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🌿 Smart watering made simple—because your lawn deserves the VIP treatment!
The Hunter Hydrawise HPC400 is a smart WiFi irrigation controller designed for modern homeowners seeking effortless lawn care. Featuring app-based control, weather-adaptive watering that can cut water usage by up to 50%, and expandable zones from 4 up to 32, it offers scalable precision irrigation. Easy DIY installation and a rugged, weatherproof design make it a reliable, efficient upgrade for any residential landscape.



































| ASIN | B08BJBKW44 |
| Best Sellers Rank | #16,790 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #18 in Automatic Irrigation Controllers |
| Brand Name | Hunter Industries |
| Color | Gray |
| Customer Reviews | 4.6 4.6 out of 5 stars (105) |
| Display Type | LCD or LED |
| Item Type Name | Irrigation Controller |
| Manufacturer | Hunter Industries |
| Material Type | Plastic |
| Model | HPC400 |
| Operating Temperature | 20 Degrees Celsius |
| Part Number | HPC400 |
| Smart Home Compatibility | Smart Home Compatible |
| UPC | 611698459942 |
| Voltage | 120 Volts (AC) |
M**V
No brainer
Took 25 min to install and makes everything easy for my system. Can control from my phone anywhere and the smart features are great
A**R
Easy replace and set up
Awesome Product. I had old Hunter PC-400i. Replace and install very easy, it takes less than 5 min with testing all zones. App quality is superior. You don't need physical rain sensor. App automatically connected to Weather app. Wifi range is also good. It worth more than $200++
F**H
Wifi disconnected
Works well but it will disconnect from wifi
C**H
Absolute MUST HAVE!
This is the ultimate upgrade in sprinkler technology. No more standing in front of your controller to turn on an area and running around the house try to see if the area you turned on is actually working. This was a super easy upgrade for me, I literally just popped the faceplate off of my existing one and installed this with a single ribbon cable! There’s a completely free app that lets you connect to it through your phone, you name your areas, and you can setup all kinds of schedules, and get insights to how much water you’ve used recently in comparison to previous weeks. It looks really good in the app and the touch screen works great as well. It has built in prediction with rain and heavy sun to accurately detect when to water less or more. Once you get this you won’t be going back! It was so good, I bought a second one just to give to my neighbor as payback for a favor!
M**Y
Customer Support??
Only had it for a day so can't say too much yet but programming watering programs is super easy..Customer support is non existent. You can chat with A.I. or refer to documentation on line..I have one simple question and there is no answer anywhere. Will revisit review after more use but the programming through the app is a breeze.
A**N
Hunter irrigation.
Easy to install (if the existing wiring is present) and easy to program and use. Big improvement over the old timer box.
C**E
Excellent Smart controller for your irrigation system
Excellent product. Easy to program with their App and fairly easy to install However, if you are replacing an existing non-smart Hunter controller and trying to attach it to your house you will have to remove all the internal mechanisms to get to the upper left-hand corner of the controller housing to attach it to your house. A very poor design, which could’ve been easily remedied.
I**C
So glad I got it!
I've decided to renovate my lawn, aka "carpet of weeds" this summer. I live in Texas, we haven't seen rain in several months and have been in triple digit heat for the same amount of time. I knew that introducing different amendments, fertilizers, etc. will require better irrigation control than having to go to the wall unit and manually start the zones I needed. I'm a female with no background in electrical wiring, irrigation systems or anything of that nature. I was able to easily take down my old Hunter unit, make some adjustments to fit the new one, and rewire this one in place. One thing I must say for the ones worried about connectivity. I have the worst to none connection in that particular spot where my control panel resides. That goes for both my wireless internet and cell signal. If I move to that area my calls get dropped and I'm not able to browse internet using my wifi. The new control station did tell me there is weak signal BUT I have no issues running any programs from the phone app. I was 99% sure I will have connectivity issues. Blown away by this feature alone. Now I can run whatever zones I want, at whatever time I need, from wherever I am. Be aware that this unit only comes with 1 module enough for 4 zones. If you have more you will need to buy additional expantion modules . I found that 6 zone module will not fit directly next to the one that came with the unit. It basically creates a gap for zones 5,6,7 and fits into the slot from 8 and on. May not be a big deal for some, but whoever originally wired my first unit left no slack on the wires. That extra 1.5'' gap was a problem for me because my wires were not reaching all the way up to the next module. I had to have mine stacked in order from bottom up to make this work. If your wires are long enough, a 6 zone module is cheaper than buying multiples of 3, you'd just have to reassign the numbers. I can't recommend this product enough.
A**R
Great product. Love the simplicity once you get by the wiring which takes some time.
W**Y
Perfect
D**E
Easy installation. Case is bulky so make sure you have the space.
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