DuraVent PolyPro 8" Storm Collar Double-Wall Venting System w35.25 It is only possible to

It is only possible to setup zones for same type of heating appliances

air-insulated design offers superior performance

Attractive cast iron finish

Total Comfort for a Fraction of the Cost of Electric Heat

DuraVent PolyPro 8" Storm Collar Double-Wall Venting System w35.25 It is only possible toOverview 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.