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10 Best 24v 40va thermostat ands of 2025

Save up to 26% off
  • Best Choice

    1

    Hotop 2 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 2 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

    9.9
    Exceptional
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  • Value for Money

    2

    HQRP 120V-240V to 24V 40VA Transformer Compatible with Nest, Ecobee, Sensi, Honeywell Thermostat, Nest Doorbell and All Versions of Ring Doorbell Power Supply Adapter Door-Bell 120v-240v-to-24v, UL
    HQRP

    HQRP 120V-240V to 24V 40VA Transformer Compatible with Nest, Ecobee, Sensi, Honeywell Thermostat, Nest Doorbell and All Versions of Ring Doorbell Power Supply Adapter Door-Bell 120v-240v-to-24v, UL

    9.8
    Exceptional

  • 3

    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

    9.7
    Exceptional
    Our Rating

  • 4

    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

    9.6
    Exceptional

  • 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

    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
    9.4
    Excellent

  • 7

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

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

    9.1
    Excellent

  • 8

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

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

    9.0
    Excellent

  • 9

    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

    26% Off
    8.8
    Very Good

  • 10

    24VAC 40VA Plug in Doorbell Transformer Compatible with All of Doorbell Nest Ecobee Sensi and Honeywell Thermostat with UL Certificate
    TSDZ2

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

    8.5
    Good