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Mend Hot Water Heating Circuit

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We have 118 questions about mending 'hot water heating circuit'

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Mend Heating, Home Heating Systems

Cannot fill Vaillant Turbo Max plus 824E ?

No pressure indicated on gauge and yet Radiators appear to be heating ok. Switching on Hot water Tap brings on... [Read more]
Mend Heating, Home Heating Systems

Cannot fill Vaillant Turbo Max plus 824E ?

No pressure indicated on gauge and yet Radiators appear to be heating ok. Switching on Hot water Tap brings on... [Read more]
Mend Heating, Home Heating Systems

Britony 80 Combi Boiler?

When I set the timer for the central heating to come on (manual clock) it attempts to ignite but keeps trippi... [Read more]
Mend Heating, Home Heating Systems

Brotony Combi SE, flashing 60 light?

According to the 'helpful' manual, it says the 'ionisation circuit board is faulty' So, which ones that. We... [Read more]
Mend Heating, Home Heating Systems

very intermittent hot water?

I have falcon 2 combi, heating circuit ok but when it calls for hot water it fires up for approx 30 seconds th... [Read more]
Mend Heating, Home Heating Systems

Boiler fires up when demand for hot water but doesn't when demand for C/H?

I have a Potterton Netaheat Profile 80e boiler, Honeywell V4073A mid-position valve, Honeywell ST699B programm... [Read more]
Mend Heating, Home Heating Systems

Ravenheat Fan Combi Boiler CSI85?

We have a Ravenheat Fan Combi Boiler CSI85 which we are having problems with. It seems to go through its cycl... [Read more]
Mend Heating, Home Heating Systems

Pipework Mix Up?

Hi there I recently relocated some pipework so that I could fit more ceiling joists to reinforce our loft conv... [Read more]
Mend Heating, Home Heating Systems

re boiler noise?

The 22ml heating circuit pipes get hot as well as few rads before the boiler sounds like a kettle about to bo... [Read more]
Mend Heating, Home Heating Systems

Baxi 105E?

When I turn on the hot water the boiler lights up but after about a minute it shuts down and then relights whe... [Read more]
Mend Heating, Home Heating Systems

glow-worm flow switch problem and leak?

i have a glow-worm swift flow 100 and two separate problems. the first is the pressure loss, it after the heat... [Read more]
Mend Heating, Home Heating Systems

Glow worm compact 100e combi - red light on when cold?

When our Glow Worm Compact 100e combi boiler is cold (i.e. first thing in the morning), the red warning lamp l... [Read more]
Mend Heating, Home Heating Systems

Ravenheat CSI 85 no DHW unless CH on?

Hi, I have a problem with a Ravenheat CSI 85 (18 months old) which will only give DHW when the CH is on. ... [Read more]
Mend Heating, Home Heating Systems

vokera options boiler fault ,please help?

my vokera options boiler cuts out after 10-15 seconds ,the flow pipe at the boiler gets very warm but rads not... [Read more]
Mend Heating, Home Heating Systems

Glowworm back boiler & open fire Problems with lighting & Dust?

We have had our glowworm inset bbu50 open fire and back boiler for 7 years. We have had numerous problems, 2 ... [Read more]
Mend Heating, Home Heating Systems

Potterton combi 80?

I have a pottrton combi 80 boiler. The hot water is fine. The central heating will fire up but after a coupl... [Read more]
Mend Heating, Home Heating Systems

How much is a circuit board for a Valliant combi heater?

Hi there! I have a Valliant combi heater VCW 20/1 T3 WH Unfortunately it has recently broken down. The m... [Read more]
Mend Heating, Home Heating Systems

Worcester Bosch Combi 350 Boiler keeps cutting out?

Hi there, We have the above named boiler and have had 2 WB technicians in this week to look at it and neith... [Read more]
Mend Heating, Home Heating Systems

F24 misbehaving?

For some time, there has been an intermittent problem of the HW tap in the kitchen failing to cause the boiler... [Read more]
Mend Heating, Home Heating Systems

baxi genesis 80?

intermittant fault: when using hot water only,there is none. so c/heating must be put on, then hot water works... [Read more]
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