heating

Not sure this is the right place, but here goes... Recently moved in as 2nd tenants to a new build, it has a Vaillant combi boiler, and dual zone thermostats - never had 2 thermostats before. Whilst the boiler is in the kitchen there seems to be thermostat labeled pipes and control in the...

I have taken a boiler out of a Rayburn and need renew the fitting. It has a straight male to male threaded fitting where a 28mm brass compression fitting will screw onto it. It seems though that the thread on the fitting coming from the boiler is possible an imperial one which might explain why...

Hi all, Per title - recently went on holiday for a week and we came back to the worst smell of damp in the ensuite bathroom! We’ve never noticed before - new build, moved in early April 2022 as a brand new property. We always have the window open (or at the very least the window vent) and...

I recently purchased a property and have zero idea on how the gas/boiler system works (photos attached). Hoping for someone with more expertise to give some advice as I've no one else to ask. Boiler with valve & switch: Boiler brand on top: Pipe with meter & valve directly below boiler...

The oil that comes through the copper pipe connects to a steel pipe about 10cm long that goes to the burner but that pipe has a bore of around 8mm, is this too big? I cleaned all the carbon build up in that short bit of pipe expecting to reveal a hole of around 4mm not 8mm?

Does a rayburn that heats water in this case to one radiator and the cylinder I think have a separate header tank? I haven't looked properly yet but I can see the over flow from the rayburn goes to the main water tank?

Hi everyone, hoping to get some advice on some Vaillant boiler models. Looking to get an Ecotec with the stainless steel heat exchanger, but can’t find any info on differences between the Sustain and Pro models. Anyone know what the difference is here? Thanks

A tradesman has drilled through joists for heating 22mm pipes. One joist looks particularly bad as I think they are too large holes as shown in photos. I need some advice to feel reassured if this is normal and can leave it as it is or if the joist needs some reinforcement with steel plates or...

Hi I am about to order a new oil combi boiler and installation, and I am confused over what size boiler. I got three quotes, two of which quoted in person and said two different sizes. One suggested 18/25 and the other a 26/35. Putting aside the cost difference of the boiler, the engineer...

Hi, I’m looking to install a hive to ideal mini c24 boiler. Combi boiler I know the live, neutral and earth are taken from the boiler. It’s the other wires that have me stumped as the ideal has 2 wires for a stat. any tips are appreciated.

Need some advice as to how to wire up my new Smart Thermostat (picture 1 below) My Old Thermostat has three wires red, blue and yellow( taped red for live) and runs on 3V (see picture 2) The new Smart Thermostat needs 240V independent for 3 and 4 as it is a dry contact. Just need...

Hi When my central heating is on all the radiators seem to work fine however when the heating goes off the boiler stays on and the upstairs rads stay hot but downstairs go cold. I did have a new rad fitted in the upstairs bathroom about 6 weeks ago could be part of the problem? Thanks in advance

Hi, I need to replace my receiver for my central heating which is broken. The thermostat that it's been connected to is a Danfoss tpone-rf 087N785300. Does anyone know what makes/models of receiver can I use with this? Will any work or does it have to be a particular one? Thanks. PS. It's cold!

Folks, looking for some advice, originally posted in plumbers forum, but I think that was the wrong Screwfix forum to post this question, so hopefully get a response here... Downstairs bedroom.is 2.75m x 3.5mx 2.7m high 2 external wall (brick cavity with cavity wall insulation. One double...

Folks, looking for some advice Downstairs bedroom.is 2.75m x 3.5mx 2.7m high 2 external wall (brick cavity with cavity wall insulation. One double glazed window 1150mm high x 1200mm wide Radiator used to be at the door on left as you walked in, opposite the outside wall with no window...

Hi Our home doesn't retain heat in the bedrooms, we had all upstairs windows replaced last year. The biggest room is 3.5 x 3.26 and the smaller room is 3.03 x 2.60. They have single panel radiators in and we have the heating on for a couple hours in the morning and a couple hours in the evening...

Hi I've just moved into a house and the existing room thermostat is held together with sellotape. It's a Drayton Combistat. I wanted to replace it with a Honeywell DT4 1 channel wired thermostat. Is that possible ?, the reviews are the wiring diagrams are not helpful. So I've attached a...

Hello, A few days ago we started working on a property that was recently tenanted. The tenant had not mentioned any heating issues but the house is not getting warm enough. The boiler is a Ideal Logic Combi2 C24 connected with a Honeywell Home thermostat system. At first there was no heat, then...

I have a toilet downstairs without a radiator, it’s always cold in there, when heating the rest of the house that room doesn’t heat up. Once open the door it cools down all the halway, and keeping the door open whilst heating blocks the entrance to kitchen. Can I install vents top and bottom of...

Hoping for a bit of assistance. I have two rads in my loft hot at the bottom but cold at the top. I have a vented system with 10 radiators in the system. All of the rads on the ground floor and first floor are working perfectly. The issue is the two in the loft. They are hot at bottom and cold...