How to mend ... Only Water Heat

overheating, potterton kingfisher mf rsl40?

when hot water only is turned on it overheats and main heat controller stops being effective?

Zanussi zjd1219 wont heat water or dry?

I have a Zanussi zjd1219 which is only just over 2 years old. It wont heat the water up nor will it heat the ... [Read more]

electric shower?

my triton biarritz shower will not heat the water up any more i think it is six years old at frist is was goin... [Read more]

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]

Pilot light trouble for johnson and starley water exchanger?

Can anyone explain why the pilot light for our J&S water heater keeps going out. Had a new heat exchanger and ... [Read more]

How can i fix my valient combi boiler?

my valient boiler does not heat water, and comes up F28, how do I fix it?

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]

why is my C class 220 D mercedes heater hot when switched off?

why is the heater on my mercedes 220 D hot when switched off? No fuses are blown, there is a 12 volt supply t... [Read more]

Thermal cutout?

When turning on a shower & using the temperature control Knob to get the right water heat for a shower, DOES t... [Read more]

turning off oil burner during warm weather?

Is it practical and/or harmful to turn off the oil burner during the day if we have no need to heat water. We... [Read more]

Anybody know about AEG dishwasher Favorit Sensorlogic?

I bought it new 4 years ago and have been well pleased with it. On the front it says: AEG Genius f... [Read more]

Header tank overfowing due to hot water flowing in?

We have an old indirect heating system fired by a gas back boiler. When fired up to heat water only, hot water... [Read more]

Ravenheat boiler?

My Ravenheat boiler won't fire up when set to hot water only, meaning that, in summer, I have to waste fuel in... [Read more]

centeral heat heating systems works?

but no hot water comes out of the hot tapes at all .their dry.we live in a bunglow.we have afloor standing gas... [Read more]

what is the name?

i have a 1998 r reg ford fiesta 1.25 ghia, what is the name of the thing at the back of the engine compartment... [Read more]

How can i fix my Vokera 20 e,main pump continues to run?

Vokera 20 e pump continues to run on the D/H/water side after shut down (should be for 30 seconds to dissipita... [Read more]

Worcester Heat Slave 20/25 boiler. Very Low pressure?

Hot water pressure is very low. Water temp OK. Full cold water pressure. Water meter confirms no leaks. For... [Read more]

not collecting water, some heat, not drying fully?

hotpoint aquarius ctd 40,2 yrs old not collecting water, condenser unit dry, some heat but not fully drying cl... [Read more]

Saunier Duval Codens F30 heat exchanger?

My Saunier Duval Codens F30 is always depressurising and also, when it works for sometime, it shows a fault co... [Read more]

ravenheat 820 no hot water?

i have a ravenheart 820,have previously had to have heating on to obtain hot water,to avoid overheating and st... [Read more]