Schneider Electric (Erie) VT2221 Valve Body Technicians should note that the

Technicians should note that the SEC99AD-36 and SEC99AD-36C are functionally identical parts with the same technical specifications and 1/4" female flare fittings

This ensures you or your team investigate the root cause

ensuring reliable dropout timing and pilot safety

Broad Compatibility: Seamlessly fits HE220 through HE365 series models

Schneider Electric (Erie) VT2221 Valve Body Technicians should note that theThe Schneider Electric (Erie) VT2221 Valve Body is a professional grade solution for precise on off flow control in closed hydronic systems. This 1 2" NPT zone valve is engineered as a two way normally closed component, featuring a 1. 0 Cv flow coefficient and a rugged forged brass build. Designed for seamless integration with Erie PopTop actuators, the VT2221 utilizes a "pop top" quick release mechanism that allows for tool free actuator removal,