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Enhanced Durability: Equipped with a hardened stainless steel seat and disc to resist wire-drawing and erosion in high-velocity steam applications
The hub is sized for a 5/8" bore motor shaft
Using this assembly on non-compatible brands may compromise the UL listing and lead to flame impingement or heavy smoke
the VG7000-1007 includes the high-tension spring
Efficient Serviceability: Allows for rapid internal component replacement while the valve remains in-line
Watts 0275264 Valve 321894-708 Enhanced Durability: Equipped with aThe Watts 0275264 (Series 174A) is a high capacity boiler pressure relief valve engineered for critical overpressure protection in hot water heating and domestic supply systems. This 1 inch FNPT valve is factory set at 100 PSI and features a massive steam discharge capacity of 2,635,000 BTU HR, making it a reliable choice for commercial and heavy residential hydronic applications. Built with a rugged bronze body construction and a heavy duty stainless