The Raypak H000029 Digital Control Board is an essential component for monitoring and optimizing Raypak heating systems, particularly pool and spa heaters. The central nervous system of the system is this digital control board, which manages temperature management, safety monitoring, and system diagnostics. The board's small size of 5.5" × 5" × 5" makes it simple to integrate into cur... https://www.usapoolshop.com/h000029-raypak-digital-control-board