Spark123 said:But don't forget to change it at the weekend...
Well with that in mind, I need to clear up one other thing. Can I just replace the current fused spur for a DP switch given that the heater is 1.3m from the bath & 0.9m from the sink?
In other words, I think the heater is in Zone 3 - so does this allow the use of a DP switch?
Thanks in advance.