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breaking the electrical circuit to the gas valve if the high-limit threshold is exceeded
Check your controller's technical manual to ensure it supports Pt1000 RTD inputs
and the York S1-025-35306-000 Flame Sensor is the specific OEM replacement part required to maintain system safety
Once the system cools to the 210°F reset point
McDonnell & Miller 344100 Tube Assembly Els PW 17895 breaking the electrical circuit toThe 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
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