How to mend ... B Dhw Out

Vokera Excell 96E dhw micro switch?

The old dhw microswitch has 2 grey wires, this part is now superceded by part no 01005177 which has 3 wires. A... [Read more]

ferolli lighting but not staying lit?

as above it lights but will not stay lit, rises to 11.5 mbar as it should then dies off, few seconds. all powe... [Read more]

alpha boiler HE CB25?

Switch the selector to DHW, open the hot water tap, NO HOT WATER. This started yesterday. Help.

Valiant Turbomax 282 DHW not very hot?

I have had a 282 for 10 years, repaced diverter valve, diaphams, micro switches etc. The DHW supply has never ... [Read more]

Water pressure on a Sime 100e combi-boiler?

... after replacing the diverter valve diaphragm, dhw heat exchanger and cleaning the inline filter I'm still ... [Read more]

Sime Friendly Format 80e, replaced diverter valve but rads. still get hot?

Boiler: Sime Friendly Format 80e Problem: Radiators get hot when DHW is run. I had assumed this was the di... [Read more]

Air pressure switch?

air pressure switch problem i think but any advise would be greatful. When both air tube (red/white) are conne... [Read more]

GlowWorm Compact 80e, leaking DHW Micro Switch?

Hi, I have Glowworm Compact 80e that has a leaking DHW Micro Switch. I opened it and cleaned the red washer... [Read more]

Ravenheat rsf820/20t hot water problems?

Hi, When I run hot water the temperature fluctuates from scalding hot to cold. Also frequently cuts out when ... [Read more]

How to remove the 2 allen screws on the DHW plate heat exchanger?

The head on the allen screws have worn and will not move. Any ideas?

Glowworm 38cxi repressurising question?

We have the above boiler, about 2 1/2 years old. It s sprung a leak in the DHW cast plastic pipe out of the L... [Read more]

Vaillant Turbo Max VUW 242/1E, 282/1E?

This is a similar question to one already posted. The central heating works fine. Unfortunately no DHW. Answe... [Read more]

very hot water,high pressure and drips.....ahhhh!?

recently moved into house with ferroli modena 80e,serial starts 99. well it is a nightmare. the water in showe... [Read more]

csi85 1 year old?

i have two raventheat csi 85 and both give hot water when ch mode is on , but dont work when in the dhw only ... [Read more]

High pressure on my Optima Ferolli 901 central heating?

Hi, I have a Ferroli optima 901 . I had problms with the DHW and foolishly adjusted this on the mod gas valve... [Read more]

Worcester bosch 28si lockout?

My Worcester 28si keeps locking out shortly after firing. I have ruled out primary sensor, dhw sensor, fan ai... [Read more]

Worchester Bosch 280 RSF will not supply DHW?

My boiler works OK when used on CH, but will not supply DHW when the boiler is cold, if the boiler has been he... [Read more]

BAXI 105E ISSUES ON FIRING UP DHW / CH?

My boiler is problematic - takes sometimes 30mins resetting and resetting because of fame failure light flashi... [Read more]

manual for baxi 105e?

I need a manual for a baxi 105e boiler. I need to replace the DHW diaphragm..... but I've mis-placed the instr... [Read more]

Potterton puma 80e heating failing after being left off for a few days?

My heating fails to light if left off for a few days but if i leave the dhw running for 10-15 mins then try th... [Read more]