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The Nordyne 669073R Filter is an OEM replacement HVAC filter engineered for precise fitment in specific Nordyne
providing 5/8" OD visibility right out of the box
Maintenance-Free Design: Engineered for dependable
fail-safe component for zone control dampening and ventilation management
Key Benefits: Direct OEM Match: Precision-engineered as the official replacement for 100165860 and 100165860K
York S1-024-39716-000 Pressure Switch 321894-709 The Nordyne 669073R Filter isMaintain precise combustion control and system safety with the York S1 024 39716 000 Pressure Switch. This genuine OEM replacement part is factory calibrated to a 0. 20" WC (Water Column) set point, specifically engineered for induced draft furnace draft monitoring. As a critical safety interlock, it verifies that the combustion blower is moving sufficient air to exhaust flue gases before allowing the ignition sequence to proceed. It is a direct fit