This ASME Section XIII certified safety relief valve is a standard component for contractors managing high-BTU hydronic installations where reliable pressure management is critical

This 22-inch diameter propeller is precision-engineered with a three-blade configuration and a 29-degree pitch to deliver high-volume airflow while minimizing motor load and vibration

this unit delivers a nominal capacity of 49

Its robust internal diaphragm and stainless steel power element are built for high-pressure R410A environments

Robertshaw 1820-029 Pilot 318518-761 This ASME Section XIII certifiedThe Robertshaw 1820 029 Pilot is a heavy duty, aerated PG9 replacement pilot Uni Kit engineered for high performance ignition in both natural gas and LP applications. Designed as a universal solution for hard to find ITT General PG9 type pilots, this assembly features a 90 degree right hand flame pattern to ensure precise burner ignition in tight furnace or boiler vestibules. As a pro grade HVACR pilot burner, it includes both natural gas and liquid