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Ships within 48 hours · Estimated delivery Aug 29 - Sep 3
Check the valve manufacturer on the furnace before proceeding
this Williams replacement part is engineered to meet OEM specifications for exact fit and performance
ECM Efficiency: Features X13 technology for lower energy consumption compared to standard PSC motors while maintaining 1050 RPM output
This board is the authorized factory replacement for part numbers PCBFM131S and PCBFM103
Factory Authorization: Meets rigorous internal standards for balance and material integrity
York S1-700078 Sight Glass 320735-701 Check the valve manufacturer onThe York S1 700078 Sight Glass (Model SA 13) is a critical diagnostic component designed for precision refrigerant flow monitoring in commercial and residential HVAC systems. Engineered for high pressure environments, this SA 13 sightglass provides a high visibility interface to inspect for bubbles, flash gas, and moisture contamination within the liquid line. Featuring a robust fiberglass body and a clear view window, it allows technicians to verify
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