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We have 165 questions about mending 'domestic hot heating'

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Mend Heating, Home Heating Systems

Ravenheat combi boiler continually firing then shutting down?

My 3 year old Ravenheat CSI 85A combi boiler developed the following fault: Firstly, the domestic hot water w... [Read more]
Mend Heating, Home Heating Systems

Glowworm ultimate 60ff is not heating water?

Our glowworm ultimate 60ff is not heating our water. The central heating is working, but the domestic hot wat... [Read more]
Mend Heating, Home Heating Systems

how can i fix my no domestic hot water on Ravenheat 100ET?

The domestic hot water only gets hot when the central heating is on
Mend Heating, Home Heating Systems

Only get hot water when heating is on with Vaillant Combi boiler?

I am unable to get hot water when switch is set to domestic hot water. However I am able to get hot water whe... [Read more]
Mend Heating, Home Heating Systems

ferroli combi boiler HE31C?

i have no domestic hot water coming through taps central heating working ok can u tell me the problem if i can... [Read more]
Mend Heating, Home Heating Systems

lp112 programmer is live and display works but is not giving an output to t?

Hi I have been asked to look at a domestic heating system, the boiler is Johnson stanley, the programmer is dr... [Read more]
Mend Heating, Home Heating Systems

domestic hot water problems baxi 105e?

when i turn on hot tap boiler fires as normal the water heats up normally but there is a squeeling noise from ... [Read more]
Mend Heating, Home Heating Systems

what is the problem with my baxi combi 80eco?

when the boilers selector switch is positioned to both the central heating and domestic hot water position i s... [Read more]
Mend Heating, Home Heating Systems

Glow Worm Compact 80E switches on without the tap !?

This morning I heard clicking and went to the boiler and noticed the domestic water heater switches on and off... [Read more]
Mend Heating, Home Heating Systems

primatic cylinder?

how does the hot water on the domestic side keep hot,is it like a double feed indirect cylinder?only the flow ... [Read more]
Mend Heating, Home Heating Systems

Radiaters heat up when domestic supply is running?

The boiler only heats the domestic hot water if the central heating is switched on, if the heating is switche... [Read more]
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when I turn on hot water tap, I hear a big noise, like a explosion?

My boiler is (worcester bosch 28i RSF), and it is 6 years old by now, regularly has been serviced and works wi... [Read more]
Mend Heating, Home Heating Systems

I have hot water overflowing into the loft expansion tank?

I had a new cylinder fitted in December 2009 and the plumber also upgraded the 3way valve to an electric one. ... [Read more]
Mend Heating, Home Heating Systems

very little hot water?

i have a worcester 9.24 combi boiler heating is fine,but hardly any domestic hot water,shutting down,all the t... [Read more]
Mend Heating, Home Heating Systems

Vokera linea ag plus. Domestic hot water cycling hot and cold?

I have the same problem with taps or showers. Checked again and its not just the showers, hot tap turned on an... [Read more]
Mend Heating, Home Heating Systems

how can i fix my boiler vokera?

i can get hot water for my central heating but not for domestic
Mend Heating, Home Heating Systems

Vokera Linea 28 combi boiler DHW problem?

My central heating works fine on the boiler, but the domestic hot water (DHW) does not, barely gets above 30 c... [Read more]
Mend Heating, Home Heating Systems

domestic water temp goes from hot to cold to hot all the time?

I have an Ariston Eurocombi boiler. The domestic hot water cycles from hot to cold to hot regardless of whethe... [Read more]
Mend Heating, Home Heating Systems

Ravenheat RSF 100ET dhw ?

domestic hot water goes hot then cold, central heating works ok, 3 way valve appears to be working ok. where w... [Read more]
Mend Heating, Home Heating Systems

Jaguar 28k combi boiler?

Jaguar 28 kw .I have to refill to bar setting after each central heating program which shows FO , ... [Read more]
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