With a 400 PSI maximum working pressure and a 4-inch shell diameter

Always verify local plumbing codes regarding lead-free requirements for your specific potable water application

Is the Kele ST-S3E-XME compatible with my existing BAS controller

Direct Compatibility: Engineered for seamless physical and electrical integration with 115V York and JCI air handling units

Modine 5H0749330003 Relay 320720-756 With a 400 PSI maximumThe Modine 5H0749330003 Relay is a heavy duty, OEM spec electromagnetic switch engineered for 120V heating systems. This industrial unit heater relay serves as the primary interface between low power control signals and high power blower or burner circuits, ensuring seamless ignition and fan sequencing. As a genuine Modine replacement part, it is listed under cross reference R4222D1039, maintaining the precise electrical tolerances required for Modine