The RHEEM MFG Thermostat Shank measures 1.926 inches and is designed for precise temperature control in heating systems. This component is made from high-quality materials, ensuring durability and reliability. It is compatible with various RHEEM models, making it a versatile choice for replacements. The thermostat shank meets industry standards for performance, providing accurate temperature regulation to enhance your system's efficiency. Upgrade your heating system with this essential thermostat shank for optimal performance.