#4,449 in Tools & Home Improvement

Reddit mentions of 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 (Style 1)

Sentiment score: 2
Reddit mentions: 5

We found 5 Reddit mentions of 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 (Style 1). Here are the top ones.

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 (Style 1)
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    Features:
  • POWER UP MULTIPLE THERMOSTATS / DOORBELLS: replaces and upgrades underpowered transformer with this 24V AC transformer, offering plenty of power for single or multiple thermostats and doorbells at the same time
  • UNIVERSAL COMPATIBILITY: this 24v transformer fits for Nest, Ecobee, Honeywell and Sensi smart thermostats; Also compatible with Ring Video Doorbell, Ring Video Doorbell 2, Ring Video Doorbell Pro, Nest Skybell Doorbell, and other devices that require constant 24 volt power for operation
  • SPECIFICATION: Input is 120 V/ AC, 60 HZ; Output: 24 V/ 40 VA; Tip: The load voltage(when the doorbell is running) is 24V and the output of no-load voltag is about 27V
  • UL CERTIFIED AND SAFE USE: this 24 volt transformer is UL-certified, offers reliable performance
  • EASY TO INSTALL: screw down or threaded clamp to electrical box, simple to wire up; Please note: the brand names above is only for demonstrating compatibility;
Specs:
Height3.3464566895 Inches
Length4.1338582635 Inches
Weight1.6975594174 Pounds
Width2.9527559025 Inches
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Found 5 comments on 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 (Style 1):

u/Tintin-on-Mars · 2 pointsr/HomeKit

You need to change the chime with its internal PSU and put in a transformer.

Had a quick look at the info on your chime here https://nicorlighting.com/product/18888-prime-chime/

Which tells me your chimes internal PSU is rated at 12VDC 6mA output. This works out to 0.1W.

The Eufy doorbell FAQs say the doorbell needs 16-24VAC at 30VA, so needs a higher voltage, needs AC not DC that your chime produces, and needs a higher power rated transformer (30VA or around 24W minimum.)

Edit: something like this, assuming you are in America with 120VAC 60Hz mains https://www.amazon.com/gp/aw/d/B07L9X9V57/ref=psdcmw_6291372011_t1_B07GND8RMQ

u/doubleE · 2 pointsr/ElectricalEngineering

Probably a doorbell transformer, like this or this.

u/Jhubbz86 · 1 pointr/homeautomation

Do you have a basement? My transformer was located on a lightbulb socket like this one. I ended up upgrading from my 16v to a 24v since I have front and back doorbells, and the chime wasn't working properly. I also have a better connection with the 24v.

u/kulidan · 1 pointr/ecobee

Thanks for the info! The transformer I am using is this: https://www.amazon.com/Thermostat-Doorbell-Transformer-Compatible-Honeywell/dp/B07L9X9V57/ref=sr_1_4?keywords=Thermostat+transformer&qid=1559249379&s=hi&sr=1-4


if I bypass (power only the ecobee I am fine, boot up no problem. I am certain the connections to the LG panel are not loose. I assume 40 VA should be sufficient?

u/xXTecHGuRuXx · 1 pointr/Nest

I use this transformer for my Nest Hello. Haven’t had any issues with it.


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 (Style 1) https://www.amazon.com/dp/B07L9X9V57/ref=cm_sw_r_cp_api_i_.EDxDb34YH2VQ