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How do I reset my wireless Siemens RDJ10RF thermostat?
How do I reset my wireless Siemens RDJ10RF thermostat?

Unknown error code (E168) on Potterton Promax 24 HE Plus?
Unknown error code (E168) on Potterton Promax 24 HE Plus?

How can I fix my Potterton Prima
How can I fix my Potterton Prima 'F' boiler?

my worcester greenstar HE boiler wont fire up?
My worcester greenstar HE boiler wont fire up?

Fault Codes for Worcester Bosch Greenstar 24i Junior?
Fault Codes for Worcester Bosch Greenstar 24i Junior?

Mend flashing fault heat
1

Problems with Ferroli optimax 25c?

Not long after service. Not flashing fault just two dashes. No heat no hot water. And gushing sound coming fro... [Read more]
Mend replacement gas light
1

Thermo coupler replacement on ventless gas logs?

My pilot light on my ventless propane gas logs will not stay lit after releasing the pilot button. Is this alw... [Read more]
Mend boiler heating thermostat

I have a Vailant Turbo max Boiler that wont tun off???

Can anyone help me. I have got a Valiant Turbo Max boiler that keeps comming on during the night and warmin... [Read more]
Mend relief valve heating system pressure

grant 70/90 outdoor, sealed system boiler?

I have been losing pressure and some water from system for some time now could'nt find a leak any where indoor... [Read more]
Mend vaillant boiler pressure
4

vaillant turbomax 242 no hot water downstairs?

I have c/h and hot water upstairs but the hot tap downstairs gives hot water for less than 1 minute then losse... [Read more]
Mend pressure dropping running

vaillant boiler turbomax plus 824e pressure dropping?

My Boiler is still running but I am detecting a smell but cannot identify what it is (carbon monoxide monitor ... [Read more]
Mend boiler heating blowing
1

internal fuse blowing on boiler?

each time stat turned up the internal fuse is blowing.. any idea?
Mend boiler water pressure home heating
1

how can I stablise my water pressure?

The water pressure in my boiler keeps dropping and it needs topping up on a daily basis via the screw which is... [Read more]
Mend boiler heating lockout
1

heatslave 20/25 boiler not working and the reset button is not lit up. ?

I have a heatslave 20/25 boiler. I have no hot water and the heating is not working. It sounds as though the b... [Read more]
Mend boiler heating pressure

rise in boiler pressure?

I have a Weil McLain boiler and the piping was redone this summer as all the zone valves and piping was mounte... [Read more]
Mend boiler pressure heating
1

How to increase the pressure on my Vaillant Ecomax 828/2E boiler?

I have located the two valves but can anyone tell me which way to turn them, clockwise or anti clockwise...? ... [Read more]
Mend boiler set max

Saunier Duval F35E boiler?

Why are my radiators only warm when set to max on my Saunier Duval F35E boiler
Mend boiler hot water heat exchanger
2

Why is my water still to hot?

Previous Q & A :- I have a recently installed worcester 24i (LPG). The tap water gets very hot and after a wh... [Read more]
Mend boiler heating glowworm
2

glow worm energy saver 40 no hot water or heating?

my boiler has been working fine today its not firing up for some reason, the orange light is on but neither of... [Read more]
Mend gravity fed boiler
2

KNACKERED POTTERTON RS40?

I would like to replace the above with a compatible gravity fed boiler, but is it a simple case of lifting the... [Read more]
Mend heating radiators hot water
1

oil fired boiler?

when the hot water is heating up some of the radiators also get hot even though the radiator heat is not switc... [Read more]
Mend central heating boiler Worcester
1

how can i stabilize my boilers (worcester 24i junior)pressure?

when i turn on my central heating the pressure gauge on my boiler (worcester 24i junior) keeps rising .i have ... [Read more]
Mend combi boiler heating faulty

home heating?

Baxi combi 80eco. When hot water is run, rads heat up even when switched off. Boiler stays on for ages after... [Read more]
Mend boiler combi hot water

my ariston microgenus combi when i use the shower will fire up but no hot w?

is the problem the diverter valve if the boiler fires up for hot water but doesn't heat the water.this happens... [Read more]
Mend boiler central heating hot water

worcester 24i won't fill?

Our centarl heating/hot water seem fine, taps and rads ok. But needed to increase pressure in bolier and have ... [Read more]

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