How to mend ... Water Mode Switch

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 Ravenheat CSI 85 AAA (T) 780 series?

can anyone help me please? my ravenheat CSI 85 AAA (T) boiler works absolutely fine in winter mode but when i ... [Read more]

ACL Lifestyle Model LP112?

Strange problem - the heating and hot water will only function normally on timed mode. If i try to switch the... [Read more]

Domina 80E CH fault?

I can get hot water easily and constantly but the central heating doesnt work properly. The CH comes on when i... [Read more]

worcester cd35i ii pressure problem?

i have a problem with my combi worcester cd35i ii the pressure of the unit is at just over 1 bar and when you ... [Read more]

Sime 80e heating on constantly, ?

my sime 80e boiler has the heating on all the time. the only way to turn it off is at the mains or to turn the... [Read more]

Baxi Combi Instant 105 HE fault?

Hi, on the above boiler we had a PCB fitted to replace a fault (Demestic hot water mode). This produced a fla... [Read more]

alpha 280e problem?

hello guys . this boiler has started screaming when the heating fires up ,and when hot tap ran . took cover of... [Read more]

Towerchron Qe2?

My towerchro QE2 worked perfectly for the last 5 years until latley when the heating in "run own program mode"... [Read more]

Halstead High Ace - DHW not turning off?

After turning off the DHW tap, my Ace High boiler stays in Hot Water mode - this also heats up the radiators. ... [Read more]

whats the problem with my baxi 105e instant boiler?

Hi my baxi 105e instant boiler is stuck in the hot water mode i.e light on constantly. The hot water works fin... [Read more]

Ariston Microgenus 27 MFFI?

Help! Noone can fix my boiler. it has a mind of it's own. It comes on when it likes and switches off when i... [Read more]

Baxi back boiler will only run in heating mode?

I have a baxi back boiler that will only run in heating mode with the hot water off. as soon as i switch the h... [Read more]

potterton performer 24kw HEcombi?

Hello ,is there any quallified heating engineers out there who may know wat this fault is. no hot water,the p... [Read more]

WHY'S MY VAILLANT BOILER NOT FIRING UP?

My Vaillant boiler isn't firing up when heating is turned on or when hot water taps are turned on. All the se... [Read more]

Vokera boiler works in heating mode but not Hot water only mode?

I have a problem with my boiler it is a Vokera 20-80 RS flowmatic. The flowswitch tries to move but does not o... [Read more]

Hot water problems on Alpha CB24 X Boiler?

When boiler on "auto" or "timer" mode, there is no hot water when tap turned on until the pump kicks in for th... [Read more]

Hot water goes cold heating goes cold?

My Worcester 24i goes off after a few minutes both in hot water and heating mode.Some times it comes bock on a... [Read more]

Odd airflow fault Britony Combi SE?

Hello, I have a Brittony Combi SE boiler. It works fine in central heating mode, but sometimes when a... [Read more]

Hot water prob - Vaillant Turbomax Plus?

For about the last 6 weeks or so our hot water temp has been very unstable. The boiler fires and heats wat... [Read more]