Heating & Gas Questions

Bleed valve stuck can I bleed radiator with lockshield valve
Heating & Gas  •  470 views  •  1 answer

The bleed valve on a radiator is not only in an awkward location at the back of a radiator close to a wall but is stuck. Radiator key does not grip and wd40 has not helped. Can I bleed the radiator by using a screwdriver to open the lockshield valve? …

3 port valve
Heating & Gas  •  466 views  •  1 answer

Hi My central heating diverter valve is passing and I need to replace it. The valve is a Salus sbmv32 but I cannot locate one locally. Can I use any 22mm 3 port valve to replace it? Thanks

10mm microbore to 15mm copper pipe.
Heating & Gas  •  443 views  •  1 answer

Hi, All 7 of my radiators are fed with 10mm microbore from a combi boiler but over time have become bent, warped and unsightly. All work fine but can I change the last foot or so of the feeds to 15mm copper pipe for aesthetic purposes using a 10mm to …

Double or single radiator - confused
Heating & Gas  •  442 views  •  3 answers

Hi! I need to get a radiator that emits min BTU of 3985. I’ve found one I like, it comes in: - 550mm x 826mm double - 4651 BTU - £232 550mm x 1180mm single - 4131 BTU - £219 Both fit the space; they both say ‘wall to face …

How to get new radiators to heat up?
Heating & Gas  •  439 views  •  3 answers

I had 2 new radiators installed in sept 2022 but they dont heat up. I have bled them to release air but still nothing. The only way they heat up is if we close all the valves on the upstairs level of our house. We also had an expansion vessel …

Radiator not working as used to
Heating & Gas  •  430 views  •  1 answer

Had system boiler replaced for combi boiler and one of my radiator is very hot on the top and warm on the bottom, what can it be the problem.

Blocked Cold Feed Pipe
Heating & Gas  •  426 views  •  0 answers

I have a gravity fed system. I have drained my system via the two drain cocks on the outside of my property. On trying to refill my system I noticed that no water was entering my radiators. It appears that the cold feed pipe leading out of my F&E tank …

Danfoss wireless thermostat
Heating & Gas  •  415 views  •  1 answer

I have a danfoss wireless set up for my heating, I have mislaid thermostat. Can these be bought individually to connect up to the receiver I already have? Or do I need to replace both?

Temperature in combi boiler
Heating & Gas  •  415 views  •  1 answer

The temperature numbers on my boiler keeps going up and down rapidly when got to correct temperature on my nest app

Bath only has fully hot water when central heating is on
Heating & Gas  •  414 views  •  1 answer

I live in a flat with a communal heating system and an MHS boiler in my flat. The kitchen and bathroom taps have hot water (though in the case of the kitchen tap it can take a little while to heat up but after that it will stay on. Similarly …