How to mend ... Faulty Hot Water

Ariston micro Genus A 03 fault?

Heating / Hot Water not working - temp display giving what appears to be random numbers from 20 upto 99 and ba... [Read more]

Vaillant EcoTec Pro 28 - Hot water but no Heating?

Hi All I have the error s31 coming up on my boiler. This seems to point towards the thermostat being faulty... [Read more]

low water pressure F28 lockout, Vaillant Turbomax plus 828E ?

Hi guys, Hope you can help. I've viewed all the relevant and some of the irrelevant posts on similar subjects ... [Read more]

Fluctuating DHW on Ferroli Modena 102?

- I have tried all sorts to sort out this problem. As per other answers I tried switching the thermostat conne... [Read more]

vaillant turbo max?

only have hot water when heating is on , have changed diaphragm, still same , if boiler on hot water only, and... [Read more]

Problem with the diverter valve - vaillant turbo max boiler?

My boiler is 13 years old but in good condition so I don't want to replace it. We've replaced the diverter va... [Read more]

Why can we only get heating when hot water on also now(Dual programer)?

We recently needed to replace head valve due to pump over run problem.(Boiler is Potterton Profile) On putting... [Read more]

ideal combi pressure loss?

when i top up my ideal 280 combi to 1.5 bar water is passed outside via safety relief valve.the pressure go,s ... [Read more]

Faulty diverter valve or motor ?/?

Worcester Bosch Greenstar HE plus boiler, when the heating is not on we can get hot water but as soon as we ha... [Read more]

Ferroli DOMIcompact F24B losing pressure?

My boiler has been losing pressure for some time. It only appears to lose pressure when the central heating is... [Read more]

Combi boiler – faulty pressure gauge or water leak?

I don’t know if my combi boiler and system (a) has a water leak or (b) just has a faulty water pressure gaug... [Read more]

vaillant vuw 242?

is my diverter valve faulty on the hot water. the heating flow pipe gets hot when the hot water is running and... [Read more]

hi , i have a glow worm 40ff micron problem?

my problem is with the CH . it wont fire up when turned on . the is no sound of gas or of the fan starting up ... [Read more]

Faulty potterton performa 24 divertor valve?

I appear to have a problem with the hot water only valve on my potterton boiler, Heating mode is fine and it w... [Read more]

How can I get power to my white meter heating?

Some 4-5 years ago I turned all of my white meter heating off as I was not in the house enough to warrant the ... [Read more]

Hi, please could some one help I have a Ariston Microgenus HE?

Hi, please could some one help I have a Ariston Microgenus HE, the heating is working okay but when I turn th... [Read more]

Hot Water but no CH Potterton Netaheat Profile 30e-80e?

In the last day or so we have noticed that we are getting hot water but no Central Heating (rads are cold etc.... [Read more]

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]

Programmer trips (mcb) fuse?

Glowworm balanced flue boiler - priority hot water with two-port valve, grundfos pump and manual clock type (B... [Read more]

WHY'S MY VAILLANT BOILER NOT FIRING UP?

My Vaillant boiler isn't firing up when heating is turned on or when hot water taps are turned on. All the se... [Read more]