CVP-45ELB Noritz Concentric 45 Degree Elbow  The CVP-45ELB is a finely finished durable stainless steel elbow connection vent line for your direction change and transition applications. This 45 degree elbow has a simple push on connection, anti-corrosive and heat resistant connections, and is compatible with all heaters from the DVC series. As part of the N-Vent series, this product is UL approved category III venting, and is an integral part of the quick-snap connection system, known for easy installation and forming tight seals.45 Degree ElbowStainless Steel