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SPNO Configuration: Reliable Close On Fall operation designed for specific York and Coleman sequences
The complete assembly provides two 1/4" barbed fittings (L-shaped) for plastic tubing connections
As an HVAC pro
you must use a switch that matches the OEM temperature specifications (190-220F) to ensure the system operates within its design parameters
Aaon P59900 Pressure Switch Els PW 17895 SPNO Configuration: Reliable Close OnAs an experienced HVAC tech, you know that keeping a rooftop unit in the clear depends on reliable signal proving. The Aaon P59900 Pressure Switch is a critical differential air pressure switch designed specifically for AAON HVAC systems, functioning as a safety and operational interlock. With a factory set sensitivity of 0. 25 inches water column, this genuine AAON OEM part provides the precise pressure detection needed to verify inducer operation or