How to mend ... Boiler Heating Dhw

heatline s20/s30 boiler?

I have a flashing light on my boiler for DHW sensor and is affecting the heating so that the boiler does not s... [Read more]

diverter valve not operating?

Hi I am having a problem with my potterton performa 28i boiler. Central heating works fine. Dhw giving cold ... [Read more]

Ravenheat CSI 120 error code 04?

I have a Ravenheat CSI 120 on which I recently (last week) replaced the diaphragm in the diverter valve. I the... [Read more]

Sime Format 100c 6yrs old?

My boiler stopped working this morning, Homecall+ what a disaster!, gone bust and forgot to tell me! still hel... [Read more]

how do i refill worcester 532/i combi boiler?

came back of holiday notice 3 radiators not heating bled all the air out now boiler is not working tried reple... [Read more]

I have a Halstead Ace high. ?

The DHW activation pin does not move enough to close the contacts on the DHW flow switch. If i operate the swi... [Read more]

My boiler kicks in when hot water and heating set to off position?

My boiler ignites every half hour for roughly 30 seconds and then goes off, even when DHW and DTG are set to o... [Read more]

Alpha Boiler CB24/28?

Central heating works but no domestic hot water, have changed DHW SENSOR, with no effect, whats the next ste... [Read more]

Lock out problem with vaillant turbomax plus?

My turbomax plus 828e locks out under the following circumstances.1 If I draw hot water when the boiler is co... [Read more]

biasi 24s DHW?

i have a baisi 24s boiler heating works fine hot water runs hot and cold? any suggestios

halstead ace high problem?

Hi, I have a problem with my hot water and heating. The Halstead Ace High boiler does not come on when a deman... [Read more]

how do i replace a DHW Diaphragm on a baxi 105e?

When the boiler is set to either central heating or hot water the boiler does not fire up when turning taps on... [Read more]

My boiler Vaillant ECOmax 824E needs to be reseting every morning.How can I?

ECOmax 824E needs to be reseting every morning.After reseting boiler operates in heating mode and DHW as norma... [Read more]

solar 2000 combi boiler no dhw?

any ideas how to repair a solar 2000 combi boiler? Heating works ok,but no dhw.When turning on hot water tap b... [Read more]

Heating/Hot Water Problems with Ravenheat RSF100ET?

Hi Original problem was not very hot DHW, but burner running flat out. Changed both DHW and CH thermistors, ... [Read more]

ferrolli optimax he31c?

central heating fine dhw not working intermittantly boiler ignites water temp on gauge rises but no dhw

Low Pressure on Ravenheat Condensing Combi CS1 85A (T)?

The pressure keeps dropping on my boiler,i cannot find any obvious leeks on the system.Also the dhw takes ages... [Read more]

ace high boiler problem?

replaced diaphram and diverter valve service kit , ch working ok , in dhw only mode both central he... [Read more]

NO DHW from my greenstar 28i?

There is no hot water from my greenstar 28i The heating is working fine . When the tap is turned on the boil... [Read more]

no DHW on my halstead combi 82?

The central heating works fine on my boiler but does'nt fire up on turning the tap for hot water. Iv'e change... [Read more]