Keating KEA023624 Control Valve, 1/2 inch

[ Nat/lp Gas Safety ][ Size 1/2" Fpt ][ Width 4" ]; nat 4" Wc, [ Brand Rsw, Mfg # 700-516, 7000 Bmvr,; 240,000 Btu, 250-750 Millivolt; ***must Change Spring, Cap & Screw For Lp, 11"wc,; included.***; for Thermopile Use # 51-1121 (36", 2 Wire Lead, Thermopile);