this component will thread directly onto the valve stem

A tripped furnace rollout switch usually indicates restricted flue venting

specifically covering the larger 200-400 MBH chassis sizes

OEM Compatibility: Designed specifically for Reznor heating units to ensure a perfect match for mounting and electrical specifications

Integrated SPDT end switch provides a dry contact signal to simplify system sequencing and equipment interlocks

Cleveland Controls DDP-109-187 Switch Els PW 17895 this component will thread directlyThe 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