Check the listing for details. Bunn SZ033223, 38708.0000 Control Board Assembly, Position Sensor. Condition: New. Listed at 87.99 USD. Part Numbers: SZ033223 / 38708.0000. -Manufacturer: Bunn. - Integratedposition sensor functionality. ULTRA NX, 120V BLK LAF 2 Valve (58000.0013). KEY FEATURES.