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Mend Ch Hw Second

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We have 293 questions about mending 'ch hw second'

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Mend worcester rsf switch

Worcester 24i RSF Junior - Water Flow Switch Melted!!?

Hi, had a few probs recently wi boiler, new Gas Valve & new PCB within last 2 months seemed to have sorted it.... [Read more]
Mend potterton prima 40

Potterton Prima 40 boiler .. what controller ?

Hi, My boiler will only work when both CH and HW selected I cannot have one without the other hence bi... [Read more]
Mend vaillant gb 242

vaillant gb 242 eh - what should water level be? please help?

Hi The Ch and HW keeps cutting out as pilot wont ignite.looked at the water guage - red and white hands - whi... [Read more]
Mend hot water central heating

Hot Water but no Central Heating?

Hi - I have a Glow-worm Hideway. I have a control box/timer which controls both HW and CH. I usually have the ... [Read more]
Mend boiler will not light

boiler will not light?

i av a myson apollo 30si was working then stopped will not ignite on hw or ch
Mend Heating, Home Heating Systems

Hot Water But No CH Poterton Neataheat Profile 30e-80e?

In addition the my previous question (with same title), I managed to get the Central Heating (CH) working for ... [Read more]
Mend potterton control set

heating still on!?

I ve got a potterton suprima 30 with EP2002 control panel. The HW slide is set to timed and the CH slide is se... [Read more]
Mend fine ch sequence

Vokera 80SP question?

The boiler works fine both HW and CH, but the operation sequence seems not quite right. When CH is selected, i... [Read more]
Mend vokera fires water

could it be a thermistor?

trying to find out whats wrong with my vokera option combi, it fires up on hw then trips out, the water then g... [Read more]
Mend high problem help

Halstead High Ace Boiler HW & CH Problem?

Hi, I am at my wits end and need help as winter set in with 3 children. My boiler has played up for many yea... [Read more]
Mend light help night

how to fix boiler pilot light potterton flamingo 50s?

please help, pilot light goes out every night, boiler works fine hw&ch when re-lit but is a real pain as boile... [Read more]
Mend potterton boiler fitted

Potterton puma boiler hw but no ch?

Hi my boiler will run for hot water but not for ch. Have fitted new micro switch,and the flow pin connects an... [Read more]
Mend ch boiler time

Baxi 105HE CH & HW problem. please assist?

The boiler will sometimes fire up for c/h and h/w but not all the time. No flashing fault lights. Have tried r... [Read more]
Mend stay alight help

Why does my boiler stay alight?

Hello Can some one help please, my boiler stays alight even tho the programmer switches the CH and HW off its ... [Read more]
Mend pump fitted heating fine water

new valve and pump fitted heating fine no hot water?

Just had an engineer to fit a new c/h pump and 3 way honeywell v4073a motorised mid position valve to a combi ... [Read more]
Mend help needed hot

Ferroli Domina 80 problem Tech help needed?

Hi I have a domina 80 combi that wont fire up for either hot water or ch. If you switch HW on the demand light... [Read more]
Mend Heating, Home Heating Systems

Ferroli Optimax HE 38C No CH and HW switching on/off?

The boiler will sit waiting for HW demand, will supply HW mostly but sometimes display just goes off (so does ... [Read more]
Mend flashing combi temp

CH & HW lights flashing on Worcester 400 Highflow combi?

The CH and HW lights are flashing. Sometimes if you turn the HW temp dial up then down again the HW one stops,... [Read more]
Mend ideal classic rs 60

Ideal Classic RS 60?

Pilot is alight, CH indicator shows red when 'On' selected OK, but HW indicator will not show red when 'On' se... [Read more]
Mend switch supply light

How can I fix my Maxi 105e?

When I switch on to heating and Hot water (CH & HW) The supply light is on, The CH &HW light is on.The Pump ... [Read more]
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