Jet Nut: Fluidix ST – Sundance 880 & 980 Series (2007–Present)

6540-644 – OEM Sundance® Spas Fluidix ST II Jet Nut, used in select Sundance® 880™ and 980™ Series models manufactured from 2007 to Present.

Compatible with the following Sundance® Spas models:

• Sundance® 980™ Claremont/Kingston (10/2016–Present)
• Sundance® 980™ Lisbon/Odessa (2019–03/2021)
• Sundance® 880™ Series (2007–09/2024)
• Sundance® 880™ Aspen (2012–09/2024)
• Sundance® 880™ Cambria (03/2018–03/2021)
• Sundance® Select™ Series (2011–2018)

	Part #	Description
1	6542-002	Jetface: Fluidix ST SS '24
2	6541-010	Nozzle Assy: Fluidix ST II
3	6540-642	Fitting: Wall Fluidix ST
4	6540-522	O-Ring (qty 2)
5	6540-644	Nut: Fluidix ST (Self-leveling)
6	6540-646	Jetback: Fluidix ST (.75" Barb)
7	6570-118	Tool for Fluidix ST and Reflex Jet (used to adjust jet stream orientation); included in warranty pack

	Part #	Description
1	6540-643	Jetface with 316 SS escutcheon
2	6541-010	Nozzle, Fluidix ST (gray), replaced part 6540-671 in Feb. 2009
3	6540-642	Jet wall fitting
4	6540-522	O-Ring (qty 2)
5	6540-644	Nut (Self-leveling)
6	6540-646	Jetback (.75" Barb)
7	6570-118	Tool for Fluidix ST and Reflex Jet (used to adjust jet stream orientation); included in warranty pack