Model # 42122

Internet #203225482

Hunter Non-Programmable Thermostat Universal

Discontinued Hunter

Non-Programmable Thermostat Universal

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Frequently Bought Together

Product Overview

It's Easy - Universal compatibility means it works on all system types. And with Hunter's unique features - Screw less, color coded wire terminals, built-in level bulb and all purpose screws - you can install this thermostat in 5 minutes - really. And it's all controlled with an easy-to-use digital interface.

  • Digital/non-programmable
  • All-purpose screws - no anchors or drilling required
  • Built-in level
  • Filter change indicator
  • Installs in 5 minutes or less
  • Screwless, color coded wire terminals
  • Compatible with Air conditioning, Up to 2 stage Heat/2 stage Cool systems, Gas, electric and oil furnaces, Gas and oil fired boilers, AC or battery power, Most 24 Volt and Millivolt systems, 2 and 3 wire hot water/radiator systems, Single and two stage heat pumps with auxiliary heat
  • Not for use with 110 or 220V Electric baseboard heat

Info & Guides

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Name Mechanical Heat/Cool Thermostat 1C26-101 Non-Programmable Thermostat Universal Manually Adjustable Thermostat for Power Vent 80 Series Non-Programmable Single Stage Thermostat
Brand Emerson Hunter Master Flow Emerson
Ratings (0) (3) (52) (2)
Operation Type Mechanical Digital Digital
Features No Additional Features Backlit Display,Battery Back-Up,Filter Monitor,Low Battery Indicator Battery Operated,Low Battery Indicator
Thermostat Type Heating and Cooling Heating and Cooling Heating and Cooling
View Product View Product View Product View Product



Display height (in.)
1.1 in
Display width (in.)
1.6 in
Product Depth (in.)
Product Height (in.)
Product Width (in.)


Battery Size
Color Family
Backlit Display,Battery Back-Up,Filter Monitor,Low Battery Indicator
Number of HVAC Zones
Operation Type
Thermostat Product Type
Non-Programmable Thermostat
Thermostat Type
Heating and Cooling
Voltage (volts)

Warranty / Certifications

Certifications and Listings
ADA Compliant,ETL Listed
Manufacturer Warranty
1 Year

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Customer Questions & Answers

Some thermostats have a voltage rating of 12 and some are 24 how do I determine which I need?

Asked by: Bill
Thank you for your interest in a Hunter product. With model 42122 12 and 24 volts are both compatible. If you need further assistance there are live representative available at 1-888-830-1326 Monday-Friday 8am-6pm CST and Saturday 8:30am-5pm CST. Thank you for choosing Hunter!
Answered by: HunterFans
Date published: 2015-09-17
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Customer Reviews

Non-Programmable Thermostat Universal is rated 4.0 out of 5 by 3.
Rated 4 out of 5 by from has some good features home depot web sight is saying that this model # 42122 has backlit and comes with batteries Hunter said no. I got one 4-23-2013 and it is working O.K. at this time ?
Date published: 2013-04-24
Rated 3 out of 5 by from weird sizing quirk I was looking for an over sized thermostat. I found this one online. It was 7" by 7". Unbelievably, that was the size of the box. Obtuse.
Date published: 2013-02-05
Rated 5 out of 5 by from Works Well Easy to Install. The Dirty Filter Indicator actually works... Overall, I'm really impressed.
Date published: 2013-02-07
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