🔌 Supco 90370 Multipurpose Contacts Review

I have used this in my 2 wire heating system to add "C" wire to the Nest Thermostat power supply. Wire, he was temperamental, especially when the nest often needed warmth. Because the Nest is only powered by two wires when the stove is NOT in need of heat, the Nest becomes unstable if the heater is turned on frequently and the Nest is not getting enough power. This little relay solved the problem. By hooking it up to the 24V AC transformer in the oven and cutting one of the wires to the "C"…

I bought 2 of these. One of them was to serve as a control relay to control a large relay on electrical heating tapes. The other should replace the fan relay that has been sitting there for a long time. It controls a 230 volt fan in the ventilation system. The problems started after 1-2 months. The low voltage control relay is stuck, leaving the electric heater plates on. I could hit him outside of the air manipulator and he would let go. Then after a couple of weeks I found that the fan was…

Relay worked well for Nest Thermostat to control gas fireplaces. I also had to install a 24V AC transformer. Very simple configuration: 1) The normally open side of the relay is connected to the gas fireplace switch wires. 2) 18-gauge three-wire thermostat wire (red, white, and blue connected to RH, W, and C). or on the Nest thermostat) have been pinched by the wall. The nest was a few feet from the chimney, at about eye level on the wall. Fishing the wire through the wall was the hardest part…