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SmartZone-4X Control - 4 Zone Controller KIT w/ Temp Sensor - Universal Replacement for Honeywell zoning Panel truezone hz432 & More

4.7 4.7 out of 5 stars 131 ratings
Amazon's Choice highlights highly rated, well-priced products available to ship immediately.
Amazon's Choice in HVAC Controls by ECOJAY

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Purchase options and add-ons

Brand ECOJAY
Voltage 24 Volts
Product Dimensions 9.5"L x 5"W x 1.75"H

About this item

  • 4 ZONES up to 20 ZONES
  • Universally Compatible - Works with any system (Gas, Elect, Heat Pump)
  • Use any thermostats - nest, ecobee, honeywell, etc.
  • EASY to install, Simple to use
  • Built-In Fresh Air control, Economizer and other exclusive features

Customer ratings by feature

Value for money
4.8 4.8
Tech Support
4.7 4.7
Easy to install
4.6 4.6

Frequently bought together

$239.99
Get it as soon as Sunday, Mar 31
In Stock
Sold by Zoning Supply and ships from Amazon Fulfillment.
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$26.63
Get it as soon as Sunday, Mar 31
In Stock
Sold by VirVentures and ships from Amazon Fulfillment.
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Product Description

SmartZone is the smart choice

ECOJAY SmartZone residential & light commercial zoning Controllers are Easily configurable to satisfy a wide range of application and equipment requirements. Simple installation and setup make smartzone perfect for CHANGE-OUT, RETRO-FIT, NEW-INSTALL and UPGRADES. brightly-lit LED DIGITAL DISPLAY provides comprehensive system status information and temperature from included supply sensor. color-coded LED's on all wiring connectors simplify troubleshooting. SmartZone maximizes equipment efficiency & protection with built-in ‘Time & Temperature’ staging controls. Universal compatibility means smartzone works with all equipment types, thermostats & dampers. Time-saving and exclusive features like fresh-air & push-in terminals make SmartZone the smart choice.

Not only is SmartZone the easiest to install, if you have any problems or questions... ECOJAY has the best tecnical support via phone and online. Simply go to the website and call or email them for a quick and helpful experience. ZoningSupply also offers great resources online and a technical hotline where you can get all the help you need for your next HVAC zoning project.

SmartZone simplicity, reliability & features

  • Economy Mode allows setback of all zones with the flip of a switch. When in eco mode, the system will only energize if zone 1 makes a call. This feature is great for vacations or if some of the zones are rarely used.
  • Fresh air control allows control of an outside air damper and the system fan on a schedule to bring in fresh air in a prescribed amount. If fresh air control is required, Smartzone-4x has it covered with no additional controls required. Save $
  • Smartlink: expand to 20 zones by simply connecting multiple 4X boards together with the smartlink bus. Easiest & most cost effective system for more than 5 zones!
  • Smart staging & limit protection – by using a proprietary time and temperature algorithm perfected over decades of programming, smartzone stages up and down in the most effective and efficient manner possible.
  • 2nd stage lockout – by setting this dip switch, smartzone will only allow 2nd stage if more than one zone is calling
  • Stage from zone 1 thermostat – allows for a multi-stage thermostat to be connected to zone 1 and control zoning instead of smartzone (not recommended in typical circumstances)
  • Best technical support and documents (full color install guide included with SmartZone & best online documentation too)

Product information

Warranty & Support

Product Warranty: For warranty information about this product, please click here

Feedback

SmartZone-4X

SmartZone-4X Control - 4 Zone Controller KIT w/ Temp Sensor - Universal Replacement for Honeywell zoning Panel truezone hz432 & More


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Customer reviews

4.7 out of 5 stars
4.7 out of 5
131 global ratings

Customers say

Customers like the ease of installation, performance, quality, and value of the controller. For example, they mention it's intuitive, works right out of the box, and does everything they need it to do. That said, they appreciate the knowledgeable support team and the excellent price.

AI-generated from the text of customer reviews

29 customers mention29 positive0 negative

Customers find the installation of the controller to be intuitive, straight forward, and easy. They say the unit comes with a clear installation guide with pictures and diagrams. Some say that it took them 30 minutes to install the board, including two trips to the store. The LED lights make setup and monitoring very easy, and the wires are simple to wire. Customers are impressed with how easy the default settings are made, making installation quick and easy, as well as easy to check that everything is working.

"...that tell you exactly what the board is doing, making it a snap to diagnose problems and monitor the board's performance during the test-out phase..." Read more

"...so by the time I installed this board, it literally took me 30 minutes to install, including two trips to the garage to flip breakers...." Read more

"...It was easy, and as I stated above, the help I got from the EcoJay customer service people gave me confidence I could do it." Read more

"...The unit comes with a clear installation guide full of pictures and diagrams. It would be difficult NOT to install correctly...." Read more

24 customers mention21 positive3 negative

Customers like the performance of the controller. They say it works right out of the box, runs smoothly, and efficiently. It does everything they need it to do and permits their furnace to operate more efficiently. Customers also mention that the display is very intuitive and fast.

"...The post-sale support is exceptional on all counts. Fast, competent, patient, free...." Read more

"...I’m very happy with this product and it has been working perfectly." Read more

"...Almost everything worked perfectly, especially the EcoJay and EcoBee components...." Read more

"I got a SmartZone 4X years ago with my new zoned system and it has worked great...." Read more

13 customers mention13 positive0 negative

Customers are satisfied with the quality of the controller. They mention it's an outstanding product, well-built, and easy to use. Customers also appreciate the intelligent engineering and say it'll provide years of reliable service.

"...This controller board is exceptionally well-designed and manufactured. It's easy to install, and the documentation is easy to follow...." Read more

"...Great bit of engineering at a great price and top quality performance." Read more

"This is zone controller is a really cool product to have no matter what kind of system you have...." Read more

"I was really surprised at the quality and ease of installation on this, the diagnostic lights and the operation is perfect for a residential zoning..." Read more

8 customers mention8 positive0 negative

Customers appreciate the knowledge of the support team. They say the tech support is spectacular, and the manual provided has every detail.

"...I got a slow, detailed, thorough discussion, and decided to buy it...." Read more

"...This unit is much more intuitive and gives a lot more feedback. The push terminals are nice, and I really like seeing the supply air temperature...." Read more

"...planned right, and they were incredibly helpful, thorough and knowledgeable...." Read more

"...Tech support was spectacular, as I needed to call a couple of time with questions...." Read more

8 customers mention8 positive0 negative

Customers appreciate the value of the controller. They mention that the LED lights make setup and monitoring very easy, and the price is excellent.

"...Fast, competent, patient, free...." Read more

"...It was far less expensive than the panels the local HVAC people wanted to install, and I've gained an understanding of how the system works...." Read more

"...Great bit of engineering at a great price and top quality performance." Read more

"...For the first time in 8 years my zones work. Good value" Read more

7 customers mention7 positive0 negative

Customers like the diagnostic lighting in the controller. They mention that the status lights and temp sensor reading for the supply line are perfect. They also appreciate the digital displays that tell them exactly what's going on. Customers also appreciate that the unit has lots of LEDs to make any tech geek smile.

"...The board has LED lights on it and digital displays that tell you exactly what the board is doing, making it a snap to diagnose problems and monitor..." Read more

"...I love the status lights and temp sensor reading for the supply line. I’m very happy with this product and it has been working perfectly." Read more

"...One of the best features is the status lights for each wire, it’s very easy to check that everything is working correctly...." Read more

"...I really like all the LEDs for diagnostics. Every signal has an indicator LED...." Read more

7 customers mention7 positive0 negative

Customers appreciate the support provided by the board. They mention that it is an excellent product and that the support is great.

"Great product with AMAZING support. I was replacing a durozone zone controller board with this, and it ended up working great...." Read more

"Simply a great product. Easy to use, great support. Very well made. Worth twice the price. My next purchase will be to upgrade to EcoJay dampers." Read more

"Excellent product and support" Read more

"Great Product, Great Support..." Read more

7 customers mention4 positive3 negative

Customers are mixed about the temperature display of the controller. Some mention they like seeing the supply air temperature, and the supply temperature sensor is nice to monitor the air flow. However, others say that the heat stopped working.

"...I love the status lights and temp sensor reading for the supply line. I’m very happy with this product and it has been working perfectly." Read more

"...It would be difficult NOT to install correctly. Recently my heat stopped working...." Read more

"...The push terminals are nice, and I really like seeing the supply air temperature. I've had it for a while now, and no problems thus far." Read more

"...The next night the old zone board went out completely. No heat for two days. This board came in a day early and I was so thrilled!..." Read more

Fantastic Product
5 Stars
Fantastic Product
After failures of 2 Honeywell HZ311 multi-zone controllers in 5 years, I decided not to manifest the definition of “insanity” by replacing the second blown board with a 3rd one. I went with this ecojay instead. I bought and installed the 4x board and it is far superior to the Honeywell HZ311 in every way.Having had to troubleshoot and repair multiple issues over several years with the Honeywell board, I had become well versed in the multizone concept and function, so by the time I installed this board, it literally took me 30 minutes to install, including two trips to the garage to flip breakers. I love the status lights and temp sensor reading for the supply line. I’m very happy with this product and it has been working perfectly.
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Top reviews from the United States

Reviewed in the United States on July 3, 2021
2 people found this helpful
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Reviewed in the United States on October 10, 2023
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5.0 out of 5 stars Fantastic Product
Reviewed in the United States on October 10, 2023
After failures of 2 Honeywell HZ311 multi-zone controllers in 5 years, I decided not to manifest the definition of “insanity” by replacing the second blown board with a 3rd one. I went with this ecojay instead. I bought and installed the 4x board and it is far superior to the Honeywell HZ311 in every way.

Having had to troubleshoot and repair multiple issues over several years with the Honeywell board, I had become well versed in the multizone concept and function, so by the time I installed this board, it literally took me 30 minutes to install, including two trips to the garage to flip breakers. I love the status lights and temp sensor reading for the supply line. I’m very happy with this product and it has been working perfectly.
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Reviewed in the United States on February 27, 2021
5 people found this helpful
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Reviewed in the United States on January 19, 2022
3 people found this helpful
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Reviewed in the United States on July 25, 2016
3 people found this helpful
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Reviewed in the United States on September 25, 2023