The reason I don't think I'm following you is if I use a hose barb on the outlet side of the pump, that will enable me to run a hose to the reel, but not to the regulator which will be on top of the tank going into a bulkhead.
8 years in the business.
Oklahoma Licensed Pesticide Applicator (3a)
2013 Hawkline 7x16 Enclosed Trailer
2012 Hustler X-One 60", 26hp, Flex Forks, Mulch Kit
Custom Built Sprayer