The dual SPDT contacts are factory-configured to change on decreasing pressure at

Using it with third-party controllers may result in inaccurate scaling or hardware errors

While it is often categorized as a steam trap assembly

High Discharge Capacity: Rated at 643 PPH

Cleveland Controls DDP-109-202 Switch Els PW 17895 The dual SPDT contacts areThe Cleveland Controls DDP 109 202 Dual Pressure Sensing Switch is an essential component for high accuracy HVAC air pressure monitoring and energy management systems. This general purpose proving switch features two independently adjustable SPDT snap acting switches mounted on a common foot bracket, allowing for a versatile adjustable deadband in complex control circuits. With a set point range of 0. 05" wc to 2. 0" wc, the DDP 109 202 is engineered