Emerson 1C20-102 Mechanical Heat Only Thermostat, White
Emerson 1C20-102 Mechanical Heat Only Thermostat, White
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Emerson 1C20-102 Mechanical Heat Only Thermostat, White

4.5 stars out of 11 reviews
(4.5)|
11 ratings
Emerson 1C20-102 Mechanical Heat Only Thermostat, WhiteEmerson 1C20 102 Mechanical Heat Only Thermostat White
Actual Color:White

Key item features

  • System Compatibility: Designed for single-stage heat-only systems, ensuring focused temperature control.
  • Mechanical Operation: Features rugged snap-action contacts and a bimetal thermometer for reliable, mercury-free mechanical function.
  • Temperature Control: Offers a temperature range from 50 to 90 degrees Fahrenheit for user-defined heating.
  • Adjustable Anticipation: Includes an adjustable heat anticipator for precise temperature regulation.
  • Optional Accessory: A separate wall plate is available for purchase to conceal previous thermostat marks.
  • Power Requirement: Operates on a 24-volt power supply.
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4.5 out of 5 stars
stars11 ratings6 reviews
How item rating is calculated
  1. 5 stars82% (9)
  2. 4 stars9% (1)
  3. 3 stars0% (0)
  4. 2 stars0% (0)
  5. 1 star9% (1)
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Showing 1-3 of 6 reviews

Sep 29, 2025
Eddie
Item details
Color: White
Sold and shipped byWasher Specialties Co
5 out of 5 stars review

Verified Purchase

ease of installation and use on this product. it's two wire heat only which made it a snap to install

Incentivized Review
Helpful?28V1X82Z660F42349804
Nov 29, 2025
Mercedes
Item details
Color: White
Sold and shipped byWasher Specialties Co
5 out of 5 stars review

Verified Purchase

Simply Perfect

Exactly what I needed! 2 wire hookup, and precise temperature reading so it keeps the house warm! This is for heat only systems.

Incentivized Review
Helpful?28V1X82Z660F42349804
Dec 27, 2025
marko
Top Reviewer
Item details
Color: White
Sold and shipped byWasher Specialties Co
5 out of 5 stars review

Verified Purchase

works awesome. replaced old mercury switch

Incentivized Review
Helpful?28V1X82Z660F42349804