Spence E2-2 Valve Refrigerant 10" wc SPST switch is

10" wc SPST switch is required

Direct OEM Fit: Ensures 100% part number 1011850 compatibility

Common Questions: Is the Lennox 14B54 interchangeable with the 14B5401

fitting a wide range of F50 and F52 series air cleaners

Spence E2-2 Valve Refrigerant 10" wc SPST switch isThe Spence E2 2 is a heavy duty 2 inch cast iron main valve engineered for precision fluid and steam pressure regulation. As a pilot operated normally closed valve, the E2 series is the industry standard for contractors managing large scale district heating or industrial steam plants. This Spence E2 Main Valve CI features a single seat design and packless construction to reduce friction and eliminate the need for traditional stuffing box maintenance.