Has anyone added control of their immersion heater to their HA scheme? If so, do you know what rating the switching relay is?
As a result of my CH zoning, I'm going to have a 1 spare relay in the airing cupboard.. either 4A or 13A rated; I'd like to have the ability to boost the HW with electric on some occasions, so it seems useful to use the "spare" relay. Clearly a spare 4A wont be good enough for the immersion but, as my immersion is rated at 3Kw (ie 12.5A) I wondered if even the 13A is high enough (ie taking max consumption and adding some 'safety' margin).
If anyone else has done this I'd be interested to know if they've used 13A relays or something higher.
ta!
As a result of my CH zoning, I'm going to have a 1 spare relay in the airing cupboard.. either 4A or 13A rated; I'd like to have the ability to boost the HW with electric on some occasions, so it seems useful to use the "spare" relay. Clearly a spare 4A wont be good enough for the immersion but, as my immersion is rated at 3Kw (ie 12.5A) I wondered if even the 13A is high enough (ie taking max consumption and adding some 'safety' margin).
If anyone else has done this I'd be interested to know if they've used 13A relays or something higher.
ta!
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