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We have 73 questions about mending 'central heating works hot water cold'

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Mend Heating, Home Heating Systems

how can i fix my baxi combi instant 105E?

CENTRAL HEATING WORKS OK, BUT HOT WATER GOES COLD AFTER A MINUTE OR SO
Mend Heating, Home Heating Systems

how can i fix my glowworm swiftfow 80?

every time i turn the heating on, it starts up fine but only runs for about 10 min`s then goes out but the pil... [Read more]
Mend Heating, Home Heating Systems

Central heatin only works with hot water on?

I have a potterton boiler that only fires up when hot water is switchted on.Once water gets to required temper... [Read more]
Mend Heating, Home Heating Systems

Hot works fine and central heating is cold ( Baxi Bermuda 401)?

when i turn my timeswitch (Horstman,423 Diamond) on hot water only the boiler works fine and the water is very... [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 D.I.Y, Plumbing

hot water flow?

Dear all I have a potterton puma 80e combi boiler. The hot water from the sink tap and Bath taps runs very ... [Read more]
Mend Heating, Home Heating Systems

worcester bosch 230 combi rsf?

worcester bosch 230 combi rsf Hi I have a worcester bosch 230 combi rsf and believe the Diverter valve is f... [Read more]
Mend Heating, Home Heating Systems

worcester bosch 230 combi rsf Diverter valve?

Hi I have a worcester bosch 230 combi rsf and believe the Diverter valve is faulty. I have central heating whi... [Read more]
Mend Heating, Home Heating Systems

no water to hot water to taps?

i changed my indirect hot water cylinder it still warms the water inside cylinder but since then no water at a... [Read more]
Mend Heating, Home Heating Systems

hot water not working on my worcester 350?

central heating works fine but the hot water does not come on anymore, it used to but kept switching from hot ... [Read more]
Mend Heating, Home Heating Systems

Worcester 9.24 electronic Boiler H/water prob?

Hi The central heating works fine but recently the burner would go off a few minutes after turning on the h... [Read more]
Mend Heating, Home Heating Systems

What is causing my boiler to randomly operate the central heating?

My boiler, a Potterton Puma 80e, works fine on the hot water cycle, but randomly operates the central heating.... [Read more]
Mend Heating, Home Heating Systems

Sime super 90 no hot water?

Hi ...Central heating works but no hot water. Turn hot water tap and water is flowing but cold. Advice from ... [Read more]
Mend Heating, Home Heating Systems

Trickling hot water taps when switched on. Baxi solo, storage cylinder?

I put on my hot water and it comes out very slowly, just a trickle. This happens when i put all hot water taps... [Read more]
Mend Heating, Home Heating Systems

Hot Water Supply?

I have a 15yr old Valiant Combi Boiler, the central heating works well but it now does not deliver the hot wat... [Read more]
Mend Heating, Home Heating Systems

ravenheat 820/20 combi boiler ?

When I run the hot water tap, the water is cold, the pilot light doesn't start up, but when I put the central ... [Read more]
Mend Heating, Home Heating Systems

how can i change water filter on saunier duval?

My central heating works but i have no hot water, this is a combi boiler and have been told that i need to ch... [Read more]
Mend Heating, Home Heating Systems

CH OK no HOT WATER on Vaillant Turbomax VUW 242 E ?

Central heating works fine, but not hot water on any taps. When I turn the taps warm water coming for few SECO... [Read more]
Mend Heating, Home Heating Systems

CH OK no HOT WATER on Vaillant Turbomax Plus 824E ?

Central heating works fine, but not hot water on any taps. When I turn the taps warm water coming for few SECO... [Read more]
Mend Heating, Home Heating Systems

Potterton Puma 80 c/h intermittently working until warmed up?

My boiler, Potterton Puma 80 (may be an 80e as no pilot light?) has been working fine for 5 years and now it t... [Read more]
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