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Chrome-bevel sheet on grid paper — specs and return notes filed under the bay.
the one-piece molded Buna-N valve seat is typically a separate component of the valve stem assembly
5" footprint and performance specs
Veteran technicians know that a warped or corroded furnace back plate can lead to vacuum leaks
Technicians should verify the specific compressor wiring diagram
Trane CNT3666 Pressure Switch 323080-701 the one-piece molded Buna-N valveThe Trane CNT3666 Pressure Switch is a critical safety component engineered for precise draft monitoring in high efficiency HVAC systems. This single pole single throw (SPST) switch is factory calibrated to a 0. 15" WC set point, ensuring the inducer motor establishes a proper vacuum before allowing the ignition sequence to proceed. Designed as a direct OEM replacement pressure switch, it features a 1 4" barbed connection for secure pneumatic tubing
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