Precise Field Calibration: Features a 3-23# adjustable range with a 5 psi differential

Can this be used as an outdoor sensor

preventing the common issues of soot accumulation or delayed ignition in propane (LP) gas conversion applications

If you have added significant external zone valves or heavy secondary loads

Key Benefits OEM Compatibility: Exact electrical match for York S1-024-25899-000

Lennox 14B05 Sequencer Relay Els PW 17895 Precise Field Calibration: Features aThe Lennox 14B05 Sequencer Relay is a high performance 24V N O electro mechanical control designed for precise electric heat sequencing in residential and commercial air handlers. As the direct OEM replacement for 14B0501, this Therm O Disc 15S2 series component features a Class D configuration with a single timing operation. Technicians rely on this unit to manage critical HVAC part compatibility across various Lennox furnace and heat pump models,