Approved Vendors - Extension Piece, 3/4 in, MNPT x FNPT, Lead Free Brass, Rough Brass

Zurn® - Adapter, 1 in, Crimp PEX x C, Copper

NIBCO® - Ring Check® Spring Check Valve, 2 in, C, Bronze

NIBCO® - Ring Check® Spring Check Valve, 2 in, FNPT, Bronze

Zurn® - Adapter, 3/4 in, Crimp PEX x C, Copper

AmeriVent® by Duravent - Round to Oval Vent Adapter/Connector, 4 in Dia

PASCO - Adapter, 3/4 in, Male Hose Thread x FNPT

Selkirk® by Duravent - Round Vent Adapter/Connector, 8 in Dia