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Gas Pressure Regulator 3/4' X 3/4' Natural 4' Lp 10' Erpr4 (Harper 4600S0004)

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ERP Gas Regulator Part Number ERPR4. For use with Natural or LP Gas. Number on valve is 4673G0010 B. Replacment for Haper Wyman number 4600S0004. 3/4" Female NPT 4" Water Colum for Natural Gas. 10" Water Colum for LP Gas