NOTE: Use Combo Kit (D1RETRO83) in "Related Items". The kit replaces both the Circuit Board and Topside Control. If Remote/Auxiliary topside control is applicable it is no longer supported.
Master Spa Topside Control MAS 500 Legend 8 Button 52178_X505270
Master Spa Topside Control MAS 500 Theater System 7 Button 52178_X505260
Click here to see a complete list of Master Spa Topside Controls