Search Results for ‘3-wire’

My first post, I am sure to have more questions in other areas. I'm in process of upgrading a home from my father's estate.It was built in the late 40's to 50's At some point its been rewired with 2-wire. I know it needs a 200 amp panel to sell or keep, but have been unemployed over 2 yrs now...

I am replacing an old, circular thermostat in our church with a Totaline P374-1700. The thermostat controls only A/C, and we chose Totaline to be reset in the same way as Totaline P374-1800's which had been installed for new A/C's elswhere in the church. The old thermostat was hooked up to 3...

I am trying to replace a broken thermostat. It is a 3 wire White Rogers, one of three zones to a hot water boiler heating system. One wire is red, one is blue, and the last is white. Every thermostat (programmable) I buy has slots for 4 wires. Can I leave a slot open? I don't have a cooling...