How to mend ... Central Valve Water

luke warm water rsf 820-20?

My raven rsf 820-20 boilers hot water is continously luke warm, I recently had a new diverter valve fitted whi... [Read more]

saunier duval thelia 23?

new house - dead boiler. I have replaced the diverter valve & piece which it mounts to, now the micro switches... [Read more]

my baxi 105e instant combi expansion vessel water in it?

i have been having probs with the combi losing pressure and then going over 3bar when the central heating is o... [Read more]

Can I change a radiator valve without draining the system?

Hi, I have an old gravity hot water pumped heating system, the boiler is a reliable, but expensive, Vulcan Con... [Read more]

Poor hot water temperature with heating on?

I have a Vaillant Turbomax combination heating boiler. When the central heating is operating & a hot tap is... [Read more]

Overheat cut out worcester 9.24 electronic boiler?

Had no central heating but hot water ok, boiler shuts down after 2 mins, found (eventualy) that the thermocoup... [Read more]

domestic water safety valve leaking on Glow-worm 30 ci plus?

Water leaks out of the 10 bar domestic safety valve on my boiler when it has been on for a while, its running ... [Read more]

Central heatin only works with hot water on?

I have a potterton boiler that only fires up when hot water is switchted on.Once water gets to required temper... [Read more]

Ferroli optima 701 (combi boiler)?

The water pressure in the boiler creeps up to 3 bar, I have previously reduced the pressure in the system by d... [Read more]

Vaillant turbomax combi hot water problem?

just had a new diverter valve fitted as we were getting no hot water. (central heating fine) problem still ... [Read more]

Central Heating Problem - Potterton Flamingo 50?

I have a Potterton Flamingo 50 boiler, which caters for the central heating aswell. My radiators upstairs all... [Read more]

how can i fix my worcester28cdi combi central heating?

pressure is set at 1 bar when cold filling loop valve is closed and filling key is removed but when central he... [Read more]

Why do the diaphragms in my Vokera XL80sp keep perishing?

Ive had the boiler for about ten years now and its been reliable apart from the main (large) diaphragm in the ... [Read more]

Vokera Linear 24 timer fault?

The boiler works fine in both hot water and central heating modes until the timer is set. When the time is rea... [Read more]

Glowworm Ultimate 40FF - main burner keeps going out and relighting?

The pilot lights, its continues to spark then the main burner lights then the main burner goes out after a few... [Read more]

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]

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]

Sime Super 90 - heating comes on when hot water truned on?

My Sime super 90 has these problems: * always heats the central heating when the hot tap is turned on *... [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]

valliant boiler?

hi and thanks for taking the time to answer my question.... we cannot get any hot water for bath or shower o... [Read more]