While it is an OEM part for International Environmental Corporation (IEC) units like the M*Y03

NPT Compatibility: Standard 1/2-inch NPT threaded connections allow for direct installation into existing piping without specialized adapters

Comprehensive Rebuild: Includes the quad ring

this valve is suitable for many high-pressure HFC applications

Johnson Controls VG7251PT Valve 318172-701 While it is an OEMThe Johnson Controls VG7251PT is a high performance 1 1 4 inch globe valve designed for demanding HVAC applications requiring precision modulation. Built with a rugged cast bronze body and brass trim, this 2 way normally open valve is engineered to regulate the flow of hot water, chilled water, or 38 psig saturated steam. The 18. 5 Cv rating and equal percentage flow characteristic ensure linear and stable control, preventing hunt and maintaining