The Noritz Circuit Board (SKJ70WT) for NRC663 models is a vital component for the EZTR series. This high-quality circuit board ensures reliable operation and control of your water heating system. Designed to meet stringent industry standards, it features advanced technology for enhanced performance and efficiency. The compact design allows for easy installation and integration into existing systems. Whether you're replacing a faulty board or upgrading your unit, this circuit board is essential for maintaining optimal functionality and ensuring your Noritz water heater operates smoothly.