressure loss on my Worcester 28cdi combi boiler why?

My worcester 28cdi combi boiler will lose its pressure when it goes cold. I set the pressure to1bar.Then I tur... [Read more]

How can I fix my Spacesaver 38 boiler?

Hi,Does anybody know where to get info about my Glow worm Spacesaver 38--need to locate the CH pump and contro... [Read more]

Heating stops working on Linea Max?

Heating just refuses to work unless the motorized valve head is removed. So far have changed: both thermistors... [Read more]

Hot water problem Worcester Heatslave 20/25?

The boiler fires up to provide hot water if a hot tap is used- even if the boiler control button for hot water... [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]

Central Heating Dilemma?

ok I have a Potterton Mini Minder E (MM)to control when I want the water (DHW) and Central Heating (CH) on and... [Read more]

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]

Failing hot water on a Saunier Duval F30E Themaclassic combi?

I have a 4 yr old Saunier F30E standard combi running on natural gas and the hot water is failing dismally. Ho... [Read more]

FER (Ferroli) combi boiler.sre no 0126L8129?

C/H working ok. Hot water temperature is not regulating and gets dangerously hot. Termister is clean and che... [Read more]

Why is the water not heating up?

I have swiched the CH off now the weatehr is hot but now the hot water doesn't heat up - the heating control p... [Read more]

Glowworm 30ci leaking?

A couple of days ago, I noticed that the heating was off. I used the internal control to fire it up, but there... [Read more]