42002-0007s, 461105 Upgraded Control Board Kit with 472610Z Switch Pad — Replacement for Pentair MasterTemp & Sta‑Rite Max‑E‑Therm NA & LP Series Pool/Spa Heaters

Direct replacement control board kit compatible with Pentair MasterTemp LP and NA series electrical systems and Sta-Rite Max-E-Therm SR series control boards. The board is built with upgraded solid-state capacitors and assembled using high-precision soldering technology, then finished with a durable SR waterproof coating for improved longevity. It features an improved optocoupler module and a regulated power module that deliver built-in overheat, overvoltage, and short-circuit protection. Engineered to enhance heater efficiency and overall performance, this kit helps address common heating problems and can lower operating costs. The design allows straightforward disassembly and installation, and the package includes clear instructions for replacing the original circuit board.