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offering a high-pressure differential that scales for precision: 65 psi at less than 300 psig
ensuring instantaneous response to temperature fluctuations
or insufficient combustion air causing flames to exit the combustion chamber
the FT-30 series must be installed in a horizontal plane with the arrow on the body pointing in the direction of flow to ensure the float mechanism functions correctly
Watts 0121499 Valve 30067439-890 offering a high-pressure differential thatThe 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