How to mend ... Hot Water Keeps Going Cold

glowworm combi boiler?

Hi - My glowworm combi boiler has stopped working. The pressure light is flashing and the pressure needle has... [Read more]

How can i fix my Ariston Combi Boiler?

The water will only heat up when the heating is on? The shower will fluctuate from hot to cold whilst the he... [Read more]

vokera combi ,hot water?

ive got no hot water at all unless i switch the heating on then it heats up,if i switch the heating off water ... [Read more]

Hot Water intermittent and radiators only warm..Vaillant Turbomax Pus 828E?

I have a 828e Turbomax Vaillant boiler. The temperature on it keeps dropping constantly and then the boiler ki... [Read more]

what is wrong with my boiler?

when the hot water is on it suddely goes cold and the boiler leaks

ferroli falcon 2 combi boiler?

my hot water keeps going cold then hot then cold?ive been told its a heat sensor is this true and is it easy t... [Read more]

how can i fix my heating pump?

my heating is working fine all my raditors are heating up but my hot water is still cold even thought i have c... [Read more]

Potterton Puma 80 c/h intermittently working until warmed up?

My boiler, Potterton Puma 80 (may be an 80e as no pilot light?) has been working fine for 5 years and now it t... [Read more]

Worcester Bosch 24CDi Combi - occasional hot water?

My boiler has worked fine since being fitted by BG in 99. Serviced annually. Last week it stopped continuall... [Read more]

how can i bring the water preasure up in my valliant turbomax combi boiler?

my valliant turbomax has low water preasure and as a result the radiators in my bedrooms are cold up the top a... [Read more]

how can i fix my combi boiler?

can anyone help me find the fault on my potterton puma 100e combi boiler when switching the central heating on... [Read more]

Problem with hot water supply?

Over the last week or so, the water pressure coming out of the hot taps has dropped to a little more than a tr... [Read more]

sime super 90 how to get hot water with out the rads been on?

if i have got the rads on the hot water is fine as soon as you turn the rads off the hot water goes cold it do... [Read more]

Potterton Puma 80 - hot water ok, but no C/H, bypass Temperature Sensor?

My Potterton Puma 80 C/H has decided to stop working. It started up first thing this morning, then after 30... [Read more]

central heating problem old baxi back boiler?

i have a baxi back boiler which is not working properly when i turn on the heating only the upstairs get hot t... [Read more]

DHW pressure dropping after tap turned on?

Boiler: Baxi Genesis 80. About 15-45 seconds after the hot tap is turned on the flow will slow to a trickle a... [Read more]

The Burner Keeps Going Out?

I have a Friendly Format 80E combi boiler. On average 1-2 a week the burner goes out, the first we know is it... [Read more]

how can I fix my sime friendly format 100e?

The heating seems to work ok but can go off intermittantly but the hot water goes cold for no reason & we have... [Read more]

Some radiators hot, some are cold?

I have oil fired central heating and some of the radiators upstairs and downstairs are hot and some are cold, ... [Read more]

Cental heating ok, no hot water?

Potterton Netaheat Profile central heating fine, boiler seems to be heating the water ok to the storage tank,... [Read more]