Genuine direct replacement Waterway 48 Frame pump wet end with an internal 4hp rated impeller. This is the less common model that has a larger 2.5-inch inlet and 2-inch outlet plumbing union connections. 2-inch and 2.5- inch are just plumbing terms the diameters of the threaded connections are 78mm x 93mm.
This type of Waterway wet end is found on 1.5hp and 2hp Waterway Executive hot tub pumps here in the UK & Europe.
Genuine direct replacement Waterway 48 Frame pump Hi-Flo wet end with 2-inch plumbing union connections on both the inlet and outlet (78mm thread OD). The Waterway Hi-Flo wet end is a powerful yet compact wet end with a large-sized 4hp rated impeller. This type of Waterway wet end is found on 1.5hp and 2hp Waterway Hi-Flo hot tub pumps and they are Waterway’s most common European 48 frame pump. This Hi-Flo wet end can be found on Beachcomber spas, Spaform Hot Tubs & others.
Can be used to replace the wet end on the old MagnaFlow HydroAir HA440 pump which is found on Spaform spas. You will, however, need to buy flat gaskets in the related products to seal the plumbing connections.
Genuine replacement 2hp impeller 310-4210 for Waterway Executive pump wet ends designed specifically for use with Hot Tubs & Spas. These 2hp impellers will fit any Waterway 48 frame or 56 frame Executive spa pump wet ends but you should fit the same horsepower equivalent. The horsepower rating is usually stamped into the centre of each Waterway impeller so check there to match up your replacement.
Vein Gap Distance – To aid in matching up the correct impeller HP measure the vein gap distance, this is the distance between the front and rear plates of the impeller. Compare with the specifications of this Waterway impeller below.
Genuine replacement 3hp impeller 310-4200 for Waterway Executive pump wet ends designed specifically for use with Hot Tubs & Spas. These 3hp impellers will fit any Waterway 48 frame or 56 frame Executive spa pump wet ends but you should fit the same horsepower equivalent. The horsepower rating is usually stamped into the centre of each Waterway impeller so check there to match up your replacement.
Vein Gap Distance – To aid in matching up the correct impeller HP measure the vein gap distance, this is the distance between the front and rear plates of the impeller. Compare with the specifications of this Waterway impeller below.
Genuine replacement 4hp impeller 310-4190 for Waterway Executive pump wet ends designed specifically for use with Hot Tubs & Spas. These 4hp impellers will fit any Waterway 48 frame or 56 frame Executive spa pump wet ends but you should fit the same horsepower equivalent. The horsepower rating is usually stamped into the centre of each Waterway impeller so check there to match up your replacement.
Genuine replacement 5hp impeller 310-4180 for Waterway Executive pump wet ends designed specifically for use with Hot Tubs & Spas. These 5hp impellers will fit any Waterway 48 frame or 56 frame Executive spa pump wet ends but you should fit the same horsepower equivalent. The horsepower rating is usually stamped into the centre of each Waterway impeller so check there to match up your replacement.
Genuine replacement 3hp impeller 310-4020 for Waterway Hi-flo pump wet ends designed specifically for use with Hot Tubs & Spas. These 3hp impellers will fit any Waterway 48 frame or 56 frame Hi-flo spa pump wet ends but you should fit the same horsepower equivalent. The horsepower rating is usually stamped into the centre of each Waterway impeller so check there to match up your replacement.