McDonnell & Miller 344100 Tube Assembly Els PW 17895 In an open circuit test

In an open circuit test

the X26300-FC-1 is the industry standard for maintaining system equilibrium

This assembly is compatible with various Johnson Controls heat sections

As a precision HVAC thermistor

McDonnell & Miller 344100 Tube Assembly Els PW 17895 In an open circuit testThe McDonnell & Miller 344100 (Model SA66 35) is a high precision upper tube assembly engineered for the maintenance and repair of Series 67 low water cut offs. As a critical safety component for steam boiler systems, this assembly ensures the operational integrity of the LWCO by housing the internal mechanism that responds to water level fluctuations. It is designed for seamless integration into existing 67 and 67 G models, facilitating a direct