Watts 0121246 Valve R-410A ensuring stable performance in both

ensuring stable performance in both natural gas and liquid propane (LP) applications

This unit is the designated direct replacement for A-4000-148

Check for continuity across the two terminals using a multimeter

such as discharge lines

Designed for high-cycle piston compressors

Watts 0121246 Valve R-410A ensuring stable performance in bothThe Watts 0121246 is an industrial grade lead free water pressure reducing valve engineered for precision regulation in high demand plumbing systems. Specifically designated as the LFN250B Z2 020, this 3 4 inch regulator is the direct technical successor to legacy models like the 0321987 and N250BZ 3 4 20. It features a rugged cast iron body and a stainless steel seat, ensuring durability under a maximum working pressure of 250 psi. Factory calibrated