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the 272743 should be replaced if the ceramic is cracked or the metal is severely pitted to ensure system reliability
Can I use this without a master Building Automation System
an "AC Reversed" fault is typically a wiring issue at the power supply
Designed for specialized HVAC applications
Lennox 78M19 Supply Air Sensor 321702-401 the 272743 should be replacedThe Lennox 78M19 Supply Air Sensor (alternative part C0SNSR20AE1) is an essential component for maintaining precision discharge air control in high performance HVAC systems. Designed for integration with Lennox Prodigy Unit Controllers and CORE Control Systems, this supply static differential pressure sensor provides the critical feedback needed for Constant Air Volume Bypass (CAVB) and Variable Air Volume (VAV) applications. Whether you are servicing
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