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Mend Valve Heating Water

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Mend pressure heating relief valve
3

worcester 24i boiler?

why dose my pressure go up when heating is running, is this normal it set at 1.5 goes up to 2.4 and opens th... [Read more]
Mend pressure heating system
1

Sime Friendly - Fluctuating Pressure Guage?

Hi, Apologies in advance for my lack of technical terminology, I'm no plumber. I've got an 'issue' wit... [Read more]
Mend boiler central heating gas flame
4

My CH boiler keeps blowing out when its windy outside!?

Hi, I hope someone can help me with this one. I have an old Baxi Wm 381 RS CH boiler in a house we just moved ... [Read more]
Mend boiler heating fault
2

How can I fix my potterton netaheat electronic 10/16?

When I turn my heating on the Gas boiler fires up and I can hear the pump turn on but none of the radiators he... [Read more]
Mend valve boiler central
1

How can i change the valve in my Vokera Excell 80SP combi-boiler?

I have a Vokera Excell 80SP combi-boiler in my house. We have it serviced every 6months and about the time we ... [Read more]
Mend boiler relief valve fault
1

Fault in Boiler Potterton Puma80?

When I turn the heating on the pressure gauge goes up in the red mark area. And the boiler water goes out by t... [Read more]
Mend combi boiler low pressure heating system
1

baxi combi instant 105e?

i have recently turned my heating on for the winter it worked initially then stopped on low pressure found pre... [Read more]
Mend boiler radiators combi
6

no flow from combi boiler to radiators?

Baxi Genesis 80 - hot water ok but all radiators cold. When CH is switched on, the system fires up and the... [Read more]
Mend divertor valve combi hot water
1

vaillant gb221h combi?

Domestic hot water fine. When heating calls for heat, the divertor valve plunger pulls in to the valve very sl... [Read more]
Mend central heating hot water banging
3

how can i fix my myson apollo boiler?

i turned off the hot water and left the central heating on. this morning my heating worked for about 30 mins a... [Read more]
Mend boiler heating resetting
11

Potterton Profile 50e - keeps resetting?

My profile 50e resets itself at least once/twice a day which means I can't rely on it to heat water first thin... [Read more]
Mend 80 hot checked
1

Sime 80?

My Sime Format 80 was not giving any hot water but the heating was OK. I checked the diaphragm and it was dam... [Read more]
Mend combi boiler gas valve heating
1

worcester 230 pilot light lights but nothing else?

i have a worcester bosch 230 rsf combi boiler. when a demand is created (ch or hw) pilot light ignites and sta... [Read more]
Mend boiler central heating pressure
5

potterton puma 80e(pressure buildup)?

when central heating running the boiler pressure just keeps on rising until water is released from P.R.V. C.H.... [Read more]
Mend boiler heating vaillant
1

Why can't I get hot water for the shower from my Vaillant boiler?

I have a Vaillant turbomax VUW 242E/282E (not sure which) and I just had a re-occurence of a problem in gettin... [Read more]
Mend switched diverter valve
3

Puma 80 overheats and shutsdown when DHW switched off?

This 8 year old Potterton Puma 80 has had first a new diverter valve fitted, and now a circuit board, but stil... [Read more]
Mend central heating diverter valve honeywell
1

no central heating?

have got hot water but no central heating only when hot water on could it be the 3 postion diverter valve on m... [Read more]
Mend combi boiler heat exchanger boiler problem
3

Ravenheat hot water problem?

Hi I have a ravenheat rsf 20/20 combi boiler, and we can only seem to get hot water out of it when the heating... [Read more]
Mend water pressure heating
1

How can I stop my Potterton 80e from losing water and pressure?

My 80e loses pressure as soon as the central heating is run, have fitted a new pressure rlief valve. Pressure ... [Read more]
Mend central heating boiler heating system
2

Cental heating ok, no hot water?

Potterton Netaheat Profile central heating fine, boiler seems to be heating the water ok to the storage tank,... [Read more]
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