Key Benefits Direct OEM Replacement: Replaces obsolete McQuay part number 910110422 for a perfect 4-ton fit

ensuring that the venter motor is developing the necessary static pressure to safely exhaust combustion gases before the burner is permitted to ignite

While typically used in vertical shaft down applications with extended studs

Use a digital manometer to confirm the exact set point during field calibration

ensuring a reliable fail-safe return to the normal position during any power interruption

Emerson Alco 039930 Solenoid Valve R-22 Key Benefits Direct OEM Replacement:The Emerson Alco 039930 (222CB3 4B3 4T) is a heavy duty 2 way normally closed solenoid valve engineered for demanding steam and industrial fluid applications. Constructed with a rugged industrial brass valve body, this unit features 3 4 inch NPT threaded connections and is rated for pressures up to 150 PSI steam. For technicians managing high temperature media, the 7. 0 Cv flow coefficient ensures optimal throughput while maintaining precise control.