Emerson Mechanical Heat Only Thermostat 1C20-101

Designed to work with single-stage heating systems only is the Emerson 1C20-101 thermostat. The thermostat is mercury free and operates with low voltage. All mounting hardware is included with wall plate to cover where last thermometer was mounted.|Mercury-free mechanical thermostat|For use on single-stage heat only systems|Features rugged snap-action contacts, adjustable heat anticipator and bimetal thermometer|Temperature range: 50-90 degree F|Includes F61-2499 wall mounting plate to cover marks left by previous thermostat