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This 120V blocked vent switch is a specialized thermal safety control engineered to monitor flue gas temperatures and detect dangerous obstructions in the vent system
and CE requirements for international equipment specifications
specifically fitting models such as the BYC130 series and other vertical/horizontal gas units
Element life depends on the level of contamination in your system
this 10k ohm thermistor provides real-time resistance feedback to your BAS (Building Automation System)
Siemens Building Technology 331-2976 Actuator 318172-701 This 120V blocked vent switchThe Siemens 331 2976 is a heavy duty No. 4 pneumatic damper actuator engineered for precise control in commercial HVACR systems. Specifically designed for applications requiring a 4 inch stroke and a 5 10 psi spring range, this unit provides the necessary force for the gradual or positive actuation of damper linkages. Its rugged steel housing is finished with a cathodic epoxy electrocoat to resist corrosion, making it a reliable choice for air