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Maintains Precise Flow: The yellow orifice ensures accurate volumetric delivery
Signal Integrity: High-grade shielding to prevent EMI/RFI interference in HVAC control circuits
Common signs include the furnace shutting down before the thermostat reaches its set point
it creates a reliable water seal that prevents high-temperature vapor from reaching the sensitive bellows of your Honeywell L404
Trane CNT4671 Limit 320735-701 Maintains Precise Flow: The yellowThe Trane CNT4671 Limit Switch is a critical safety component designed for precise thermal regulation within high performance HVAC systems. This OEM Trane replacement part operates on a Single Pole Single Throw (SPST) configuration and is Normally Closed (N C) under standard operating conditions. Engineered specifically for high limit protection, the 190F Autoreset Limit triggers an open circuit when temperatures exceed the safety threshold,
