Electrical – New thermostat for electric radiant ceiling heat

electricalheatingthermostat

I live in the Pacific NW where radiant ceiling heat is common in older homes. I a have home built in 1969 and want to upgrade the thermostat to something newer that we can program and save money. This should a be easy fix it would thing but having a hard time figuring out what thermostats would work with my system. I have a King Thermostat Model m601 Single Pole LR10499 22A-120/v240;18A-277VAC. So I think I need something that matches those numbers, the problem is there are 2 sets of them and not sure which I have, and finding ones that support both seems harder and I just keep finding ones like what I have inaccurate analog thermostats.

Best Answer

I figured it out and installed a new thermostat today, wish I could have figured it out at the beginning of the heating system. I figured out what the Single Pole LR10499 22A-120/v240;18A-277VAC means. I just had to think about it longer. So it means 22 amps for 120/240 Volt system or 18 amps for 277 volt system, and since I am in the america 277 does not matter. So I need something for 22 amp system. The next part was to figure out the voltage. I looked the breaker box and the heating system was on a double breaker so that means I need a 220/240 thermostat. I ordered a King ESP230-R Electronic Line-Voltage from amazon. I found the king page has a lot info on there thermostats.

I hope this helps someone else and they can too start saving the plant and there wallet!

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