DuraVent PolyPro 8" Vertical Termination Double-Wall Venting System w27.17 This handset control works like

This handset control works like your TV remote

and 8122-CB

Slides over the post and secures to the post with the set screws

This is a normal trait of cast concrete and is not covered under warranty

DuraVent PolyPro 8" Vertical Termination Double-Wall Venting System w27.17 This handset control works likeOverview DuraVent is the premier company in the venting industry. With a broad range of engineered venting products, DuraVent has earned its reputation as the industry leader by offering innovative, safe, and professional products for the HVAC and Hearth markets. PolyPro and PVC CPVC: PVC pipes are commonly used for venting water heaters, condensing boilers, and warm air furnaces. PolyPro is an engineered alternative for condensing gas appliances.