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10 Best 24v 40va thermostat ands of 2025

Explore top picks
  • Best Choice

    1

    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
    CINCHDONE

    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

    9.9
    Exceptional
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  • Value for Money

    2

    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

    9.8
    Exceptional

  • 3

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

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

    9.7
    Exceptional

  • 4

    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

    9.6
    Exceptional
    Our Rating
    More info

  • 5

    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

    9.5
    Excellent
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  • 6

    Newhouse Hardware 40TR 24-Volt 40vA Wired Door Bell Transformer for Powering Multiple Smart Doorbells and Thermostats, Gold
    Newhouse Hardware

    Newhouse Hardware 40TR 24-Volt 40vA Wired Door Bell Transformer for Powering Multiple Smart Doorbells and Thermostats, Gold

    9.4
    Excellent

  • 7

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

    9.3
    Excellent

  • 8

    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

    9.1
    Excellent

  • 9

    EPLZON 24V 40VA Plug in Thermostat and Doorbell Transformer Compatible with Nest, Ecobee, Sensi and Honeywell Thermostat and All Versions of Ring Doorbell
    EPLZON

    EPLZON 24V 40VA Plug in Thermostat and Doorbell Transformer Compatible with Nest, Ecobee, Sensi and Honeywell Thermostat and All Versions of Ring Doorbell

    9.0
    Excellent

  • 10

    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

    8.8
    Very Good