This model is engineered for vertical installation

specifically engineered for the 50PQ series

For veteran technicians managing Carrier condenser fan motor replacement

this 5-inch deep-pleat design offers a massive surface area

Barksdale D1H-H18SS Switch 320720-756 This model is engineered forThe Barksdale D1H H18SS is a heavy duty diaphragm pressure switch designed for precision sensing in industrial and HVACR process control applications. Housed in a NEMA 4 aluminum enclosure, this housed pressure switch features a single setpoint mechanism with an adjustable range of 0. 4 to 18 psi. The 316 stainless steel diaphragm and pressure connection ensure chemical compatibility and long term durability when monitoring air, water, or oil systems.