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Electrical

Installation of a water heater

Anonymous user 01/03/2024 - 2.52 PM

I wish to install a 3.7kw instant water heater to a cloakroom basin can I connect it to a fused spur off the ring main or do I have go back to the consumer unit

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2 Answers

Electrical Safety Services

Rating: 5 out of 5
Dereham
3.7kw is too high a load to connect to the ring, so yes a 20amp radial circuit will need to be run back to the distribution board. The circuit will need to be RCD protected as per BS7671:2008.
Answered27 July 2015
0

Anonymous user

Need to go back to the consumer unit run a radial circuit with 20 amps circuit breaker at least (15amp will do as well) control by a fuse switch 15a as well,to be protected by rcd.
Answered18 October 2017
0