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The Service First BAYSWT14AHALTA is a pressure switch designed for high altitude applications. This switch is rated at -0.50 inches of water column and is suitable for residential HVAC systems. It is essential for ensuring proper furnace operation at higher elevations where air pressure is lower. This pressure switch acts as a safety device that confirms the system is functioning correctly before it allows the burners to ignite.
This switch helps maintain efficiency and safety in furnaces located at elevated altitudes.
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