The Raypak 100-10000345 Control Board is an essential component for monitoring and controlling pool and spa heating systems. This control board, measuring 13" by 10 by 3", connects to Raypak pool heaters and other compatible HVAC systems to supervise and manage a range of operational tasks. The control board serves as the main hub, processing user settings and temperature sensor input... https://www.usapoolshop.com/100-10000345-raypak-control-board