Sundance Whirlpool Jet back 6540-610

Whirlpool Jet back 6540-610 has a 1 inch orifice for select Sundance Spas and other brand hot tubs.

This model has 1/2 inch air and 1 1/2 inch slip water connection.

Requires a 4 inch hole size.

Used in 1997-2005 model year spas.