It features a rugged stainless steel valve stem and a heavy-duty brass disc designed to withstand system pressures up to 50 PSI and water temperatures as high as 240°F

ensuring longevity in demanding hydronic applications

technicians can dial in exact setpoints to prevent short-cycling and maintain consistent product integrity

Key Benefits for Technicians: Precise Thermal Calibration: Fixed 155°F cutout with a 55°F differential ensures accurate cycle management and prevents nuisance tripping

Lochinvar & A.O. Smith 100208442 Relief Valve 30067439-890 It features a rugged stainlessThe Lochinvar & A. O. Smith 100208442 Relief Valve is a critical safety component designed for high performance boiler pressure management. Engineered to trigger at 50 PSI, this valve provides essential overpressure protection for both residential and commercial hydronic heating systems. Within the trade, the 100208442 is identical to RLV2001 and serves as a direct OEM replacement relief valve for several high capacity units, including the Lochinvar