$38.95 $49.95
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NOTE: Z-Wave gateway controller required - sold separately. *Your smart hub / controller needs to support advanced settings for you to take advantage of this feature.
We may have this product available in open box, refurbished, or used condition - just check the variant buttons under the product price for availability. All of our recycled inventory has been tested for both manual and Z-Wave control and is fully functional at the time of shipment. Here is what you can expect when ordering your device:
Download the the manual for the Zooz Z-Wave Long Range Heavy Duty Switch ZEN75 800LR (PDF)
Zooz Heavy Duty Light Switch ZEN75 Frequently Asked Questions
NOTE: If you don't see your Z-Wave controller on the list above, please contact us before you purchase this product.
Before installing, make sure the load does not exceed 1800W for incandescent lights, 600W for LED's, or 15A for resistive load (read more about supported loads here).
Check your wiring first to confirm that you have all the following wires present in your gang box: load (most often black), line (most often black), neutral (most often white), and ground (most often green).
If you are not comfortable identifying the wiring and following the instructions, please hire a licensed electrician.

Here are some helpful wiring tips:
How to include the Zooz Heavy Duty switch to your smart home network?
1. Bring your Z-Wave gateway hub or controller as close to the switch as possible
2. Put your Z-Wave controller in inclusion/pairing mode
3. Scan the SmartStart QR code on the front metal plate of the switch or tap the upper paddle of the switch 3 times quickly to finalize the inclusion process manually
4. A new on/off switch should appear on your controller's device list
NOTE: Use a dedicated diagram from the manual to wire the switch in a 3-way setting with a regular electrical switch if you are looking to control one light with 2 or 3 switches.
They are working great with my ballast fluorescent tubes lights in my garage. I'm planning on using these for my heat tape installs as well. Just be sure to keep an eye on wattage.
I did run into a bit of trouble. I was not able to get multiple ZEN75 to join using Mesh. It worked fine using ZWLR. I have a ZEN77 and a ZEN76 at the same location which were able to join my network using SmartStart and Mesh. So I expect there is likely some sort of bug preventing this from working. I'm not planning on using associations so this will be okay for me.
Be aware the pigtails take up a ton of space, so if you don't have a deep box I wish you good luck getting it fit. The stranded wire fit into wagos.
Once installed they look and behave like the rest of my zooz switches.
Being able to swap out our dumb switches for the heavy duty switches for things like Fans and outlets has opened up a lot of automation opportunities. I had an electrician install them and they said they were easy to install and well documented. Will definitely be buying other Zooz switches.
As with all things Zooz the ZEN75 works like a charm after executing simple installation steps! The switch will maximize easy operation of our holiday lighting!
I recently rewired a few circuits and added some lighting to a few rooms in my house. In the process I added this switch to my outdoor light post circuit (switched from indoors). This was the perfect model since my light post also had an integrated outlet. I wanted a smart switch that could handle the extra power of the 15A rated circuit if I ever used the outlet. This is the perfect product to eliminate the risk of overloading the switch. I also have another one of these switches powering six LED shop lights that total to about 210 watts, which is above the ~150 watt rating of most of the other standard smart switches. These integrate perfectly into my Home Assistant Zwave setup.
In terms of normal use, the only difference I can tell when compared to the Zen 71/76 is that the internal relay is a bit louder when it clicks on/off and the built in LED is a little bit brighter when at the same brightness setting.
I will note that in my opinion, Wago 221 connectors (or similar) are almost a must for connecting these to standard solid 14 or 12 AWG circuits. For the premium price of this switch, it would be sweet if a couple Wago connectors were included instead of basic wire nuts. The built in stranded flying leads are not the greatest to connect with wire nuts as it can easily destroy the fine strands when grouped with other solid conductors, especially if you have to disconnect/reconnect the switch a couple times.
Great device, easy install, very reliable.