2.05in
Ruland SPX-16-16-F Coupling, Two Piece, Bore Dia 1 In
What stands out about Whirlpool is the straightforward troubleshooting guides.
Alfagomma T341AA150X50 1 1/2 in. ID x 50 ft 270 PSI Chlorobutyl Steam Hose Black
The black body of this unit feels like it can handle rough treatment without complaint.