Sundance Topside [680 Series 2-Pump 6-Button 2018+] (6600-236) americanpool and this Hammerhead version is

and this Hammerhead version is a coarse extra-large 46 inch bag using the HH1502XL reference

That matters because spa owners usually notice the visible jet hardware every time the spa is in use

or equipment damage

This replacement is especially useful in equipment runs where one side of the valve must thread into an existing port while the opposite side needs to accept a threaded fitting or union arrangement

An air button helps provide pneumatic control activation in a compatible system

Sundance Topside [680 Series 2-Pump 6-Button 2018+] (6600-236) americanpool and this Hammerhead version isSundance 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