Conbraco 12-205-08 Valve 30067439-890 What is the difference between

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Conbraco 12-205-08 Valve 30067439-890 What is the difference betweenThe Conbraco 12 205 08 Valve is a rugged, ASME Section IV certified steam pressure relief valve engineered for 2" NPT configurations. This high capacity safety valve is factory set at 15 PSI, delivering a substantial steam discharge rate of 2,500 pounds per hour. Ideal for medium to large commercial boilers, it features a heavy duty cast bronze body and a top guided design to ensure precise disk alignment and reliable overpressure protection. The