Briidea 220V/240V On/Off Switch Electric Heating Relay with Built-in 24V Transformer, Replacement for Any Relay, Compatible with 24V Thermostat

I had installed another known brand similar device which failed after 4 years. With most active devices, it failed to full heat position, not ideal for energy consumption. This device has a convenient indication light, nice for troubleshooting. I used a separate 24vac source to power the Tstat, more than the internal power available from this device, since I needed a constant source to allow Redlink communications for this Tstat and have remote connectivity. Overall, quiet, works well. Installed in wall enclosure behind a hinged door.

I purchased 2 of these units. The contactor box is compact and easily fit inside my garage heater housing. I mounted the contactor to the outside of my baseboard heater on one end. I hooked up WiFi thermostats to the 24-volt side. The built in 24volt supply worked great. Now i can control my garage heat remotely at my mountain home to accommodate overflow skiers. My makeshift garage office with the baseboard heat is also controlled with a thermostat that is on a schedule for my work day. This was the only compact relay i could find with the built in 24v transformer at a reasonable price.

After using another brand of this device, I was thrilled with the lower price for the same specs, but was a bit disappointed discovering the length of the control wires, which is way too short to reach any thermostat. It was easy to extend them, but why create an additional point of failure when the wires could have been about 6" longer. Also disappointing was the lack of a way to mount it to the j-box using a standard 1/2" collar nut.Installed and working great, but it could have been easier...

I was able to use this to control a 240V load of 3 baseboard heaters (wired in parallel) from an Ecobee3 smart thermostat. I simply wired it up according to the provided diagram and everything worked perfectly. There's even a green LED light on the unit that indicates when it's activated.Note that if you plan to use your thermostat to control both baseboard heating (via this device) *and* an AC unit for cooling, this is considered a "dual transformer" configuration. In that case, the C wire must come from the cooling unit, not the heating unit, so you should use the 2-wire configuration (R and W only) for this device and leave the C (brown) wire disconnected.

After a long search for a relay to operate a 110V space heater with a typical thermostat, I found this. There wasn’t much information on 120V operation. Hooked it up…it works.Update: One of these two units is failing almost immediately after putting it to use.

What we needed at a decent price

Line voltage thermostats have not evolved like 24 volt thermostats have. This device allows you to use more advanced thermostats which hold the temperature AT the setpoint desired. Will switch 22 amps 240vac quitely.

I used it so I could control my 240 volt Cadet heater with a standard Nest (Google) thermostat. I cut the two mounting tabs off so that it would fit in the outlet box behind the thermostat. It all works great.