Waterway 1 Speed 3HP 56 Frame Side Discharge 2.5x2 Model 1 Speed 2.0HP 56 Frame Side Discharge (2 X 2) 1 Speed 3.0HP 56 Frame (2.5 X 2) Common Power Reference 2 HP single speed 3 HP single speed Volts 230 230 Motor KW 1.5 2.25 Motor HP 2 3.21 Wet end impellor HP 4 5 Amps 9.5 12.3 12.8 RPM 2800 2840 Capacitor 30uf 36uf Plumbing connections 2 x 2 inch Waterway unions 2.5 x 2 inch Waterway unions Found on hot tubs such as Hot Tubs Direct, Knightswood Leisure, Touch Spas, Catalina, Hydropool, Hotspring, Hotspot, Southwest Spas and many more Artesian and Artesian Island Spas, among others, utilize this pump. Although it is listed on the Artesian website as a 4.8bhp, our 3HP single-speed Waterway pump shown here has a 5HP wet end. Consequently, when you combine this with the power ratings of the motor, it results in an almost perfect match. In fact, we have conducted this experiment ourselves recently to confirm its accuracy. Additional Notes This pump can be found in many different hot tubs in various forms. It has 2-inch outlets and can replace pumps from Waterway, Vico, Sta-Rite, GE, Emerson, A.O Smith, ITT, or Aqua-flo. Moreover, in most cases, the unions will wind straight on. This pump is used for the boost jets operation. You may find that your pump has a smooth body as opposed to this style of pump. However, as long as the ratings are the same, it will still work. Furthermore, in most cases, you will find that the wet end is the same, but the motor may be made by a different company. You might find it difficult to find an exact match for your current pump. If you need our help, just give us a call or email, and we will happily advise if this pump can be adapted to work with your system. Additionally, our range of pumps is designed to overcome most obstacles. Please note that unions need to be purchased separately. This pump can be found in many different hot tubs in various forms. Specifically, it has a 2.5-inch intake and a 2-inch outlet. Additionally, it works in place of Waterway, Vico, Sta-Rite, GE, Emerson, A.O Smith, ITT, or Aqua-flo, and in most cases, the unions will wind straight on. Moreover, this pump is used for the boost jets operation. You may find that your pump has a smooth body as opposed to this style of pump. However, as long as the ratings are the same, it will still work. Furthermore, in most cases, you will find that the wet end is the same, but the motor may be made by a different company. Additionally, you may be finding it difficult to find an exact match for your current pump. If you need our help, just give us a call or email, and we will happily advise if this pump can be adapted to work with your system. Lastly, our range of pumps is designed to overcome most obstacles. Unions to be purchased separately If you are not entirely sure if this is the correct pump for your requirements, check out our handy guide: How to Identify Your Hot Tub Pump