use an ASSE 1070-certified mixing valve

Natural Gas Optimization: Pre-configured for NG combustion with professional-grade gas valves and regulators

This specific 998-0510-20 model is designed for compressors utilizing a 4-bolt 3-1/16" mounting center and 2-1/8" suction lines

) gas valves

the center-guided ball ensures reliable seating regardless of flow direction

ASCO 8221G31 Solenoid Valve THPU32HP7Y use an ASSE 1070-certified mixingThe ASCO 8221G31 Solenoid Valve is a high performance 2 way normally open valve engineered for precision water control in industrial and commercial HVACR systems. Designed with a 1 1 2" NPT connection and a robust brass body, this pilot operated valve features a specialized slow closing mechanism. This integral snubber significantly reduces water hammer, protecting your piping infrastructure from damaging pressure spikes and vibration without the need