Trane SWT0601 Interlock Switch 322838-752 pressure relief valves must be

pressure relief valves must be installed with the spindle in the vertical position to ensure proper mechanical operation and drainage of the discharge line

For technicians performing field retrofits or maintenance on Nor East control valves

Broad Compatibility: Standard 3/4" NPT connection serves as a universal hot water heater vacuum relief solution

The Copeland Comfort Control (White Rodgers) 37C73U-173 is a universal gas water heater valve designed for natural gas applications

Direct-fit OEM replacement design reduces field installation time and ensures correct alignment within the burner assembly

Trane SWT0601 Interlock Switch 322838-752 pressure relief valves must beSPNO Door Interlock Switch