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The standard 121L1726/120U1726 package typically excludes the crankcase heater
This centrifugal fan wheel is a critical component for restoring specific CFM ratings and thermal efficiency in Carrier
yellow flame tips
As a veteran-grade HVAC variable frequency drive interface
recurring furnace lockout usually indicates the flame sensor probe requires replacement to ensure signal integrity
Trane SWT2973 Pressure Switch 324846-701 The standard 121L1726/120U1726 package typicallyThe Trane SWT2973 Pressure Switch is an essential OEM safety component designed for precise draft monitoring in Trane and American Standard gas furnaces. Engineered for a 24V control circuit, this high performance sensor ensures the inducer motor establishes a proper vacuum before allowing the ignition sequence to proceed. It features a critical setpoint configuration, precisely calibrated to open at 1. 33" WC and close at 1. 52" WC, preventing unsafe
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US$ 717.50
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