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We have 557 questions about mending 'ch hot water'

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Mend Heating, Home Heating Systems

Worcester Greenstar 28i - Heating and hot water will not work at same time?

I can't get the CH & HW to work at the same time for some reason. They work seperately but not together. I s... [Read more]
Mend Heating, Home Heating Systems

ignition problem?

hi anyone out there, Having a problem with hot water/ heating water boiler ingnition,upon start fans runs gre... [Read more]
Mend Heating, Home Heating Systems

RSF 82-ET intermittent heating and hot water?

My ravenheat RSF 82-ET boiler has had intermittent problems providing DHW and CH in the last few days, it is n... [Read more]
Mend Heating, Home Heating Systems

both my Central Heating and Hot Water not working?

Hi, I tried to reset my boiler but now it wont work at all. I cant get either HW or CH. plz help
Mend Heating, Home Heating Systems

bosch worcester 240 combi ?

all of a sudden there is no CH or hot water.. pressure seems Ok at 1.2bar, no leaks .. the pilot bursts into l... [Read more]
Mend Heating, Home Heating Systems

i have a Glow-worm beta com 30 c with flaime light flashing ?

it also has a ticking noise all the time even when its just powered on but i have ch but no hot water any id... [Read more]
Mend D.I.Y, Plumbing

Sime Super 90 MkII fails to ignite 'sometimes'?

My boiler 'sometimes' fails to ignite. I have my boiler on timer early morning / late evening and notice somet... [Read more]
Mend Heating, Home Heating Systems

Baxi Combi 133 HE Plus replaced PCB but no CH?

Hi, Problem started when fuse has gone on PCB. I have replaced PCB with new item. Hot water is working but... [Read more]
Mend Heating, Home Heating Systems

how can i make the pressure for the hot water faster?

i have a worcester 15/19 oil heatslave boiler that is not giveing hot water pressure ch works but no hot water... [Read more]
Mend Heating, Home Heating Systems

halstead boiler?

how do i fit a water diaphram for halstead ace boiler as only have hot water when ch is on could you please se... [Read more]
Mend Heating, Home Heating Systems

Burner fires up and CH comes on, even though not selected at switch ?

Having been impressed with the diaphragm solution I was given here in 2010, I have another problem now with my... [Read more]
Mend Heating, Home Heating Systems

Halstead Ace 30 - No DHW - CH on using DHW taps?

4 year old Halstead Ace 30. When turning the hot water taps on, 'H' shows on the display, swiftly followed by... [Read more]
Mend Heating, Home Heating Systems

valliant combi mdl no cca?

i have changed the ch flow pipe due to a blockage 2mtr of pipe,previously i had it power flushed after fitting... [Read more]
Mend Heating, Home Heating Systems

hot water to ch when dhw turned on?

my Ravenheat RSF 100E combi is heating the radiators when the domestic hot water is turned on, is there a prob... [Read more]
Mend Heating, Home Heating Systems

Vokera Linea 735 combi?

Boiler won't fire when hot water is turned on but temp. rapidly goes up on digital display whilst the tap is r... [Read more]
Mend Heating, Home Heating Systems

Boiler set for DHW only,but CH also comes on Ferroli optima 1001?

The boiler is set for DHW only, recently even when hot water is not on demand , boiler switches itself on for ... [Read more]
Mend Heating, Home Heating Systems

Ferroli Modena 80E Hot water but no CH?

Hi, I've not used my CH for a few months over the summer, went to put it on a few weeks ago during a cold s... [Read more]
Mend D.I.Y, Plumbing

plumbing?

i have a sime super 90 combi. when i turn on the hot water tap, the unit does not fire up, however the ch wo... [Read more]
Mend Heating, Home Heating Systems

Potterton Prima-donna F - not heating water?

My central heating seems to work fine but there is no sign of hot water. If I turn on the HW only on the contr... [Read more]
Mend Heating, Home Heating Systems

vokera 80sp?

i have no hot water or ch pilot light on but boiler does not fire up when requested

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