Cleveland Controls DDP-109-187 Switch Els PW 17895 while 'F' stands for Fan

while 'F' stands for Fan (Close on Rise)

What is the difference between the 1-5/8" OD and 1-1/2" ID sizing

Precision Control: High-leverage lever acting design ensures accurate regulation and positive dead-end lock-up

featuring a robust internal construction that ensures accurate refrigerant metering across a wide range of operating conditions

For contractors managing large-scale mechanical rooms

Cleveland Controls DDP-109-187 Switch Els PW 17895 while 'F' stands for FanThe Cleveland Controls DDP 109 187 is a heavy duty dual air pressure sensing switch designed for critical HVAC and energy management proving circuits. This unit features two independently adjustable SPDT switches mounted on a common foot bracket, allowing technicians to establish a precise deadband for complex control sequences. Each switch assembly operates separately, measuring differential pressures from 0. 05" wc to 2. 0" wc. This configuration is