SharkBite
3/4" push x 3/4" mpt, evopex push to connect male connector, 200 degrees fahrenheit, 160 psi maximum pressure, lead free, pex compatible pipe material, for water supply.
Boshart 1-1/4 In. Insert x 1-1/4 In. MIP Polypropylene Hose Adapter
Compression Nut, Brass, 1/4-In.
Eastman 1/2 in. OD Epoxy-Coated Gas Connector - FIP x MIP
Eastman 3/8 in. OD Epoxy-Coated Gas Connector - FIP x MIP
Charlotte Pipe PVC-00820-0600HA DWV Schedule 40 Offset Closet Flange, 4" x 3"