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10 Best 24v 40va thermostat ands of 2025

Save up to 28% off
  • Best Choice

    1

    24V 40VA Plug-in Transformer,Doorbell AC Power Supply Adapter with PTC Fuse - Ring Doorbell and Thermostat, Compatible with Nest, Sensi, Honeywell - (by CENTROPOWER)
    CENTROPOWER

    24V 40VA Plug-in Transformer,Doorbell AC Power Supply Adapter with PTC Fuse - Ring Doorbell and Thermostat, Compatible with Nest, Sensi, Honeywell - (by CENTROPOWER)

    9.9
    Exceptional
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  • Value for Money

    2

    BOJACK 24V 40VA Thermostat and Doorbell Transformer, Power Supply Compatible with Nest, Ecobee, Sensi and Honeywell Thermostat, Nest Hello Doorbell and All Versions of Ring Doorbell
    BOJACK

    BOJACK 24V 40VA Thermostat and Doorbell Transformer, Power Supply Compatible with Nest, Ecobee, Sensi and Honeywell Thermostat, Nest Hello Doorbell and All Versions of Ring Doorbell

    9.8
    Exceptional
    Our Rating

  • 3

    Doorbell Transformer 24V 40VA AC Power Supply Thermostat Power Adapter Hardwired Door Chime Transformer
    GIVEUBED

    Doorbell Transformer 24V 40VA AC Power Supply Thermostat Power Adapter Hardwired Door Chime Transformer

    9.7
    Exceptional

  • 4

    EPLZON 24V 40VA Thermostat and Doorbell Transformer, All Versions of Ring Doorbell
    EPLZON

    EPLZON 24V 40VA Thermostat and Doorbell Transformer, All Versions of Ring Doorbell

    • Power Rating:40 VA
    • Usage:Thermostats and doorbells
    • Input Voltage:120 VAC, 60 Hz
    • Compatibility:Honeywell, Sensi, Ring, Nest
    • Mounting Type:Screw down and thread clamps
    9.6
    Exceptional

  • 5

    24V 40VA Thermostat and Doorbell Transformer, Power Transformer Compatible with Nest, and Honeywell, and Ecobee and Sensi Thermostat, Nest Hello and All Versions of Doorbells
    WUYELIN

    24V 40VA Thermostat and Doorbell Transformer, Power Transformer Compatible with Nest, and Honeywell, and Ecobee and Sensi Thermostat, Nest Hello and All Versions of Doorbells

    9.5
    Excellent
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  • 6

    Hotop 1 Pack 24 Volt Transformer, 40 VA AC Transformer Plug in with PTC Fuse Compatible with All Versions of Ring Doorbell and Thermostat, Compatible with Nest, Ecobee, Sensi/Honeywell/24V Adapter
    Hotop

    Hotop 1 Pack 24 Volt Transformer, 40 VA AC Transformer Plug in with PTC Fuse Compatible with All Versions of Ring Doorbell and Thermostat, Compatible with Nest, Ecobee, Sensi/Honeywell/24V Adapter

    9.3
    Excellent

  • 7

    Newhouse Hardware 24V 40VA Door Bell Transformer Compatible with Ring Video Doorbell Pro 40TR, Wired Chimes
    Newhouse Hardware

    Newhouse Hardware 24V 40VA Door Bell Transformer Compatible with Ring Video Doorbell Pro 40TR, Wired Chimes

    9.2
    Excellent

  • 8

    VIIVRIA 24-Volt AC 40VA Plug-in Doorbell Transformer, Compatible with Ring Wired Video Doorbell, Nest, Ecobee, Sensi, and Honeywell Thermostats, Power Supply for Multiple Smart Doorbells
    VIIVRIA

    VIIVRIA 24-Volt AC 40VA Plug-in Doorbell Transformer, Compatible with Ring Wired Video Doorbell, Nest, Ecobee, Sensi, and Honeywell Thermostats, Power Supply for Multiple Smart Doorbells

    9.0
    Excellent

  • 9

    24V 40VA Doorbell Transformer, 24 Volt Thermostat Fits Sensi, Ecobee, Nest, Transformer Power Supply Compatible with Ring Doorbell All Versions
    WQV

    24V 40VA Doorbell Transformer, 24 Volt Thermostat Fits Sensi, Ecobee, Nest, Transformer Power Supply Compatible with Ring Doorbell All Versions

    8.8
    Very Good

  • 10

    24VAC 40VA Plug in Transformer,Doorbell Transformer Compatible with All of Doorbell，Nest, Ecobee, Sensi and Honeywell Thermostat
    WUYELIN

    24VAC 40VA Plug in Transformer,Doorbell Transformer Compatible with All of Doorbell，Nest, Ecobee, Sensi and Honeywell Thermostat

    28% Off
    8.6
    Very Good