Lochinvar & A.O. Smith 100208442 Relief Valve Refrigerant High-Temperature Durability: Equipped with a

High-Temperature Durability: Equipped with a 430 stainless steel tip rated for 1500°F to resist oxidation and carbon buildup

High Pressure Resilience: Rated for 300 psig

311619A is identical to 311619A/U

ensuring optimal combustion efficiency and preventing excessive heat loss

verifying compressor motor protection settings is paramount when replacing this unit to ensure compatibility with existing contactors and wiring harnesses

Lochinvar & A.O. Smith 100208442 Relief Valve Refrigerant High-Temperature Durability: Equipped with aThe 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