Mend > Home Heating Systems

wiring stat to baxi?

diagram for connecting honeywell thermostat to a baxi combi 105e

How do I replace a heat exchanger?

How do I replace the heat exchanger on a Halstead Finest Gold?

Baxi 105e c/htg cuts out of its own accord?

No problem on hot water. C/htg does not cut in if temp lights display a high temp. To get the boiler running... [Read more]

My combi boiler wont work .... low water pressure????

Our Britony combi SE Boiler by Chaffoteaux & Maury wont switch on the fault code is saying that there is low ... [Read more]

How can I fix my Glow Worm Swift Flow 80 ?

How do I check that the Fan is working ? How do I know if the Thermocouple isn't working ? My daughter's... [Read more]

potterton prima 60c pilot light keeps going out?

Can anyone help, the overheat thermostat reset button keeps popping out and extinguishing the pilot light, I h... [Read more]

upstairs radiators cold downstairs hot?

i have a glow worm compact central heating system just recently the radiators on the first floor of my home do... [Read more]

no hot water!?

I have a Glow-worm swiftflow 100 we have heating but no hot water can you help!!..

potterton puma combi boiler ,lockout red light comes on,often?

My combi boiler a Potterto Puma 80e works fine but is tempramental.After about 3-4 hrs the lockout red light c... [Read more]

My Myson central heating pump is knocking/ rattling?

When my central heating is running, the pump has started to make a rattling sound. Is it an air lock or is the... [Read more]

How can I fix a Sime format 80 system?

It started off being only able to get hot water when the CH was on. Now, when the hot water tap is opened the ... [Read more]

hot water?

since a plumber came round to service our boiler he turned the pressur either up or down on the water by a swi... [Read more]

Fault with my Glow worm Micron 50ff ignition?

When I start the system up the burner light and heating comes on for about 1/2 hr, but then turns itself off a... [Read more]

Valiant Combi Compact Boiler Nightmare?

Hello, can anyone help me please? It's looking like I'm going to have to call out a plumber and I cant afford ... [Read more]

Starter not working?

I also have a sime friendly format 80e and it has stopped firing up, it clicks but wont fire? I assume its the... [Read more]

The radiators furthest from the boiler are both cold. Help?

The two radiators that are furthest from the boiler are both cold. One gets slightly warm but the other is ju... [Read more]

Potterton 100e Boiler - making unusual purring sounds?

I have recently noticed that the boiler has begun making a purring or whirring noise. This happens when the... [Read more]

no hot water?

vaillant turbomax vuw gb 242 e/282 e .the hot water is luke warm, also the hot water pressure as become very p... [Read more]

vaillant 242 eh combi/boiler leaking at the b t m.john?

please can anyone help me the heating engineer told me that my d. h. w.heat exchanger was leaking water also m... [Read more]

potterton kingfisher mf control lights not on ?

electric power on but control switch not lighting/activating gas boiler