The KMC Controls HPO-0038 Diaphragm is a precise OEM replacement part engineered for the MCP-3631 series rotary pneumatic damper actuators

this is the official updated version

Constructed from chemical-resistant material to survive prolonged exposure to corrosive furnace condensate

chemically resistant material designed for dimensional stability under repeated heating cycles

York S1-024-36052-018 Pressure Switch The KMC Controls HPO-0038 DiaphragmThe York S1 024 36052 018 Pressure Switch is the definitive OEM replacement pressure switch engineered for precision airflow monitoring in high efficiency York, Coleman, and Luxaire furnaces. This furnace pressure switch is factory calibrated with a . 20" WC pressure rating and features a Single Pole Normally Open (SPNO pressure switch) configuration that is designed to close on fall. It ensures the inducer motor establishes a consistent vacuum,