Water supply to direct un-vented hot water cylinder.
On Saturday, 14 April 2018 18:27:01 UTC+1, Roger Hayter wrote:
Do you actually need a sustificate to work on such a system, or just to
sign it off for BC?
AIUI both, a sustificate to comply with Water Regulations, and to sign it off for BC (or membership of a scheme to self-certify it to BC)
Owain
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