The Pilot Assembly for Natural Gas (NG) features a 20-inch chamber and is manufactured by RHEEM MFG COMPANY. This assembly is essential for igniting gas burners in water heaters and heating systems. It includes a thermocouple and a safety shut-off valve, ensuring reliable operation and safety. Designed for easy installation, it fits various RHEEM models and complies with industry standards for performance and safety. This pilot assembly is a crucial component for maintaining efficient gas flow and ignition in your heating system.