How to mend ... Boiler Heat Water

438 at low gas rate?

have recently fitted vaillant 438 ecotec open vent boiler. fires at full rate for aprox 20 seconds then goes t... [Read more]

my vaillant Sine 18 combi boiler has fault?

While I appreciate that it's knocking on a bit, like myself, I feel that there is plenty of life left in the o... [Read more]

Potterton Netaheat Radiators working, but no hot water?

I have Potterton Netaheat 16-22 Mk11, during cold weather boiler heats both radiators and hot water, but in wa... [Read more]

sime format c boiler-female in distress!!?

Hi, my heating has been off most of the summer and on swithcing the system back on it worked perfectly but i n... [Read more]

Water tank not heating?

For the past week I've had no hot water - there is water coming out of the hot tap, but it is cold. My boiler ... [Read more]

Worscester Bosch 24i Junior, Ignitor light flashing?

I had my boiler fixed and tested last march and everything seems to be working fine with it. However this ligh... [Read more]

how do i replace the diverter valve in my boiler?

I have a vaillant TurboMax plus and started having trouble getting hot water. I can not get hot water when the... [Read more]

Ravenheat CSI 85AT Boiler. Central Heating not working?

After switching the setting on my Ravenheat CSI 85AT Boiler to Central Heating and Hot Water (its been set to ... [Read more]

Baxi combi 105E flame on and off problem?

When I turn on the boiler for either hot water or central heating the flame light will come on, the boiler wil... [Read more]

boiler goes onto pump overun after "COLD WATER" IS USED?

worcester 24i Why when I operate the cold water in my house and then turn it off does my flow switch operate ... [Read more]

potterton performa28i?

I have a fault with the hot water,the lights run up all the way to full heat then come down slightly when they... [Read more]

ch will not turn off. when on dhw only?

thermostat disconnected on boiler .swich on water only ch still comes on .continuse burning till over heat.

Why don't I have hot water after installing a washing machine?

Hello there I hope someone can help... We disconnected and reconnected the dishwasher and washing machin... [Read more]

does anyone know hy my vokera linea 24 cycles on and off?

my boiler lights the goes out every 5 or 6 seconds on heating and hot water flow and return clear pump running... [Read more]

Cylinder Thermostat not switching off?

I have recently had my system drained to fit a new bathroom. Since then the hot water has been too hot. I trie... [Read more]

Glow worm Space Saver 38 Fault?

Hi, i recently removed a radiator to decorate behind it. I turned off the two end 'taps' on the radiator, the... [Read more]

Baxi Bahama Problem?

Help Please. Have a Baxi Bahama 100 which is faulty. When turning on either a hot water tap or Central Heating... [Read more]

Glowworm Swiftflow Start Up?

Hi!! I've turned the combi boiler back on, got the pilot working fine but no heat to the shower, rads or ho... [Read more]

Baxi bermuda 552 back boiler- Pilot works but Burner not igniting? ?

Hi- any assistance would be great!! the boiler has not been serviced in a while and is not providing heating o... [Read more]

Worcester Bosch 35CDi II - hot water fault?

After coming back from holiday we found that our boiler will only heat the hot water when the tap is turned fu... [Read more]