42002-0007S Pool Heater Control Board Kit (461105) with 472610Z Switch Pad，Compatible with Mastertemp Sta-Rite Max-E-Therm Natural Gas Pentair NA and LP Series Pool/Spa Heater Electrical Systems - ROBOA

• 【Compatibility】: This board will work on the following models: Mastertemp 200, Mastertemp 250, Mastertemp 300, Mastertemp 400, SR200NA, SR333NA, SR400NA, SR200HD, SR333HD, SR400HD, 460805. As well as all NA and LP series pool/spa heater electrical systems. 【Product】：includes 1pc 42002-0007S Control Board and 1pc 42002-0029Z/472610Z Film Pad.  【Function】: This product will help you deal with temperature adjustment failures or button hardness issues, while also improving heating efficiency. 【Product Upgrade Highlights】：Upgraded regulated power module：Using high-quality filter capacitors and the LM2576HVS power chip produced in the United States, providing pure DC power for the main control system；Corresponding faster output control：High quality optocoupler module for faster and more reliable output control. 【Installation steps】: First, remove the old circuit board by turning off all power and opening the top of the heater to access the old circuit board. Pull the membrane pads off the board, and remove the wire connectors that went to the old board.