Designed with a standard threaded stem and push-down-to-close action

5" and 3" valve bodies

always check original equipment specifications) to maintain a constant evaporator superheat across varying load conditions

Is the 903404 compatible with my specific M1 unit

What does the 'R' in the part number 621451R signify

ASCO 8220G11-240V Solenoid Valve Refrigerant Designed with a standard threadedThe ASCO 8220G11 240V is a high performance 2 way normally closed solenoid valve engineered for demanding steam and hot water applications. This 1 1 2" NPT pilot operated valve features a robust brass body and high grade EPDM diaphragm, ensuring exceptional durability in extreme thermal environments. Operating at 240Vac, it provides a substantial 22. 5 Cv flow coefficient, making it an ideal choice for large scale boiler systems and industrial fluid