How to mend Boiler Not Heating Water

1

Vokera boiler problem?

Central heating works fine but the hot water is a nightmare, can start hot but then runs cold I may be mistake... [Read more]

3

Boiler switches on/off every minute when heating hot water?

Hi. I need some advice please. I'm renting a property which has an Ideal Classic LX FF & FF Fanned Flue Gas... [Read more]

Why has Heat Exchanger on IDEAL ISAR HE24 gone?

So... At the end of 2008 (early December, so about 4.5 years ago). We had central heating installed for the... [Read more]

2

voera linea max sometimes not igniting in hot water mode?

my boiler sometimes does not ignite in hot water mode when i reset it ,it works ok for a while then fails to i... [Read more]

Glow worm betacom 30 c boiler error code 70 flashing?

Error code 70 flashing, boiler not lit, no hot water. replaced air pressure switch as that what the manual say... [Read more]

1

performa 28 fan not working?

checked supply to fan none there does not work on water or heating mains to boiler ok

Viessmann Vitodens 100 30kw combi?

Help/advice greatly appreciated. The boiler is heating water on demand but not heating rads. I’ve tried rese... [Read more]

2

Siemens rcr10/433 how to restart it?

My central heating stopped working but boiler and transmitting unit both seem fine and still have hot water. T... [Read more]

1

Ravenheat heating thermostat transmitter does not work?

My Vaillant combi boiler provides hot water but the Ravenheat transmitter type thermostat has stopped working ... [Read more]

boiler wont fire up ?

boiler will not fire up in hot water or heating.fault finding,from manual says its a ignition problem.add new ... [Read more]

1

vaillant ecomax 835-e we have hot water but heating does not fire up?

we operate our boiler manualy turning it on and off as we need it our hot water is working fine but our heati... [Read more]

my boiler does not flair up when i pu heating on ?

the make of the boiler is sorry i dont know but it s an old combi it heats the water and raidiators and it d... [Read more]

water is not heating up instantly like it suppose to with combi boilers?

hi everyone i have an halstead ace high combi boiler, who doen't fire up instantly, when it does the water ha... [Read more]

1

Loosing pressure ,ignition indicator flashing when boiler goes quiet?

VUW 242 1E loosing pressure when not running,cant find any leaks from outlet pipe,when the boiler goes quiet I... [Read more]

water not hot enough?

I have a glowworm economy plus 50F Fanned Flue Boiler, the rads are heating up but the water is only hand hot?

2

Potterton Programmer not controlling stat?

I developed a fault on my Potterton system as a direct result of trying to change the in room stat (Potterton ... [Read more]

2

why is my red light not on?

i have no hot water or heating the water was hot earlier today but wont get hot now, the boiler wont ignite b... [Read more]

1

how to fix my Vaillant ecotec plus 824?

My boiler is flashing con on display as I have had a rubber pipe split. I have tried hair dryer for 1/2 hour ... [Read more]

new worcester 550I combi boler?

When the hot tap is opened fully the temp of the water increases until the boiler trips out .Worcester service... [Read more]

I have a greenstar 25cdi gas condensing boiler. ?

The hot water temperature is'nt always getting hot. Never cold but sometimes lukewarm , sometimes hot? The c... [Read more]