Unloader VB55 has been changed to VB56
Fits pump Model numbers HS4040, HM4040, SS4040, SM4040, KS4040, KM4040, LS4040, LM4040
Fits Hawk, Shark, Hotsy, Karcher, and Landa pump models above
8 GPM @ 3650 PSI
Hotsy Part Number: 5-3029, 9.802-363.0, 98023630
