How to mend ... Water Into Ch After Down

Glow-Worm 30cxi combi boiler. No hot water.CH ok?

Turning on hot tap produces 30 secs.tepid water, then permanent cold. Central heating fine. Pressure 1.5 bars.

Ravenheat csi 85t?

No ch,no hot water,green power light on,red light stays on/lockout.no 240v at pump or fan.checked fuse,changed... [Read more]

Potterton puma 80, CH not working?

Hi all i hope i posted this in the right place, Basically moved into my new house last month and the house ... [Read more]

ravenheat csi85a ch problem ?

dhw working fine but boiler cycling when in ch mode.boiler will light and go out after about ten seconds and g... [Read more]

central eating gauge has gone to 3.5 need to re-pressurise?

gauge has gone to 3.5 when i turn hot tap on with the CH still on it goes to 4 and above silver pipe conected ... [Read more]

Radiator problem?

Can anyone tell me why when my gas ch system is set to hot water only the upstairs radiators come on too (this... [Read more]

diy plumbing?

Vokera Linea 24 Hot water runs hot and cold and does not fill a basin. CH engineer has diagnosed sludging. A m... [Read more]

Ferroli 80E water cut off switch, leaking at union?

Hello my ferroli modena 80E has gradually developed a leak at the top of the water cut off switch / flow sen... [Read more]

Luke warm water Halstead Ace High?

Last week we had intermittent hot water CH fine, we replaced the pcb board & still no change so we replaced th... [Read more]

Morco Feb 24E CH problem?

Hi My boiler CH heats up to a point then cuts out, possibly coming back on an hour or so later. It will come ... [Read more]

potterton ep20001 programmer wont light hw?

my programmer will not light up the HW side of the display after a power out. If I select hw it switches the c... [Read more]

glowworm ultimate keeps firing any time?

GLOWWORM ULTIMATE It keep firing up when hot water & ch should be off. eng put a new circuit board in last ... [Read more]

Spectrum Fuel-Miser Mk IV?

My central heating system has a Spectrum Fuel Miser Mk IV which provides: . Electronic temperature control of... [Read more]

My halstead ace30 DHW not getting hot ?

The boiler fires up ok but the water I only Luke warm the CH is ok tried altering the control an resetting but... [Read more]

how can I fix my halstead ace hot water?

my halstead ace has a problem with hot water, the ch works fine until asked for hot water, it fires for a whil... [Read more]

valient turbomax 242eh central heating will not operate once it reaches tem?

242 eh installed with 3 rads the boiler works fine in hot water when in ch and hot water mode ch reaches temp ... [Read more]

Ariston SX20 mffice hot water ok but no CH?

My eurocombi operates in hot water mode ok. When you switch on the heating the fan runs but the boiler does n... [Read more]

How can I fix my Saunier Duval Semia Condens boiler?

The Central Heating (CH) side works perfectly but the Domestic Hot Water (DHW) has developed a problem, thus..... [Read more]

Ferroli Modena 102 luke warm hot water?

Any help have Modena 102 sometimes when 1st time calling CH the gas flame is very low if flame doesn't spread ... [Read more]

No hot Water from Vaillant Sine 18?

Problem with Sine 18. Hot Water CH OK. Changed water valve diaphram (Several times over the years) which... [Read more]