Model # DW-125

Internet #202209267

Store SKU #777900

Heath Zenith Wired Door Chime Transformer
0016963901254

Heath Zenith

Wired Door Chime Transformer

$14.98 /each

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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.

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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: 2017-04-10
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Customer Reviews

Wired Door Chime Transformer is rated 3.6 out of 5 by 10.
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 2 out of 5 by from This transformer works great. However, it has an irritating hum. When I first mounted it on the... This transformer works great. However, it has an irritating hum. When I first mounted it on the metal junction box, it could be heard from quite a distance. Placing a foam pad between the mounting plate and box helped only a little. I ended up letting it hang by the wires, not touching anything that could broadcast the noise of the transformer. Now it can only be heard if you're within 10 feet of it. (Not a big deal since it's in the basement) I'll probably replace it eventually.
Date published: 2017-02-22
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 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 hear.....something.....is that a .....an 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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