Made by Air Supply of the future
Max Air 1HP heated Air Blower
This air blower is black in colour, its fits 1.5" (4.8cm Hole) plumbing, and is easy to replace.
The pump is controlled by the control system on the hot tub, so with regards to testing, if its not getting any power the control unit is at fault, not the air blower.
Max Air Heated Hot Tub Air Blower connection information:
This unit screws to either the inside of the cabinet or the floor, the 1.5" plumbing slips into the end of the unit and will need to be secured by putting a screw through both the plastic spout and the 1.5" plumbing.
It is also possible to fit this air blower onto 2" plumbing using a socket or reducer.