Universal heat riser valve adapters are available in two and three bolt designs, and fit 2-1/2" and 3" collectors.
 
Part # ProductDescription Media
21130 3" HEADER RING MECHANICAL/VACUUM OPERATED HEAT RISER VALVE 3" HEAT RISER
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$50.20
21140 2 1/2" BALL and SOCKET E.F.E. MECHANICAL/VACUUM OPERATED HEAT RISER VALVE 2-1/2" HEAT RISER, BALL/SOCKET STYLE
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$42.35
21150 3" BALL and SOCKET E.F.E. MECHANICAL/VACUUM OPERATED HEAT RISER VALVE 3" HEAT RISER, BALL/SOCKET STYLE
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$44.78
 
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