DuraVent 46DVA-E90 90° Elbow Type_Vacuum Switch Warming Trends™ patented technology is

Warming Trends™ patented technology is unique only to our Crossfire™ Brass Burner System

Tested up to 700 lbs

For anyone running the Spa Marvel system

Whether you're replacing a worn-out element or upgrading your ignition system

but it doesn't burn off that organic load — and when it builds up

DuraVent 46DVA-E90 90° Elbow Type_Vacuum Switch Warming Trends™ patented technology isDuraVent 46DVA E90 90 Elbow Overview Use to offset obstructions as needed. Fully unitized, twist lock construction. Elbow swivel, allowing the lock to remain fully engaged while aligning the desired direction. The angle will remain fixed at 90. What's in the Box 1 x DuraVent 46DVA E90 90 Elbow Specifications Material: Galvanized Steel Diameters: 4" x 6 5 8" Inner Material: Aluminum Brand DuraVent