the NEMA 4X enclosure rating signifies that the solenoid is protected against windblown dust

Multi-Speed Flexibility: 4-speed taps allow for optimized heating and cooling CFM adjustments

Replace the filter element if you observe a significant pressure drop across the intake or as part of your annual preventative maintenance schedule to ensure no contaminants bypass the 10-micron media

Can the G93ASL-4 be used with Propane (LP)

Robust Solid-State Design: Eliminates moving parts found in older electromechanical controls

Armstrong Fluid Technology 105210-011 Flange 323613-751 the NEMA 4X enclosure ratingThe Armstrong Fluid Technology 105210 011 is a high performance 2 inch Cast Iron Flange engineered for seamless integration into hydronic heating and cooling systems. Specifically designed as a companion flange for the Armstrong S 35 circulator pump, this heavy duty component ensures a secure, leak proof connection between your pump and the piping network. Utilizing a standard 2 inch NPT connection, it provides the structural integrity required for