50I56D-905 EMERSON INTELLIGENT VALVE RETROFIT KIT FOR ICP & LENNOX BRAND SINGLE STAGE PSC FURNACES UPGRADE SYSTEMS BUILT WITH SELECT SV9500, SV9501, AND SV9502 ELECTRONIC INTERMITTENT PILOT GAS VALVES TO STANDARD GAS VALVE AND 120V HSI IGNITION. COMPLETE KIT INCLUDES NEW GAS VALVE, CONTROL BOARD, AND COMBINATION IGNITOR + FLAME SENSOR.