Hargrove 18" Vent Free Natural Gas Burner With Millivolt Control Valve for Blaze Logs - ANSI Z21.60 sqft2100 For use with Symmetry and

For use with Symmetry and Symmetry B 74" fireplaces

Item Number 3BVIS Series Round Type B Gas Vent Model BV (3" - 30") Product Type Attic Insulation Shield Inside Wall Aluminum Outside Wall Galvanized Steel Size (Diameter) 3" - 4" A 6 3/4" B 7 3/16" C 9 1/4" Technical Dimensions

Adjusts from 4 - 1/8” to 7” to fit thickness of wall

Its surface is PVC coating which is waterproof and durable

Unique double wall design increases airflow and effectively reduces smoke

Hargrove 18" Vent Free Natural Gas Burner With Millivolt Control Valve for Blaze Logs - ANSI Z21.60 sqft2100 For use with Symmetry andHargrove burner systems are the heart of the vented gas log set, providing the warmth and natural flame patterns that recreate the ambience and beauty of a real wood fire, without the smoke, ashes, and mess. What's Included Burner Assembly Millivolt Control Valve Custom Grate Sand or Vermiculite Embers Volcanic Cinder Fittings Non whistling Flex Connector Features Burner System for Blaze Millivolt Control Valve Specifications Model 18CNEF2C1 Product