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We have 285 questions about mending 'boiler runs problem'

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Mend Heating, Home Heating Systems

fitting new heat exchanger?

boiler is fitted in the kitchen, where the hot water is fine. but it runs 4 metres into the bathroom where ... [Read more]
Mend Heating, Home Heating Systems

Micron 60FF snag (Glow Worm)?

Hi all. Micron 60FF playing up. Boiler works fine but ignores the thermostats and runs almost continuously u... [Read more]
Mend Heating, Home Heating Systems

how can i fix worcester-bosch greenstar 25si?

when the heating is on the boiler normally runs at 1 bar pressure but now for some reason when the heating is ... [Read more]
Mend Heating, Home Heating Systems

boiler problem vokera ?

boiler ignites, sometimes runs all the time and other times red light comes on i restart the boiler runs for a... [Read more]
Mend Heating, Home Heating Systems

Vaillent ecoMAX dodgy water temp?

I have a Valient ecoMAX condensing boiler, when I run the bath or shower the water runs hot for abour 3 mins a... [Read more]
Mend Heating, Home Heating Systems

worcester 24i heating problem?

have had boiler for a few years and alway been plagued with air in boiler,recently replace pressure releaf and... [Read more]
Mend Heating, Home Heating Systems

our Junkers eurostar combi boiler which runs on bottled gas is cutting out?

our villa in spain has a junkers eurostar combi boiler which runs on bottled gas and we were having problems w... [Read more]
Mend Heating, Home Heating Systems

potterton profile 80 keeps locking out?

potterton profile 80 keeps locking out after about 5 mins it fires fine but i have to wait a few mins before... [Read more]
Mend Heating, Home Heating Systems

F 9 fault on Ultracom 30sxi?

I regularly get th F9 fault indicator . It is not described properly in the manual. The problem seems to be di... [Read more]
Mend Heating, Home Heating Systems

Pressure Drop?

I have a Grant Combi 90 Mk II boiler and approx 5 years ago had a tiger loop (GOK GS2000) fitted internally ne... [Read more]
Mend Heating, Home Heating Systems

boiler cuts out?

boiler runs fine on hot water side but when heating is on only goes up to 30 degrees then cuts out with neon l... [Read more]
Mend Heating, Home Heating Systems

problem with boiler?

i have a firebird heatpac slimline oil fired boiler sighted outside, The problem is that it fires up runs for ... [Read more]
Mend Heating, Home Heating Systems

Potterton Performa 30 HE Central Heating Sensor?

Hi all, I'm experiencing some intermittent problems with my Potterton Perform 30 HE. If anyone could advise... [Read more]
Mend Bathroom Appliances, Baths and Showers

Is this a coincidence?

I had a thermometer fitted to my feroli boiler, since this has been fitted my myra shower now runs boiling ho... [Read more]
Mend Heating, Home Heating Systems

Heating/Hot Water Problems with Ravenheat RSF100ET?

Hi Original problem was not very hot DHW, but burner running flat out. Changed both DHW and CH thermistors, ... [Read more]
Mend Heating, Home Heating Systems

blowdown running constantly?

the pressure relief valve on my combi boiler runs every time a hot tap is opened or the central heating is run... [Read more]
Mend Heating, Home Heating Systems

my Vokera Linea 24 Combi Boiler hot water runs hot and cold?

when I turn my hot water tap on it runs hot the after a short while goes cold then start running hot again, an... [Read more]
Mend Heating, Home Heating Systems

potterton boiler trips main rcd in house, what is wrong?

I have a potterton Boiler Suprima 50 (which has had the pcb changed about 12 months ago) How ever a new proble... [Read more]
Mend Heating, Home Heating Systems

alpha 280e problem?

hello guys . this boiler has started screaming when the heating fires up ,and when hot tap ran . took cover of... [Read more]
Mend Heating, Home Heating Systems

Problem with Worcester boiler pump?

I have a Worcester 28CDI boiler and i recently replaced a faulty pump. However, the new pump seems to operate ... [Read more]
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