Fittings

3/4 Inch Black Malleable Iron Tee

Viega 79245 ProPress 1 inch Press x 1 inch Male Lead Free Bronze Adapter with EPDM Sealing Element

Viega 79260 ProPress 1-1/4 inch Press x 1-1/4 inch Male Lead Free Bronze Adapter with EPDM Sealing Element

Jones Stephens™ B74085LF Equal Lead Free Pipe Tee, 3/4 in Nominal, Thread End Style, Bronze

Parts

Viessmann 7819 971 Air Vent with Shut Off 3/8 inch

Viessmann 7826 214 21 mm x 3 mm Heat Exchanger O Ring Set

Viessmann 7826 215 18 mm x 3 mm Supply/Return O Ring Set

Viessmann 7826 217 Gas Connection Pipe Gasket Set

Viessmann 7830 013 Return Connection Elbow

Ball Valves

Nibco H-80614W Webstone Pro-Pal Lead Free Brass 1 inch Press x 1 inch Press Full Port Ball Valve with Drain

Miscellaneous

VIESSMANN 7883 868 O-RING (SET OF 5)