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The 52100 bearing steel insert ensures durability
this valve is designed to protect against excessive pressure by providing a high-volume emergency discharge reaching 2
Since the open tube design relies on air pressure rather than direct fluid contact with the internal switch mechanism
It is factory-set at 3
As a veteran-grade OEM boiler replacement part
Siemens Building Technology 192-786 Thermometer Kit 319847-401 The 52100 bearing steel insertFor field technicians maintaining legacy pneumatic controls, the Siemens Building Technology 192 786 Thermometer Kit is the industry standard for ensuring accurate environment feedback on Powerstar pneumatic thermostats. This 5 pack of thermometers is specifically engineered for a temperature range of 45F to 85F, making it a critical component for commercial HVAC maintenance and seasonal calibration of Series 192, 193, and 194 devices. Each unit