White-Rodgers Mercury Free Mechanical - 1F56N-444

$ 29.00

The White Rodgers 1F56N-444 mercury free mechanical thermostat is a universal replacement thermostat which replaces White Rodgers and competitive models installed during the past 50 years. It offers enclosed contacts for increased reliability and accuracy. Horizontal model for 24V, 3-Wire Zone Single Stage and Millivolt Applications. 5 year warranty.


  • New mercury-free mechanicals offer quick and easy replacement
  • Same size as our older models and feature updated styling
  • Same footprint saves time and aggravation, so wall marks are not a problem and no cover-up wallplate is necessary
  • One of four new models that replace most White-Rodgers and competitive mercury mechanical models
  • Packaging is bilingual (English/Spanish) and includes a complete model cross-reference