Cool 2wire Thermostat Wiring Diagram. 01 18 2011 08 23 pm 2. Blue this is your common or c wire.
Furthermore this thermostat wiring diagram is specifically for a system with two transformers. Collection of walk in cooler wiring diagram. 2 wire thermostat wiring diagram heat only inspirational taco sr503 2 wire thermostat wiring diagram heat only.
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Wiring a thermostat is a simple step by step process that anyone can do. Furthermore this thermostat wiring diagram is specifically for a system with two transformers. Thats why we only need two wires. Note that the only load that has a complete loop is the heat fed by the w wire.