Metal-Fab Type B-Vent 30" Storm Collar 35in Why is the BTU according

Why is the BTU according to EPA test data smaller than the one advertised

Variety of color blending techniques

Item Number OPT-30AVPCFWE12V-WHT-LP UPC Code 196111379828 Manufacturer The Outdoor Plus Brand Name The Outdoor Plus Material Powder Coated Metal Collection Avalon Finish White Shape Square Fuel Type Liquid Propane Ignition 12V Electronic Ignition Hides Propane Tank No Burner Material 304 Stainless Steel Product Category Fire & Water Bowl Size 30" Height 13" Base 15" Documents & Files

The adjustable length overlaps the standard pipe section to permit adjustments from 3” to 10”

Model 8DWB45  Application Designed for installations from the appliance/stove to high-temperature chimney products

Metal-Fab Type B-Vent 30" Storm Collar 35in Why is the BTU accordingType B Gas Vent products are tested and listed to UL 441 for approved gas appliances and feature our innovative twist lock connection and locking tab, eliminating the need for sheet metal screws. Metal Fab Type B Gas Vent combines hemmed flues and casings that maximize product durability and reliability and minimize installation time. Designed for versatility, Metal Fab Type B Gas Vent products 3" 6" adapt to major competing brands and when installed