This 24V gas valve features a 3/4" x 1" NPT connection

this kit is the standard solution for Sporlan valve repair

Prop 65 Warning:

Key Benefits Precision Differential Monitoring: Accurately tracks pressure drops across filters or pumps with a 1% repeatability rating across the full 0-90 psid range

For the 143-80 series

Hubbell Industrial Controls 69HA2 Pressure Switch 322838-753 This 24V gas valve featuresThe Hubbell Industrial Controls 69HA2 Pressure Switch is a heavy duty electromechanical controller engineered for precise automation in industrial air compressor and water systems. Designed to handle the rigorous demands of large scale commercial compressors, this dual pole pressure switch features a 10 PSI cut in and 125 PSI cut out configuration, providing a stable 20 35 PSI differential range. Its rugged construction includes a painted steel case