2 Wire Honeywell Thermostat Wiring Diagram. There are two things which are going to be found in any honeywell thermostat wiring diagram. The heating system must be appropriately fused for attached appliances.
Our wiring diagrams section details a selection of key wiring diagrams focused around typical sundial s and y plans. Programmable thermostat wiring diagrams connections for room thermostats how to wire fast stat installation heat only nest 2 1000 and common maker combination boilers floor furnace hvac problem solver diagram 3 honeywell help a page 1 wifi doityourself com 4 or 5 control zone valve with coleman two detailed which. But the new honeywell home thermostat from the ops picture is battery powered and acts effectively as just a switch and doesnt require a neutral.
Honeywell thermostat rth2300b wiring diagram hook up the blue wire in the furnace cabinet where the blower section and the other thermostat wires are connected to the furnace.
At left the thermostat wiring diagram illustrates use of a honeywell t87f thermostat in a 2 wire application controlling a gas fired heating appliance. So i think the greenyellow should go to terminal a and the brown to. Use a 5 amp fuse for oil where appropriate. You could actually use any honeywell thermostat that gets its power from batteries but you might be paying for functionality that you wont use.