If the motorhome's air brake relay valve or air booster can does not have an open port, use one of these tees to attach the BrakeMaster air line.

For BrakeMaster 9100 and 9160 systems.

450076       1/2" Vacuum Line Tee
450077       3/8" Vacuum Line Tee
450154-00 5/8" Vacuum Line Tee