- Designed for 240/120 Volt systems
- 22 amps resistive: 120/250/277 VAC
- Heat only
- UL listed
- For baseboard heating ceiling cable, and other radiant heat
- One year warranty
*Orders shipped to stores in Alaska and Hawaii will receive a 70% shipping discount.
30-Day Return Guarantee
We want you to be fully satisfied with every item that you purchase from www.acehardware.com. If you are not satisfied with an item that you have purchased (excluding Gift Cards and gas-powered outdoor equipment*), you may return the item up to thirty days after the original purchase date to receive a store credit (less shipping, handling and other charges). We recommend that you make returns of online purchases to an Ace retail store near you which will issue your store credit. If you do not have an Ace retail store near you, please contact a Customer Service Specialist by calling 1-866-290-5334 for complete return instructions. Please refer to our Return Instructions for more information about returning a purchase.
The item must be returned in good condition, in original boxes (whenever possible), and with all paperwork, parts and accessories to insure full credit. After 30 days, please contact the manufacturer directly.
*Gas-Powered Outdoor Equipment cannot be returned once gas or oil has been put in it, even if the Equipment has been drained of these materials.
What people are saying
REVIEW SNAPSHOT®
by PowerReviewsPros
- Easy to adjust (3)
- Easy to install (3)
Cons
Best Uses
- Home (3)
- Office (3)
- Small rooms (3)
- Reviewer Profile:
- Avid do-it-yourselfer (3), Homeowner (3)
Reviewed by 3 customers
Sort by
Displaying reviews 1-3
Pros
- Easy To Adjust
- Easy To Install
- Intuitive Controls
- Precise Controls
Cons
Best Uses
- Homes
- Large Rooms
- Offices
- Small Rooms
Comments about ACE HARDWARE Ace Double Pole Line Voltage Thermostat (21042):
Fair price, quick shipping, excellent product.
Pros
- Easy To Adjust
- Easy To Install
Cons
Best Uses
- Homes
- Offices
- Small Rooms
Comments about ACE HARDWARE Ace Double Pole Line Voltage Thermostat (21042):
I replaced a Honeywell thermostat that had a thermometer on it. This one replaced it wire for wire, and screw for screw, but without the thermometer. The price was right and it does the same thing.
Pros
- Easy To Adjust
- Easy To Install
Cons
Best Uses
- Homes
- Large Rooms
- Offices
- Small Rooms
Comments about ACE HARDWARE Ace Double Pole Line Voltage Thermostat (21042):
Replaced my existing line voltage unit exactly didnt even need the instructions as the connections were exactly the same. Not a great price but fair.
Displaying reviews 1-3




