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or insufficient combustion air causing flames to exit the combustion chamber
vibration-resistant fit during field installation
allowing for precise airflow calibration to meet specific system static pressure requirements
Built for the rigorous demands of commercial HVACR systems
Watts 0121499 Valve 30067439-890 or insufficient combustion air causingThe Watts 0121499 is a technical grade 1 inch LF174A Lead Free Pressure Relief Valve specifically engineered for high output hot water heating boilers and domestic supply systems. This valve features a robust lead free copper silicon alloy body, providing a set relief pressure of 100 PSI with an impressive steam discharge capacity of 2,635,000 BTU hr. Designed to meet ASME Section IV requirements, the Watts LF174A 1 100 utilizes a non mechanical seat
US$ 89.98
US$ 89.98
US$ 69.98