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High-Temperature Reliability: Integrated Viton seals and Class F insulation allow for stable operation in demanding thermal cycles
maintaining optimal evaporator saturation
it can be easily customized with front or side-mounted auxiliary blocks if your circuit requires feedback signals
Standardized Ports: Equipped with a 1/4" barb hose connection for seamless integration with existing pilot tubing
This unit is a direct Lennox 24K41 cross reference for legacy models including 17G74
Watts 0121450 Valve 30067439-890 High-Temperature Reliability: Integrated Viton sealsThe Watts 0121450 (Model LF140S 3 1 125) is a high capacity, 1 inch lead free temperature and pressure relief valve engineered for commercial hot water supply tanks and heaters. This automatic reseating valve is the direct updated replacement for legacy models 0256651 and LF140S3 125 1. With a massive steam discharge capacity of 2. 61 million BTU hr and an ASME pressure rating, this valve ensures critical safety by preventing thermal expansion and
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