aeration device or other support where the support is coupled to the tank alternatively the pump housing may be held in place against a flange body that is fixedly attached to the interior tank wall such as with epoxy screws etc or a flange body that is molded as a series of projections or depressions into the tank sidewall other mechanical coupling geometries or fixtures can be used to mechanically fix the position of the pump housing with respect to the interior wall of the tank or spa other means can be used to fix the pump housing in position for instance the tank sidewall may have an opening therethrough and a sealing flange sealing the opening such as described in canadian patent application number 2706306 for the following description of the light kit the pump 10 is mounted on a flange 21 that seals an opening in the tank sidewall where the motor 20 is also coupled to the exterior facing portion of the flange 21 however the light kit 30 can be used with any type of pump mount or mounted separate but adjacent to at least one of the driving or driven magnets or mounted to the motor mount if for instance the flange or tank sidewall is constructed from transparent or clear materials as shown in fig2 the sealing flange 21 includes projecting members 22 into which the pump 10 snaps via openings 15 on the rear face of the pump housing housing 10 snaps in place via matching slots in the rear of the pump housing as shown in.