How to mend ... Open Hot Cold

gas water heater chaffoteaux britony 11t (geyser ) 11 years old?

The heater's burners will only come on when the temperature is set at the maximum. On all the other settings i... [Read more]

minimal hot water ?

i have a ravenheat silverstar combi boiler and the hot water runs for a few seconds then turns cold even with... [Read more]

Luke warm radiators?

Really need help with a central heating problem (old, but sturdy back boiler open vented system in a flat - o... [Read more]

How can I fix my Main Combi 30HE boiler?

The domestic hot water system is not operating properly as it heats the water to the right temperature when yo... [Read more]

Hot water prob on Vaillant VCW GB 242 EH?

DCH fine, but I can only get a steady flow of hot water with the tap fully open, and although hot, its certain... [Read more]

over heating boiler?

boiling water coming from open vent pipe and hot water is coming up the cold feed into the header tank...potte... [Read more]

Expansion tank hot?

Greenstar Ri boiler open vented system. When boiler switched on constant flow of hot water to expansion tank... [Read more]

diverter valve not operating?

Hi I am having a problem with my potterton performa 28i boiler. Central heating works fine. Dhw giving cold ... [Read more]

Banging Pipes - Hot water only?

We have a worcester boiler (in our new house) which was fitted 9 yrs ago - for some reason it has been left as... [Read more]

How can I fix Ravenheat boiler?

the hot water is not being heated constantly when the tap is open . The boiler starts to heat the water and sw... [Read more]

Vokera Linea 28?

The hot water goes from hot to cold then hot and the process repeats itself. i've changed the Thermister but ... [Read more]

boiler?

boiler will only start up when taps are open , will not start up for central heating eventhougth its switched ... [Read more]

landlord shut heat off but i have hot water, how do i turn on the heat brrr?

i have hot water but no heat(furnace is oil heat and controls both heat and hot water)...the landlord told me ... [Read more]

no hot water?

hi again sorry about that i got a heatline combi 24 get heating but when open a hot tap water is cold cheers... [Read more]

vaillant ecomax 824e flashing e20,e13,f20. How to fix it?

Thing is, that my boiler (which is vaillant ecomax824e) use to go through these codes e20 and then f 20, or e1... [Read more]

vaillent 824 6 radiator system?

first five radiators work ok, 6th radiator only gets half hot which runs from the fifth radiator on 15mm pipe... [Read more]

Programming Honeywell CM921?

Hi: The heating engineer installed this unit during installation of a new boiler. This is a 1 day wireless pro... [Read more]

Tap pressure?

Have two basin taps (mixers) that have recently dropped significantly in pressure on hot or cold. Tap fully op... [Read more]

problem with hot water on ariston boiler?

hi all i have ariston boiler which we inherited when moving in to house but have major problem with hot water... [Read more]

Vaillant boiler VCW 242/282 EB, Hot water problems?

Hot water is excellent to other DHW taps in the house. Recently changed Kitchen mixer tap (aereated water ).No... [Read more]