Plumbing

jowettgeoff · 18 Nov 2003

I want to fit thermostatic radiator valves to my oldish CH system (1/2 inch copper pipes). Will valves with a 15mm brass olive seal okay?

ChrisR · 18 Nov 2003

Probably. 1/2" is slightly bigger than 15mm. The olives will fit, but sometimes the body of a fitting is too tight. I suggest you pick a manufacturer and give them a call.

NB if your system is that old it may be a single-pipe system, where all the rads are in series. If it is, you need special trv's.

jowettgeoff · 19 Nov 2003

ChrisR said:
Probably. 1/2" is slightly bigger than 15mm. The olives will fit, but sometimes the body of a fitting is too tight. I suggest you pick a manufacturer and give them a call.

NB if your system is that old it may be a single-pipe system, where all the rads are in series. If it is, you need special trv's.

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Plumbing

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