Model # DW-125

Internet #202209267

Store SKU #777900

Heath Zenith Wired Door Chime Transformer

Heath Zenith

Wired Door Chime Transformer

$14.98 /each

Frequently Bought Together

Product Overview

Install the Heath Zenith Wired Door Chime Transformer when replacing a door bell with a door chime. It features a Low-Voltage wired design and 3 options for electrical output: 8 VAC/10 VA, 16 VAC/10 VA or 24 VAC/20 VA.




Warranty / Certifications

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Customer Questions & Answers

Can this really be used for HVAC? What is the temperature rating?

Asked by: John
no, Hvac transformers are min. 40 va rating,buy the correct part for your system and avoid major problems
Answered by: Charley
Date published: 2016-10-27

Can this replace an older transformer on a ding-dong style unit ?

I have a 27 yr old ding-dong style door bell unit and the transformer is shot. Will this transformer work with it and will it be able to chime instead of ding-donging ? Or will I have to buy a whole new unit to make it chime ?
Asked by: diyhomemaker
DIY Homemaker, Yes, you are able to replace your transformer, but as far as "chiming" vs.. the Ding Dong please contact our technical service for help. 1-844-760-3644.
Answered by: HeathCo
Date published: 2016-07-13

Just purchased a Heath/Zenith doorbell-chime transformer Home Depot SKU # 777900 & need to know if it will work for a dual chime set-up

Asked by: Anonymous
The transformer you purchased will not power two door chimes. One chime requires a 16VAC, 10 watt transformer. Each additional chime will require the transformer wattage be increased by 5 watts. For example, two chimes require a 16VAC, 15 watt transformer. The chimes you install must also be the same type. Electronic (8 Note Melody through a speaker) and Mechanical (2-Note tone bar) chimes will not work together. To wire two door chimes together onto one transformer, you will need model # 121AC-A Internet # 100626843 which is only sold online.
Answered by: HeathCo
Date published: 2016-09-27
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Customer Reviews

Wired Door Chime Transformer is rated 3.8 out of 5 by 9.
Rated 5 out of 5 by from I had the first generation ring doorbell that ran on a 12 vac transformer, but when i upgraded to... I had the first generation ring doorbell that ran on a 12 vac transformer, but when i upgraded to the ring pro, i found out that my current transformer was not able to supply the required power. I never bought nor installed a low voltage transformer before, so I figured it would not only be hard, but an expensive task. I have to say that it was neither as i purchased this and installed it within 10 minutes of arrival. What I really like about this transformer is that i gives you three different power options. For lower power requirements, you can set it at 8vac and go up to 16 to 24 vac like the ring pro needs. Once i found my transformer, (in the basement connected to my smoke alarm) i unhooked the old one and simply wired in this one. Anyone with a but of diy knowledge can do this, so no need to hire an expensive electrician. Just look up some youtube videos. As soon as i hooked it up, and turned the breaker back on, my ring finally powered up and started operating perfectly. I am extremely happy that i found this at such a good price, and how easy it was to install. 100% recommend!
Date published: 2016-11-10
Rated 4 out of 5 by from Excellent product This transformer was easy to install and works like a charm. NOTE- this item (24 VAC transformer) is absolutely required if you plan to purchase a Ring Video doorbell...
Date published: 2016-07-23
Rated 5 out of 5 by from Easy to install and worked immediately ... Easy to install and worked immediately
Date published: 2017-02-07
Rated 5 out of 5 by from Easy Install This item had clear instructions and ease of installation. It appears to be well made and worked perfectly.
Date published: 2014-02-25
Rated 2 out of 5 by from Audible Hum Put it in my wall and then found out it had an audible hum to it. I'm going to trash it. Otherwise, it worked fine.
Date published: 2012-01-17
Rated 5 out of 5 by from Good if you know where to put it. Absolutely a perfect replacement product for many types of doorbells and hvac equipment. Often times magnetic transformers have a little hum, knowing this I placed the junction box on a block wall located under my house and pulled power from the porcelain task lighting, it works perfectly and no hum unless your hanging out in the crawl - who does that?
Date published: 2014-02-02
Rated 1 out of 5 by from Does not mount securely This transformer uses a quick-mount set screw rather than a lock nut. As a result, it did not mount securely in a 1/2" knockout in a steel 4" box, 2 1/8" deep. In a standard 4" box that is 1.5" deep, it wasn't much better. I will try to return the opened package and will look for one with a lock nut.
Date published: 2015-02-16
Rated 2 out of 5 by from what is that sound? Bought at a local Home depot store. Was not sure about wireless doorbells due to lots of other wireless doorbells in the area. Went wired. Installation was fine, but.....what.....I can that a audible HUM in the hallway where I installed it. Nothing I could do about it. I guess I can just hum a new tune each day.... :(
Date published: 2013-07-23
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