I am wiring the sensor (equipment interface module) to the the heat/ac unit. It is a class 2 remote thermostat. what gauge wire should i use for this
Usually 24 ga is standard from the remote receiver (where the old thermostat as mounted) to the control board of the heat/ac unit.
www.ultimatehandyman.co.uk shows how to install a wireless room thermostat to a combination boiler. Wireless room thermostats can often save fuel ...
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> Wireless Fireplace Therm 
The new Islandaire EZ Touch wireless remote wall thermostat is now available. Contact your salesperson.
> Wireless 
> Wireless Fireplace 
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