This is a Endurance Pro 24V 40VA Thermostat and Doorbell Transformer, Power Supply Compatible with Nest, Ecobee, Sensi, Honeywell Thermostat, Nest Hello Doorbell and All Versions of Ring Doorbell. 

Specifications:

  • Primary: 120V
  • Secondary: 24V, 40 VA Terminals
  • Input: 120V/AC, 60 HZ
  • Output: 24V/40VA
  • 3.5 x 2.2 x 2.8 inches
  • 1.88 pounds


    • Compatible with: Nest, Ecobee, Honeywell, Sensi smart thermostats. 
    Fits: Ring Video Doorbell, Ring Video Doorbell 2, Ring Video Doorbell Pro, Nest Skybell Doorbell 

    Manufacturers’ part numbers are solely for identification. All materials supplied by us are our replacements for manufacturers’ parts. All product and company names are trademarks or registered trademarks of their respective holders. Use of them does not imply any affiliation with or endorsement by them.

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    Manufacturers’ part numbers are solely for identification. All materials supplied by us are our replacements for manufacturers’ parts. All product and company names are trademarks™ or registered® trademarks of their respective holders. Use of them does not imply any affiliation with or endorsement by them.