Sundance PCB [Spas 880NT 2-Pump LCD 2014] (6600-390) aquaflo The 7/16 inch cross-section gives

The 7/16 inch cross-section gives this O-ring practical value because extra-large sealing surfaces often require significantly more material than standard profiles can provide

better-maintained heater-related installation

Supports more complete drive-section service

This type of part is especially useful when the original yellow panel has cracked

Sundance PCB [Spas 880NT 2-Pump LCD 2014] (6600-390) aquaflo The 7/16 inch cross-section givesSundance PCB [Spas 880NT 2 Pump LCD 2014] (6600 390) is a replacement printed circuit board for compatible Sundance Spas control systems. The PCB helps manage key spa functions such as pump operation, display communication, heater control, and system response depending on the specific equipment configuration. A failed or damaged circuit board can cause erratic operation, non responsive controls, relay issues, or system faults. Because circuit boards