Honeywell TH4210D1005 Heater "thermostat 2 wire" Questions

2 wires leaving the thermostat are connected to either the white wire or the black wire of the line to open & break the circuit. The directions on the thermostat itself are written for an electrician

...2 wire thermostat any one have a wiring diagram? It is technically possible use a 2-wire thermostat with a 3-wire zone valve, but you need a single pole, double throw relay like a fan control relay ...

...thermostat two pairs of wires (2 red & 2 black) were wire to the two black wires on the thermostat. Another pair of wires (1 black & 1 red) were wired to the two red wires on the thermostat. ...

2 wire thermostat to a honeywell 5-1-1 programmable i have 2 wires coming from the wall, 1 white and 1 blue and want to wire a new honeywell 5-1-1 day programmable thermostat I connected the blue wire

...2 black . there is no such colour code on the thermostat. when I pull the control plate off the baseplate of the thermostat the fan shuts down after its cycle. I think the problem is either the ...

...thermostat work with 2 wires? Yes it will. 4 wires diagram most likely for a heater and a/c unit. Correct. 4 wires are used for both heat & a/c. 2 are usually for just heat. Attach to contacts for ...

2 black wires thermostat, which is load wire? Hi ! I have a upm htm611ah thermostat with 2 black wires coming out of it and I don't know which is the load wire that I will connect to my red wire in ...

...2 pole thermostat. I have wired everything in accordance with the wiring diagrams. The Black and Red wires from the sub-panel are connected to the two red "Line" wires on the thermostat. Then I have ...

2 Day RTH2300B Programmable thermostat to replace my old mercury thermostat for my gas fireplace. When I took of old thermostat it only has two wires. A white wire and a black wire. Can you please let

...2 wires feeding the baseboard heater from the Line Voltage Thermostat. The wires from the thermostat (One Black & one White w/black tape) will be wired to each one of the two wires (one Black & one ...