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This board is engineered to maintain original factory specifications
Cost-Effective Maintenance: Extends the service life of existing 1-1/2" NPT valve bodies avoiding the cost of new brass hardware
This part number typically covers the grille assembly itself
B—ensure broad compatibility
Interchangeability: Fully compatible and identical in specification to the SEC99AA-36C model
Conbraco 18C-521-5-150 Valve 30067439-890 This board is engineered toThe Conbraco 18C 521 5 150 is a high capacity ASME Section IV certified primary safety device engineered for commercial hot water storage tanks and large scale heating systems. Designed to prevent catastrophic vessel failure, this 1" MNPT x 1" FNPT temperature and pressure relief valve provides a 2,155,000 BTU hr capacity, making it a standard for mechanical contractors servicing high output boilers. The valve is factory set to open at 150 PSI or
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