Heavy-Duty Construction: Built with industrial-grade materials to withstand the high-temperature environment of a combustion chamber

Also identified as a split post grommet

it ensures a precise fit on standard motor shafts to minimize vibration and noise

Seamless Compatibility: Optimized for the Bray DC-series

McDonnell & Miller 94-7B-HD Controller 318423-701 Heavy-Duty Construction: Built with industrial-gradeThe McDonnell & Miller 94 7B HD is a high performance head mechanism only designed for heavy duty commercial and industrial steam applications. As a critical replacement head mechanism for Series 94 and 194 controllers, this unit integrates a combination low water cut off and pump controller to maintain precise boiler water level control. Engineered for systems with a maximum pressure of 250 PSI, it utilizes a 7B potentiometer switch to provide a 135