Sundance Topside [680 Series 2-Pump 6-Button 2018+] (6600-236) culligan The 18 inch by 11

The 18 inch by 11 inch dimensions and FC-9870 reference give this part practical value because DE grids work best when the replacement matches the original size and assembly layout closely

That helps preserve the intended experience without constant reordering

Feed tubing is an important maintenance item because material wear can affect how consistently a chemical feeder delivers product

Reliable operation

Supports cleaner and more dependable wet-end reassembly

Sundance Topside [680 Series 2-Pump 6-Button 2018+] (6600-236) culligan The 18 inch by 11Sundance Topside [680 Series 2 Pump 6 Button 2018+] (6600 236) is a replacement topside control panel for compatible Sundance 680 Series spa models using a 2 pump, 6 button configuration. The topside panel gives users access to everyday spa functions such as jets, temperature adjustment, lighting, and system navigation. Replacing a worn or unresponsive topside can restore convenient control at the spa shell, especially when buttons are cracked, the