Doorbell Transformer 16V 30VA

The home originally came with something smaller that didn't have enough power to get the video doorbell running and the bell to work inside the house. This was an easy fix that came with clear instructions and worked out well. Didn't take me more than 15 minutes to get everything done from start to finish.

More than 5 years and running for my wired Eufy doorbell without error. Buying a second one for second doorbell camera I'll be mounting to the backdoor.

Easy install and powers my Logitech View doorbell perfectly. The 30VA is enough power to run most smart doorbells.

Nothing fancy going on here. The install was simple, painless and quick as one would expect. The Ring Pro I bought this for fired up without issue and my previously underpowered mechanical doorbell was finally getting enough juice to complete a chime. After I completed the setup in the app everything was good, until it wasn't...maybe a glitch, but five minutes later I got a "poor" for the voltage rating. It was odd since everything was working....and then magically, it resolved itself another 5 minutes later and I haven't had any issues since -- everything is in the green. So maybe I can chalk that up to a Ring-related setup miscue where it was cycling through something as part of the install/setup? Regardless, everything appears to be working perfectly now. I get video almost instantly when I click on the live view (as opposed to having to wait awhile on the Arlo camera we used to use), and everything rings as it should (both the device and our mechanical doorbell). On a side note, as someone else mentioned, there is about a 3 second delay between pressing the Ring button and the mechanical chime actually ringing inside, but I don't believe that is a failure, I just think it has something to do with how the power is relayed. One final note...I had an electrician out for some other work and asked, out of curiosity, what he would charge for the Ring install (since he was already there). He told me that people always have power issues and there's a ton of troubleshooting involved and then quoted me $245. It's really not complicated at all and the instructions were pretty straightforward. He essentially wanted to charge the same amount it would cost to purchase the doorbell -- so there's that, trust in your own abilities for simple tasks like this -- it'll save you money. So overall this is a good purchase, I'm just worried slightly about the reliability given that initial glitch, but since there haven't been any further issues, I guess it's just a waiting game to see if this will hold up for years or crap out in a month.

Update 02/06/25 - I contacted their customer service and they were extremely helpful in solving the issue by issuing a replacement. Replacement is working great. Initial Review - I purchased this transformer to power our Blink doorbell/door cam. It worked fine for the first 2 years, however right after we crossed the two year mark, we received a low battery message from our Blink doorbell. I thought that was strange because it was supposed to keep the doorbell/camera working without using batteries but figured maybe the batteries were low on their own. I swapped batteries but then received another low battery notification a couple weeks later. I went to our crawlspace where I had installed the converter and confirmed that there was still AC power to the unit. I then checked the output terminals and measured that there was no voltage (DC voltage) across the two terminals. Something failed on the internals of the transformer that means it is no longer outputting the required (or any) voltage. The unit is in the crawlspace and hasn't been touched since it was installed and working successfully. Disappointing to see it fail after only 2 years. With no moving parts and no physical impact/use, it feels like it should last much, much longer. Now we're left trying to figure out what to do to replace it after only two years.

When I installed the RIng DoorBell Pro at my daughter's house I also replaced the house door mechanical chime with one (another mechanical one) on the Ring Compatibility list (many of which have different brand names but are made by Heath-Zenith and are low cost). The chime only cost me like $20 at Lowes. The old chime, even before the Ring Doorbell Pro barely rang. The old transformer was 16v 15 amp. The new chime rang fine and the Health of the Doorbell was fine. However I wanted a better transformer to avoid issues. This new one is 16V 30 amp. I bought another one for my house to replace a little 10 A one. The old one used the metal box as the ground, this new one has a plastic nut to attach it and a separate ground wire. So I used a short green grounding wire from Home Depot (Lowes sells ones that have a poorly designed screw that does not cut into box hole) to screw it into a hole in the box, cut off the other end and stripped it and connected it to the green ground wire on the transformer. The new House Door bell chime much louder with this transformer and seemed to happen faster. The chime itself requires a 10 amp transformer, so I have plenty for the RIng Doorbell Pro and the Chime. The transformer was super well packed and looks like a quality product. I also like the way the transformer has a cover over the transformer plates shielding it. The price was great too! It is UL approved and well documented. It has a internal thermal fuse (115 degrees)on the low voltage end. At night and when someone rings the bell more power is needed and this transformer is just the thing you want to avoid issues. Be aware, the electrical box where you old transformer is could have more than one live circuit running in it, so shutting off the power to the doorbell may leave a hot line inside yet. So know what you are doing. One tip is that you should cut the insulation to about 3/4-1" on the three transformer wires BEFORE you install it to provide enough room to wrap it around the wires and not totally depend on the plastic wire nuts to hold it. And remember you are talking about 120 V circuit here, so know what you are doing and shut off all breakers for all lines in the box and test there is no power inside before starting. FYI I have a circuit breaker box tracer and wireless power tester to aid me. If you don't know what you are doing get someone who does.

Update 11/22/2021 Went to Home Depot bought a Hampton bay transformer and hooked it up and my doorbell works perfectly. I had 2 of these transformers from Amazon and both worked and then both shorted and no power as soon as you ring doorbell. Also they both were way warmer/hotter than they should be. It will read there is continuity but no voltage out of transformer and no power at doorbell Beware buying these. Go to Home Depot for $20 transformer made by Hampton Bay that actually work. Update 11/19/2021 Both transformers did not work and did the exact same thing. I had little to no issues with a lower voltage transformer. These also got much hotter than they should when I went to check on why doorbell stopped working. Now when I check voltage I have no voltage at doorbell and no voltage going out from transformer. I have voltage from house to transformer. Hope my doorbell isn’t messed up going to buy another transformer from another company or local. Hopefully the new one will work. This company did replace the first one I bought but again second one failed as soon as i hooked it up and rang the doorbell. I installed this transformer because my ring was disconnecting from wifi all the time. It worked beautifully for 3 days. The first time someone rang the doorbell, it shorted out the transformer and now does not supply power out of the transformer to the doorbell. Going to return and cross my fingers the next one doesn’t short out when the doorbell rings. Been without my ring for days waiting to hear from customer service. Easier to return and get another.

With Google Nest's recent forced migration to the new generation Nest Cams and Nest Doorbell, I installed the new doorbell only to realize the power requirements had gone up - I got the dreaded flashing white light on the doorbell. My existing Nutone 515T transformer was underpowered. In any case, it seemed like it barely had enough power to support the older generation Nest devices. Found this transformer based on a YouTube installation video recommendation. Ordered it with one-day delivery. Easy 1 for 1 installation (of course shut off the circuit breaker first and test for hot wires). Fortunately, the prior transformer was easy to locate in our closet near the doorbell ringer. If your house is older like ours, look for the circuit breaker for your thermostat or furnace. After installation, I got the desired blue light and setup initiation for my new Nest Doorbell. This also supports 2 Nest thermostats and a few other things - everything is working great. I have not found the transformer to be running hot - relatively cool to the touch (maybe ever so slightly warm).