Broad Compatibility: Seamlessly integrates with 24Vac

It typically replaces Fasco 7021-11003 and D342094P01 models

By delivering accurate duct static pressure readings to the controller

The 440Op indicates that the switch is calibrated to "Open" the electrical circuit when the system pressure reaches 440 PSI

ASCO 8222G3 Valve 323055-751 Broad Compatibility: Seamlessly integrates withThe ASCO 8222G3 Valve is a high performance 2 way normally closed solenoid valve engineered specifically for taxing steam and hot water applications. This 3 4" NPT steam solenoid valve features a rugged brass body and high grade Teflon (PTFE) seals, making it an ideal choice for commercial laundry, autoclaves, and industrial heating systems. Operating at 120Vac, the pilot operated design ensures reliable fluid control with a significant 5 Cv flow