#1 Home Improvement Retailer

MasterCool Evaporative Cooler Thermostat

$11900
Apply Now
Save up to $100 on your qualifying purchase.
Apply for a Home Depot Consumer Card
  • Backlit LCD display is easy to read and operate
  • Pre-wet mode ensures pads are saturated before pump activated
  • Easy to install and wire into an existing outlet box
  • View More Details
Store
0 in stock
Text to Me

Frequently Bought Together

+
+
Price:
$11900

Product Overview

The MasterStat digital thermostat is designed to operate a 2-speed fan motor, a small water pump motor, and an optional water purge pump. It has a easy to read backlit LCD display. It also features a pre-wet mode to ensure your pads are full saturated prior to the pump being activated.
  • Designed to control any ducted evaporative cooler with a 2-speed motor up to 1 HP at 120-Volt or 2 HP at 240-Volt
  • Onboard sensor has a control range of 50 to 90°F
  • Outputs provided are auto/manual, pump, fan and timer modes
  • If power is interrupted while unit is operating, the unit will resume in the mode active during power loss
  • Easy to install in an existing outlet box - minimal wiring required
  • Rain proof control box included
  • Kit includes wall control thermostat, 2-speed control, wire nut for common earth connection; spare 3.15 Amp fuse for control, jumper wire for link to N-link
  • Compatible with MasterCool ADA51/71, ADA5112/7112, ASA51/71, ASA5112/7112, AUA51/71, AUA5112/7112, all AD1C-contractors series, all AS1C-contractors series, all AU1C-contractors series, all AD2C-contractors series, AS2C-contractors series, AU2C-contractors series
  • Compatible with UltraCool ADA50/70, ADA50-12/70-12, ASA50/70, ASA50-12/ASA70-12, AUA50/70, AUA50-12/70-12 ada, ADA51/71-series, ADA5
  • Click here for more information on Electronic Recycling Programs
  • California residents

Info & Guides

You will need Adobe® Acrobat® Reader to view PDF documents. Download a free copy from the Adobe Web site.

Specifications

Dimensions

Product Depth (in.)
6.7
Product Height (in.)
4.5
Product Width (in.)
8.25

Details

Material
Plastic
Part/Accessory Type
Thermostat
Product Weight (lb.)
3
Returnable
90-Day

Warranty / Certifications

Manufacturer Warranty
1 year

Questions & Answers

Typical questions asked about products:

  • Is the product durable?
  • Is the product easy to use?
  • What are the dimensions of the product?

Customer Reviews

  • 4.1
    out of 47 reviews
  • 72% recommend this product
Filter by:
Showing 1-10 of 47 reviews
I already reviewed this product right after install, but no harm in updating. I replaced the old ...
I already reviewed this product right after install, but no harm in updating. I replaced the old 6 dial switch on my dad's 20+ year old swampy. So far, he LOVES it. The equipment is running more efficiently and now he can leave it on over night without fear of an astronomical electric bill. Install was fairly straight forward but it does help to have a basic knowledge of electrical and HVAC systems. I put the control box in the attic near the power source so I didn't have to run new wire. Replacement of the swamp cooler itself should be a breeze (pun intended) now that electrical is updated.
by
Response from EssickAirProductsJul 6, 2020
Hello! Thanks for updating your review. We are happy that you're enjoying your cooler. Thanks! -Melissa, Champion Cooler
  • Verified Purchase
  • Recommended
So far, so good
I retrofit this switch to my dad's 20+ year old swampy. He had the old, 110, 6 dial switch which is nothing but reliable but isn't energy efficient if left on all night. It does help if you have a basic knowledge of electrical and/or HVAC, but all of us DIYers always have that tool in our pocket. To be fair, the instructions clearly state to follow all local codes. I'm super happy because now, when I go to replace the rusty bucket of a swampy he has now, the electrical is already updated. Quick advice to the manufacturer, don't call it programmable because that's a bit misleading. But otherwise, super great product.
by
Response from EssickAirProductsJul 2, 2020
Hello, Scottplace! We appreciate you taking the time to share your thoughts. Thank you! -Melissa, Champion Cooler
    • Recommended
    Functions as advertised. Installation is simple if you are familiar with electrical wiring. My ...
    Functions as advertised. Installation is simple if you are familiar with electrical wiring. My installation involved a 230v 2-speed motor and a 120v pump. Works very well. Like the back-lit display!
    by
    • Verified Purchase
    • Recommended
    2 people found this helpful
    Overall, the product works very nicely to maintain temperature.
    Easy to install and well documented. Only issue I have is that the blue screen (lights blue when in command mode...) is difficult to read. The model I installed a few years ago had a better lighting mechanism. Overall - it really works well.
    by
    • DIY
    • Verified Purchase
    10 people found this helpful
    by
      Excellent thermostat - needs better installation instructions
      Our Masterstat works really well, which we use with a Mastercool ADA71 cooler. In automatic mode it switches to high or low speed according to the need. Regarding installation, I felt that the instructions could have been better. The key is that the main power, 110v), should run directly to the control box - L1 and N, which is mounted on the cooler (ours is on the outside of the cooler). For 110v, the supplied link should be installed across from Link to NLink. The blower and water pump wires should be connected within the control box as indicated in the directions. Then we used an 18-3 wire to connect from the control box to the thermostat mounted inside the house. It connects according to wire color inside the left side of the control box on the roof.
      by
      Response from EssickAirProductsJun 29, 2021
      Hello! Thank you for taking the time to review and rate our product! We appreciate the stars! -Melissa, Champion Cooler
        • Recommended
        Rating provided by a verified purchaser...
        Rating provided by a verified purchaser
        by
        Response from EssickAirProductsJun 11, 2021
        Hello! We appreciate you taking the time to rate our product! Thanks for the stars! -Melissa, Champion Cooler
        • Verified Purchase
        I cannot recommend it unless you want to go through all the work of wiring the waterproof device ...
        I cannot recommend it unless you want to go through all the work of wiring the waterproof device at the Swamp Cooler and then wiring the Thermostat in the house. I ended up returning it and purchasing another thermostat which works perfectly.
        by
        Response from EssickAirProductsJun 7, 2021
        Hello, Russ! We appreciate your honest review, and we are disappointed that you had a bad experience with your purchase. If you’ll consider purchasing the cooler again, we’ll be right here to help. You can call our team of Customer Service Representatives at 1-800-643-8341, Monday through Friday, 7:30 a.m. – 5:30 p.m., CST. We will be happy to walk you through your humidifier set-up and provide troubleshooting to help get your humidifier working smoothly. -Melissa, Champion Cooler
        • Verified Purchase
        After wiring the unit the cooler came right on without...
        After wiring the unit the cooler came right on without a hitch!
        by
        Response from EssickAirProductsApr 12, 2021
        Hello! Thank you for taking the time to review and rate our product! We appreciate the stars! -Melissa, Mastercool
        • Verified Purchase
        Good product for 2 speed swamp cooler. The thermostat shown is a nice wall unit, but the actual ...
        Good product for 2 speed swamp cooler. The thermostat shown is a nice wall unit, but the actual control box needs to be placed another location such as a closet or basement. I like the test lights on the controller so you can confirm the correct hookup.
        by
        Response from EssickAirProductsNov 30, 2020
        Hello! Thank you for taking the time to review and rate our product! We appreciate the stars! -Melissa, Champion Cooler
        • DIY
        • Verified Purchase
        • Recommended
        Showing 1-10 of 47 reviews