How to mend ... Black Hot Water

myson trv 2 way?

black pin in middle of head pushes up to star, small pin on rad free. hot water flows until i put trv on, th... [Read more]

cant fill up sime boiler ?

i have a sime 100c format boiler, i have two taps and a black tap. turn them all on but no water come in to to... [Read more]

i am replacing the thermostat 4 the p lite and there is a black wire hangin?

i am replacing the thermostat for the pilot light and i have found a black wire hanging down with a white ppla... [Read more]

I have a Aqualisa classic i think 400 mixer ?

It only lets out hot water even when on max cold position do i need a new cartrigde,And mine is black do i use... [Read more]

Baxi Bermuda 552 bubbling and clattering?

Hello, Just joined. I value any ones advice here please. I have a Baxi back boiler in the living room insi... [Read more]

Ferroli optimax he 38 c filling kit connections?

I topped up the water on my boiler, but think I have moved one or more of the other 3 "taps" that make up the ... [Read more]

Baxi Combi80 Eco No pilot light, no heat or hot water?

HI All, Think that this should be quick. Baxi Combi80eoc. Everything appears and sounds to work. Switc... [Read more]

Adding dispersants to circulating water?

We have a Vaillant Combi, whic is persistently (at 2 year intervals) having to have the hot water heat exchang... [Read more]

trying to change glow worm micro switch?

Trying to change a domestic hot water micro switch on a glow worm 100e connected it all up but no good is it b... [Read more]

how can i fix my ariston genus he 24 mffi boiler?

when the water runs hot all of a sudden it starts cooling down and shows either E 33 or E 34 code then it clea... [Read more]

Pump is sorted.How do i clean dhw heat exchanger Vaillant part no: 065053?

Pump is sorted by now. I have back hot water and central heating. But some problems with hot water persists. ... [Read more]

how can i fix my boiler?

halstead ace high hot water is intermitent i clean the heat exchanger and all is well but why does it heep hap... [Read more]

No hot water, although heating working?

No hot water from Glow-Warm 38CXI, although heating working OK. Problem started few weeks ago, hot water was f... [Read more]

sime super 90 plus diverter valve plastic cap missing?

sime super 90 plus, diverter valve small plunger which goes up when you put the hot water on. The plunger does... [Read more]

jcb 3cx not move in 1st and 2nd but will in 3rd and 4th?

i have had my 3cx for a few months and am new to it all . 1st problem is in 1st and 2nd it will not nove but ... [Read more]

Potterton Promax 24/2 PROBLEM - HOT WATER OK BUT NO HEATING?

We have had this boiler for about 2 yrs. I have the heating on constant with the thermostat controilling tempe... [Read more]

How can I replace diaphragm without my instruction manual ?

My Vaillant ( think it's a turbo as has black panel with green knobs as described by others ) is ten years old... [Read more]

Potterton kingfisher II Boiler?

Boiler pilot light is just on a small flame setting (pilot light). Have tried several times to fire it up to f... [Read more]

Worcester 28i Junior - same problem with a twist!?

Hi, I have been having the same boiler problem. Red reset light, flashing blue light every 2 / 3 seconds. I ha... [Read more]

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]