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Review on Universal 24V 40VA Thermostat / Doorbell Transformer: Compatible with Honeywell, Nest, Sensi, Ecobee, Nest Hello, and Ring Doorbells by Bishnu Bush

Revainrating 1 out of 5

Failed After 4 months

Installed easily back in early December 2019 on a ring video doorbell circuit. Everything worked perfectly for the first 3 months and then it died. Tested the transformer with a multi-meter and no power output with confirmed power input. I expected it to last many years but since it did not I have to give this a 1 star. Don't waste your time with this transformer, the quality is not there.

Pros
  • THERMOSTAT TRANSFORMER - A perfect device to operating Honeywell Smart WiFi Thermostat, Sensi Thermostat, Ecobee Thermostat, and Nest Thermostat. Perfect Honeywell 24v transformer
Cons
  • Transformer may produce a noticeable or distracting electrical smell