Williams 9307 Kit 319825-402 This model features a 7/8"

This model features a 7/8" Solder ODF hot gas inlet and 1 3/8" Solder connections for both the liquid inlet and the mixed outlet

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Can I use this coil for a 410A conversion

Direct Replacement: OEM-quality Antunes 8021203090 ensures compatibility with existing mounting footprints in SMD-series installations

Professional Reliability: Built by a leading manufacturer in HVACR components to meet the rigorous standards of field service technicians

Williams 9307 Kit 319825-402 This model features a 7/8"The Williams 9307 Thin Wall Collar Kit is an essential component for technicians installing Williams Direct Vent Wall Furnaces in structures with external wall thicknesses between 1 and 5 inches. This technical assembly adds 4 inches to the effective wall profile, ensuring the external vent cap achieves the required 1 1 4 inch engagement with the air inlet and flue tubes to maintain a sealed combustion system. Constructed from heavy duty galvanized