Sundance® Spas Theramax Front Pump Housing Theramax, Theraflo 

• 1.5, Theraflo, 2.0, 2.5, 4.0, 4.2 HP Theramax Rear Housing Bracket: works for all years. Not compatable with Aqua-Flo Pump wet end used prior to this time period.
• 2.0 (4.0)HP, 2.5(4.2)HP Theramax (07/2003-04/2009) Housing before this date 6500-286 for 1999-06/2003 2.0 HP Theramax Pump is obsolete and you would need to purchase a complete wet end.
• Not compatable with Aqua-Flo Pump wet end used prior to this time period.
• Not Compatable to pumps manufactured after 4/2009
• Please Note: On some early series wet ends (those with only 4 legs instead of the newer 8 leg version) one of the guide pins on this wet end may have to be shaved off to attach to the older style Rear Housing.
• Please see Related parts below (these items are compatable to the 6500-288 and are purchased separately): 6000-031, 6000-645, 6500-037, 6500-232, 6500-255, 6500-290, 6500-295, 6500-309, 6500-311, 6500-551, 6500-805, 6540-171, 6570-023, 6570-070.