The polysulfone and stainless steel construction are selected for their ability to handle elevated temperatures and pressures up to 150 PSI

ensuring no modifications are needed for older installs

including lubrication oil

For contractors managing hydronic or steam systems

Featuring a 48-inch lead length

Williams 9902 Adapter R-410A The polysulfone and stainless steelThe 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