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The Watts LF53L-125 is factory-set to trip at 125 PSI
Direct OEM Fit: Ensures 100% part number 1011850 compatibility
10" wc SPST switch is required
The addition of 96-inch wire leads provides the necessary length for flexible wiring in fan coil units
Spence E2-2 Valve Refrigerant The Watts LF53L-125 is factory-setThe 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.
