M&G DuraVent announces it has received more key approvals for its PolyPro venting systems. Bradford White has now approved PolyPro single-wall, concentric, and flex for all Power Direct Vent tank-type water heaters that accept PVC, CPVC or ABS venting. All Power Direct Vent models are approved to be vented with PolyPro. Bradford White’s approval includes its high-efficiency condensing commercial Power Direct Vent Commercial, Power Direct Vent Residential and Power Vent Residential models. PolyPro is an engineered system specifically designed for venting heating appliances. Gasketed joints require no primers or adhesives and easily assemble in seconds with just a splash of water. Terminations are designed for superior performance in poor environmental conditions.