Seal for Sundance Spas Theramax - Theraflo Pumps, 6500-805

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Hot tub pump replacement shaft seal for Sundance® Spas Theramax 1.5, 2.0 (06/2003) and 2.5hp Pumps and 2.0 HP Pump which use the 6500-805 seal.

This is a Viton Seal, not a standard seal. Viton Seals are more durable for hot tub that may have salt and ozone systems. More resistant to chemical corrosion.

Used on the following Sundance/Jacuzzi Spa Pumps*:

  • 2.0 and 2.5 HP Theramax Pumps after 06/2003 - 04/2009. Not compatible with pumps after 04/2009
  • Used on 6500-254, 6500-260, 6500-261, 6500-263, 6500-268, 6500-763, 6500-761, 6500-754, 6500-768, 6500-760, 6500-341, 6500-343, 6500-345, 6500-347, 6500-349 2.5 Hp Theramax/Theraflo Pumps. Also used on 6500-258, 6500-259, 6500-293 1 1/2 Hp Theramax/Theraflo pumps.

Does not fit any of the 1998-1999 Theramax/AquaFlo pumps. They use a 6500-447 Seal. This was an Aquaflo "XP" Series Pump in 1997-1998 (some 1999 also).
Will also not any Sundance or Jacuzzi pumps with the LX motors.

Not used on the 2.0 HP Pump from 1999-06/2003 (see 6500-281) Also used on 1.5 HP Pump. Shaft Seal is for 0.75 Diameter Shaft.

 On rare occasion a pump may have a different wetend design not made by Sundance (such as AquaFlo). These wetends are not compatible with parts listed in Sundance's parts list and must use different seal and other components

Hayward Pump Seal



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  • 5
    Jacuzzi seal

    Posted by Adam on 15th Jul 2018

    Seal worked great I was able to install it will just a coupling and a little spit. No need to buy any lubricant