such as dirty filters

and auxiliary sensors that require clean DC power without the ripple issues common in lower-tier power modules

or multi-family residential applications

ensuring the burner assembly is deactivated if temperatures exceed the safe operational threshold due to restricted airflow or venting backdraft

This HVAC pressure switch features a dual 1/4" barb connection for easy integration with standard pneumatic tubing

Parker 100997 Pilot Assembly Els PW 17895 such as dirty filtersThe Parker 100997 is a heavy duty, pilot operated 1 2" assembly engineered for high demand fluid control and refrigeration applications. Originally categorized under the Jackes Evans line and often cross referenced as the Parker S8F Solenoid Valve (model S8F13NX00X0XS), this component is built to handle Ammonia, R 12, R 22, R 502, and other common refrigerants. It features a plated ductile iron body and handles fluid regulation in liquid, suction, and