How to mend ... Water Pressure Pump

Ideal Icos Boiler, Heatrae Sadia CL170, Reliance Pressure gauge?

My CH/HW system consists of the above components plus a room thermostat and control panel beside the boiler. A... [Read more]

why does the DHW work and not the Central Heating Worcester 24i rsf combi ?

the pressure is fine the boiler fires up when you run the hot water but the CH is not working. Have put it on ... [Read more]

saunier duval f24e?

my f24e is now working again after changing the power supply(I thought there might be something wrong with the... [Read more]

My Valliant Turbo Max Boiler loses water pressure?

The F22 code kicked in last year, now I check the display regularly and top up by opening the valve. It is get... [Read more]

What is causing my Optimax HE 31c to lose water pressure F37?

Hi my optimax he 31c is losing water pressure, f37. This has happened numerous times now after refilling press... [Read more]

How do i fix my boiler (Vaillent)?

I Have just bought a house that was a reposesion the boiler has been off for about a year (Poss more) the boil... [Read more]

Vaillant VCW GB 242EH combi boiler?

CH flame failure due to low water pressure. re- pressurised but wont ignite. pump , fan & DHW working OK

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]

first no hot water , now no heating vaillant 282e?

is there muck in the tubes of the pressure switch or is it the micro switch for that white arm behind the pum... [Read more]

no heating or hot water?

My boiler was working fine untill i moved it from the kitchen to the loft to free up space. Now when you turn ... [Read more]

having problems with sime format 80 c boiler?

I have changed the diverter valve and water adjuster valve and the led light now flashing to say check smoke p... [Read more]

Worcester Bosch 240 RSF not firing?

Worcester Bosch 240RSF combi boiler. Soft water, high mains pressure. Here's the problem: I had replaced th... [Read more]

ferroli combi boiler Pressure?

I re-pressurised my expansion tank about 18 months ago using instructions below:- 1. Switch off the boiler.... [Read more]

Ideal isar combi stuck in DHW, won't fire?

Hello Does anyone know much about Ideals? Mine is stuck in dhw, it isn't firing (no fan no pump either).... [Read more]

fixing a fault on baxi combi boiler?

my baxi combi instant 105e boiler stopped working. fault on pump or low system pressure indicator is flashing... [Read more]

ravenheat rsf100et no hot water or heat?

i came to fault find on this boiler, pump runs, fan runs, pressure switch ok boiler lights on pilot light and ... [Read more]

hot water pressure on vaillant ecotec plus 615?

i have replaced a tap washer on a hot tap & had to drain the water tank. Boiler pressure appears o.k but now h... [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]

Pump runs continuously?

I have a Potterton Suprima boiler with a Megaflow unvented mains pressure water heater. The pump has been runn... [Read more]

oil fired water heater probs?

Hello, my oil fired water heater has recently started leaking through the air pressure relief valve as if the ... [Read more]