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Can I use a fused spur from a ring main for the permanent live on a bathroom fan and still have the switched live and neutral coming from the lighting circuit, or would that be a bad thing to do?

I am fitting a new oil tank which will be 2.25 m below the burner. I was going to use 10mm o/d pipe but the tiger loop information says that 4mm i/d pipe would be sufficient and warns against using pipe with too large a diameter. Am I OK using 10mm (8.8mm i/d) or is it likely to cause problems...

I am about to replace my Tigerloop (which has been fitted inside) with a Tigerloop Bio. The connections to/from the old one are made up of a variety of different fitings and I was wondering what are the correct fittings to use; 1/4" taper or parallel, and should I use PTFE tape on them or...

I am looking at upgrading the controls on my central heating. I currently have a fully pumped heating & hw system with a programmer & TRVs, no room stat. I am thinking of installing a programmable room stat and replacing the programmer and thought that something like a Honeywell CM927 would be...

Hi, I am balancing the heating system in the house I have just bought, I have increased the pump setting (Grundfos Alpha) to get a 12°C drop at the rad furthest from the boiler but I am now getting quite a lot of noise from some of the other TRVs. The TRVs are a mixture of Pegler Terrier & Myson...