Dwyer Instruments PRL-156-P1 Pressure Switch 321702-401 115V blower motor pre-loaded into

115V blower motor pre-loaded into a precision-engineered blower wheel and housing to ensure optimal CFM delivery across the heat exchanger

it utilizes a standardized A-B flow characteristic to prevent hunting and ensure stable room temperatures

using it with non-spec assemblies can lead to improper compression and potential carbon monoxide leaks

System Protection: Acts as a spill switch to detect flue gas spillage at the draft diverter or hood

this component features an integrated Honeywell Resideo platform

Dwyer Instruments PRL-156-P1 Pressure Switch 321702-401 115V blower motor pre-loaded intoThe Dwyer Instruments PRL 156 P1 Pressure Switch is a heavy duty differential pressure switch designed for critical HVAC and process monitoring applications where system safety and precision are paramount. This robust unit features an adjustable 1 to 30 inch W. C. range, making it ideal for monitoring pressure drops across filters, coils, and fans in commercial air handling systems. Engineered with a manual reset on decrease mechanism, this switch