4" Universal Appliance Adapter w/ Back-flow Preventer & Cond. Drain HS120 A 4" Top Support /

A 4" Top Support / Storm Collar (2SVSLSF04) is also needed to make a weather seal with the roof flashing

Item #11: SH-07 & SH-10 / Item#3: SH-12

For use when the vent passes through a horizontal opening

Manifold Supply and Return Air Separator and Fluid Fill

Magazine loading-strips of 25 staples are joined together with a discreet plastic weld that allows staples to separate cleanly as they are engaged by the fastening mechanism

4" Universal Appliance Adapter w/ Back-flow Preventer & Cond. Drain HS120 A 4" Top Support /Universal appliance adapter with back flow preventer and condensation drain. Adapts Z Vent to Laars, Bosch, Nortec, Takagi, Paloma, Rheem, Modine and Reznor flue outlets. Adapter incorporates a back flow preventer and condensation drain with 3 8" nipple.