Allows control of two wire heat-only systems. For use with the T1100REC Wireless Thermostat Receiver. Contains a plug in 24v transformer and a relay. Easy installation.
250 ohm, 10 watt power resistor allows a thermostat to "power share" when using only 4 wires (R,G,W,Y). Installed in the furnace as shown in Troubleshooting.
This Locking Ring prevents the front door on a Venstar Slimline Platinum thermostats from being opened by unauthorized users. Override, Up/Down buttons are accessible on commercial thermostats while using locking cover.