The York S1-024-35978-000 Pressure Switch is a critical safety component designed for precise differential air pressure monitoring in York

it prevents ice accumulation on the outdoor coil

it utilizes an advanced microprocessor to manage the HSI sequence

The 11/32-32 male nut connector ensures a secure

and ozone during long-duty cycles

Bard HVAC 8402-069BX Limit Switch The York S1-024-35978-000 Pressure SwitchThe Bard HVAC 8402 069BX Limit Switch is a critical OEM replacement part designed for high precision thermal protection in specialized Bard heating and cooling equipment. This 2. 5 150F AUTO Limit Switch is the direct performance update for legacy part numbers 8402 069 and S8402 069. As a technician, you know that maintaining the integrity of the safety string is non negotiable; this automatic reset limit switch ensures the circuit opens reliably when