White-Rodgers 1F85U-22NP Thermostat Els PW 17895 This constant differential temperature control

This constant differential temperature control features a 6°F fixed differential with a temperature range spanning from 32°F to 61°F

This mixing plate resists the cyclic thermal stress common in industrial gas burners

this ASME rated and CSA listed valve provides reliable mechanical fail-safe performance

The Maxitrol R325E10-1530A is a specialized yellow compression spring designed for field conversion and precise pressure calibration of 325-5 series gas regulators

Simplified Installation: Standard 1/4 inch female flare fitting and spade terminals facilitate efficient field replacement for HVAC contractors

White-Rodgers 1F85U-22NP Thermostat Els PW 17895 This constant differential temperature controlThe White Rodgers 1F85U 22NP Thermostat is a versatile, professional grade solution designed for contractors needing a reliable, non programmable 80 Series thermostat to handle diverse system architectures. This universal staging thermostat is the direct replacement for the legacy 1F83 0422, maintaining a familiar interface while upgrading internal logic for modern standards. It supports 2 Heat 2 Cool conventional systems and 2 Heat 1 Cool heat pump