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Duotone terrace — saffron brief on the left, garden-folded ledger on the right.
Using it with LP requires a different orifice size to avoid hazardous over-firing
ensuring correct pin-to-pin alignment and voltage regulation
Key Benefits Dual-Function Diagnostics: Provides simultaneous liquid line clarity monitoring and moisture detection to help prevent compressor failure
and thermostats
Synthetic Lubricant Compatibility: The stainless steel internal mechanism is resistant to the chemical breakdown often caused by synthetic compressor oils
York S1-024-39717-000 Switch 321702-401 Using it with LP requiresThe York S1 024 39717 000 Switch is a critical OEM replacement component engineered for factory precise monitoring of air pressure within high efficiency HVAC systems. This two stage pressure switch is calibrated to a 0. 45 in WC set point, specifically designed to interface with multi stage furnace induction systems. In a professional field application, this switch acts as a safety interlock, validating that the inducer motor is moving the required