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while the 1/2 PSI maximum pressure rating ensures stability in high-demand environments
Prevents sediment buildup and seat fouling via a raised seat design
Internal Equalization: Reduces installation time and potential leak points by removing the requirement for an external pressure line
The included plug kit is used to adapt the board to specific HVAC wiring harnesses that may have been updated since the original unit's manufacture
OEM Compatibility: Specifically engineered for York 028 series applications
Williams 9902 Adapter 328140-751 while the 1/2 PSI maximumThe Williams 9902 Vent Adapter is a critical component for surface mounted furnace installations where standard venting configurations are not feasible. Field engineered for Williams Monterey and Forsaire single sided heaters, this top vent adapter facilitates high integrity exhaust connections, particularly when venting into a properly lined chimney. It is specifically designed for systems without a blower motor installed; for configurations
US$ 165.00
US$ 117.51
