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including both Natural Gas (Y90AA-3223) and LP Gas (Y90AA-4212) inlet fittings to simplify field conversions
Safety and Compliance: Designed to maintain a secure barrier between combustion byproducts and the building's air supply
Signal Stability: Internal digital compensation maintains 4-20mA signal integrity regardless of ambient temperature fluctuations
preventing over-travel or restricted flow in Johnson Controls VT valves
eliminating the diagnostic headaches often associated with universal aftermarket alternatives
York S1-373-39494-002 Kit 320734-701 including both Natural Gas (Y90AA-3223)Ensure peak combustion performance in 60,000 BTU h high efficiency heating systems with the York S1 373 39494 002 Burner Plate Kit. Engineered specifically for 95% AFUE gas furnaces, this genuine OEM York replacement part provides the critical structural foundation for the burner assembly, facilitating uniform flame distribution and optimal thermal transfer. For service technicians, this kit is the standard for resolving combustion instability or
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