Armstrong Furnace R42495-001 Assembly 30067439-890 The White-Rodgers 57T01-843 Relay is
Baker’s notes & crumb story
Description
The White-Rodgers 57T01-843 Relay is a professional-grade 24V post purge fan delay designed for precision blower control in HVAC systems
Integrated 1/4" needle drain valve facilitates easy sediment removal and system glass cleaning
ensuring specific set-point accuracy for R-22
What is the purpose of the ZP thermostatic charge on this valve
Armstrong Furnace R42495-001 Assembly 30067439-890 The White-Rodgers 57T01-843 Relay isArmstrong Furnace R42495 001 Pilot Igniter Sensor Assembly