DESCRIPTION

  • Approved for use with category 1 gas furnaces, heaters, and boilers
  • Design eliminates sharp edges by hemming the flue and casing
  • Double wall design enables use at close clearance to combustibles
  • Increases a 3” drafthood outlet to a 4” B-Vent outlet

Metal Fab Type B Vent Hood Increaser

M3MDC4

Inside Diameter 2:

SPECIFICATIONS

Inside Diameter
3 in
Inside Diameter 2
4 in
Material
Galvanized Steel

Starting at
Call for Pricing
  • QUANTITY