Sundance

Sundance spa parts and illuminated water features

Sundance is a name familiar to anyone who owns a portable spa or hot tub, and like every spa brand it builds its cabinets around a mix of plumbing, jets, controls and decorative water features. Those features are usually the first thing an owner notices when something stops working: a waterfall that no longer lights up, or a lens that has clouded after years of warm water and sunlight. Here you will find Sundance service components, including the LED waterfall assembly for 780 Series spas, listed under part number 6560-179 so it can be matched against the number printed on the part being replaced.

The 780 Series and where the waterfall sits

Sundance groups its spas into series, and the 780 Series is one of those groupings. A waterfall on a spa of this kind is normally a separate, low-pressure water path rather than a jet: water is taken from the circulation or jet manifold, routed through a diverter or on/off valve on the topside, and allowed to spill over a moulded weir or spout into the shell. An LED unit behind or beneath that spout lights the sheet of falling water from inside, so the effect is visible at night without needing any extra lamp in the footwell.

Because the waterfall is fed by its own line, problems with it are usually local. If the jets and heater behave normally but the fall has gone dark or dribbles unevenly, the fault is almost always in the waterfall assembly, its valve or the plumbing immediately behind the shell wall rather than in the pump or control pack.

What tends to fail on a spa water feature

Spa water features live in a warm, chemically treated, strongly lit environment, which is hard on plastics and seals. The usual failure points are:

• LED and lamp housing – light output fades or the unit goes dark entirely; moisture ingress at the housing is a common cause.
• Lens and diffuser – clouding, yellowing or scale build-up that dulls the effect even when the LED still works.
• Wiring and connector – corroded or brittle connections behind the shell, often disturbed during other servicing work.
• Gaskets and shell seal – hardened or flattened seals that allow a slow weep behind the cabinet panel.
• Spout and weir surfaces – scale or biofilm that breaks the smooth sheet of water into an uneven trickle.

Where water is hard, descaling the spout and lens occasionally will keep the fall looking as it should and will often restore most of the apparent brightness before any part needs changing.

Identifying the right part before ordering

Spa manufacturers revise components between model years, so the safest approach is to work from numbers rather than from a photograph. A few checks before ordering:

• Read the part number – spa components are usually moulded or labelled with a number such as 6560-179; compare it directly with the listing.
• Confirm the series and model year – the serial label on the spa cabinet or equipment bay gives the model and build information needed to match a parts diagram.
• Verwenden Sie die Explosionszeichnung – manuals for spas of this type show each assembly with a position number, which makes it easy to see whether the LED, the lens or the whole housing is the item required.
• Measure what you remove – note the diameter of the housing, the hole in the shell and any seal thickness, and keep the old component until the replacement is fitted.
• Check the connector style – spa lighting uses several plug types; matching the existing connector avoids cutting into the loom.

Before removing anything, isolate the spa electrically and allow the water level to drop below the feature where that is necessary. Access to a waterfall is normally from behind a removable cabinet panel.

Sundance at PoolParthub.com

Here we list Sundance service items intended for owners and installers maintaining existing spas, including the LED waterfall assembly for 780 Series models. The aim is to make a single, identifiable component available so that a working spa does not have to lose a feature simply because one lamp or housing has reached the end of its life.

Listings are kept close to the manufacturer’s own part numbering, so the number on the old component is the quickest route to the right replacement. If the series or build year is unclear, the serial label on the cabinet together with the spa’s parts diagram will usually settle it, and these are also the details worth having to hand when comparing a waterfall assembly with the rest of the plumbing and lighting on the spa.