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We have 165 questions about mending 'domestic hot heating'

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Mend Heating, Home Heating Systems

Glowworm 30ci leaking?

A couple of days ago, I noticed that the heating was off. I used the internal control to fire it up, but there... [Read more]
Mend Heating, Home Heating Systems

heating is on but no hot water?

my central heating operates fine but the domestic hot water is playing up , how can i fix boiler to supply h... [Read more]
Mend D.I.Y, Plumbing

How can I fix my Modena 102?

Domestic hot water is OK but when all hot water taps are closed - CHW standby flashes as normal but after 2min... [Read more]
Mend Heating, Home Heating Systems

domestic hot water problem Baxi 105e instant?

In all respect my boiler appears to do everything it should.No fault warnings,sounds right,fires up on demand ... [Read more]
Mend Heating, Home Heating Systems

Have a sabre 28 combi boiler cannot get hot water???

Sabre 28 combi supplies hot water to my radiators for central heating but I cannot get hot water to domestic s... [Read more]
Mend Heating, Home Heating Systems

worcester 24i rsf fault with heating?

After heatings been on for around 10 mins starts to make noise like air in the boiler ,Changed the pressure va... [Read more]
Mend Heating, Home Heating Systems

how can i fix my ls100t ravenheat combi boiler?

central heating works fine,timer ok,no domestic hot water in any position(sumer/winter)switch.boiler lighting ... [Read more]
Mend Heating, Home Heating Systems

High central heating water pressure - (Glowworm swiftsure 100)?

Hi folks, any ideas on this one? My central heating water pressure on the combi boiler keps increasing until ... [Read more]
Mend Heating, Home Heating Systems

How can i fix my Halstead Ace Combi Boiler?

Domestic Hot water keeps locking out after 10 minutes. Checked all thermo's, cleaned the DHW and still nothin... [Read more]
Mend Heating, Home Heating Systems

Which Way to Jump?

CENTRAL HEATING CALAMITY It may sound a bit dramatic, but I have a real problem and would welcome any help ... [Read more]
Mend Heating, Home Heating Systems

Combi Boiler - Heating but no hot water (Vokera Excell 80 SP)?

Hi, The above boiler was fitted in my house when I moved in. The problem was that the hot water temperature... [Read more]
Mend Heating, Home Heating Systems

Help who do I ask ?

while renovating a 400 year old property, I opted for a combi and underfloor heating. Builders son ( who said ... [Read more]
Mend Heating, Home Heating Systems

My Vokera 36he fine at heating but hot water cold?

Exellent for heating but when asked for DHW (domestic hot water) it cut the boiler out displaying fault 79 (te... [Read more]
Mend Heating, Home Heating Systems

how to fix hot water worcester 28CDi?

have got central heating section okay, but can not get Domestic hot water? could it have something do with the... [Read more]
Mend Heating, Home Heating Systems

elson hot water tank?

I drained my hot water system to clean out sludge etc.On refilling the system, the heating is working,but,no d... [Read more]
Mend Heating, Home Heating Systems

No Hot Water OPTIMA 701 gas combi boiler?

I get no hot water unless I have the heating on. I have cleaned the water filter, flowmeter and flow restricto... [Read more]
Mend Heating, Home Heating Systems

Low pressure warning light on Glow Worm Compact 100e?

Hello, I had a problem 2 years ago with my Glow worm Compact 100e, which would not switch from heating to hot ... [Read more]
Mend Heating, Home Heating Systems

I have a Baxi combi 105e delivering no hot water?

The system and boiler is just over 2 years old, I had no problems with heating or domestic water supply the fi... [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

How can I fix my Vaillant Turbomax Plus 8246 Boiler?

My Vaillant Turbomax boiler is only responding to the call for instant domestic hot water, the heating is not ... [Read more]
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