TriForce Spray Bar By Whisper Wash: Choose Model and End Type INSTALL KIT As for the burner efficiency Classic style handle with BELT WW5413 Size:8-12 gpm DST & 7-12 gpm M5DS

As for the burner efficiency they would be within only a few percent of each other typically in the upper 70-80 percent range (roughly 76-82%)

a brass hose barb (4784) and bulkhead (4468)

These are the best guesses for both direct drive and belt-driven 10 GPM 3500 or 3000 psi pressure washers

The barb at the tank and bulkhead is included in the PL-4-TO or PL-4-TA kit

TriForce Spray Bar By Whisper Wash: Choose Model and End Type INSTALL KIT As for the burner efficiency Classic style handle with BELT WW5413 Size:8 12 gpm DST & 7 12 gpm M5DS As for the burner efficiency they would be within only a few percent of each other typically in the upper 70 80 percent range (roughly 76 82%) a brass hose barb (4784) and bulkhead (4468)