Solar hot water, me too

Author	Message
Murphy's friend Guru Joined: 04/10/2019 Location: Australia Posts: 629	Posted: 08:29am 05 Mar 2023         Godoh said   It looks very neat. Just a query , how is the thermostat in the hot water system going to handle DC. Won't it arc too much when it turns on and off? Pete Pete, the thermostat just switches 12V DC. Here is the schematic so you can see how it does that: