McDonnell & Miller 354089 Switch Assembly 323613-751 NPT Connections: Standard 2-inch female

NPT Connections: Standard 2-inch female NPT threads allow for easy integration into existing iron or copper mechanical piping

Designed for 24V HVAC control circuits

When you are troubleshooting a failing Lennox 87267 Motor

This 2-inch NPT mixing and diverting valve features a robust brass body with plated brass trim

McDonnell & Miller 354089 Switch Assembly 323613-751 NPT Connections: Standard 2-inch femaleThe McDonnell & Miller 354089 Switch Assembly, also designated as the Model SWA 150S M, is a critical replacement component engineered specifically for Series 150S and 157S low water cut offs and pump controllers. For technicians servicing steam boilers, this snap action switch assembly is the standard for maintaining precise liquid level control and ensuring high limit safety. Featuring a manual reset mechanism, this assembly requires professional