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Reliable Performance: Built with high-quality electronic components to replace older mechanical controls for superior accuracy and longevity
Key Benefits ASME Section IV Certified: Specifically rated for low-pressure steam heating boiler safety with National Board capacity listing
Enhanced Safety Logic: Features integrated flame sensing and automatic gas valve control to mitigate lockout issues and ensure safe burner operation
Maintains proper airflow through outdoor condensing units
5” width) allow for a flush-mount fit on a variety of Carrier thermostat and control board assemblies
Lochinvar & A.O. Smith 100290352 Limit 326070-701 Reliable Performance: Built with high-qualityThe Lochinvar & A. O. Smith 100290352 Limit Switch is a critical safety component designed for high performance hydronic and domestic hot water systems. This 220 degree high limit switch acts as a primary fail safe, monitoring internal temperatures to prevent thermal runaway. Engineering specifications confirm this is a manual reset limit switch, requiring a technician's physical intervention to restore operation after a tripa vital feature for
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