Type 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 establish a UL Listed connection.

Metal-Fab 5MF-12

Hart & Cooley 10RTF B-Vent Tall Cone Flashing 10"

Hart & Cooley 10RP18

Hart & Cooley 0.012" Aluminum Inner and 0.018" G90 Galvanized Steel

• Deep locking groove assures solid joint and secure lock
• Corrosion resistant aluminum inner wall for rapid warm-up
• Unique locking band provides 360 deg turning radius of the pipe and fittings
• Locking band slides over tabs easily, locks firmly without twisting
• Locking tabs hold pipe securely together, can be easily unlocked
• Positive stop provides proper alignment and positive fit for mating end of pipe or fitting
• Reinforced ends curled bead on end of outer pipe for rigidity and strength
• The allowable minimum clearance to combustibles is 1"
• A full set of installation instructions are supplied with caps and supports Hart & Cooley 10RP3 B-Vent Pipe 10" x 36" Natural Gas Aluminum Inner & Galvanized Steel Outer,
  
  
  

  Hart & Cooley 10RP3

Hart & Cooley 0.012" Aluminum Inner and 0.018" G90 Galvanized Steel

• Deep locking groove assures solid joint and secure lock
• Corrosion resistant aluminum inner wall for rapid warm-up
• Unique locking band provides 360 deg turning radius of the pipe and fittings
• Locking band slides over tabs easily, locks firmly without twisting
• Locking tabs hold pipe securely together, can be easily unlocked
• Positive stop provides proper alignment and positive fit for mating end of pipe or fitting
• Reinforced ends curled bead on end of outer pipe for rigidity and strength
• The allowable minimum clearance to combustibles is 1"
• A full set of installation instructions are supplied with caps and supports Hart & Cooley 10RP3 B-Vent Pipe 10" x 36" Natural Gas Aluminum Inner & Galvanized Steel Outer,
  
  
  

  Hart & Cooley 10RP5

Hart & Cooley 0.012" Aluminum Inner and 0.018" G90 Galvanized Steel

• Deep locking groove assures solid joint and secure lock
• Corrosion resistant aluminum inner wall for rapid warm-up
• Unique locking band provides 360 deg turning radius of the pipe and fittings
• Locking band slides over tabs easily, locks firmly without twisting
• Locking tabs hold pipe securely together, can be easily unlocked
• Positive stop provides proper alignment and positive fit for mating end of pipe or fitting
• Reinforced ends curled bead on end of outer pipe for rigidity and strength
• The allowable minimum clearance to combustibles is 1"
• A full set of installation instructions are supplied with caps and supports Hart & Cooley 10RP3 B-Vent Pipe 10" x 36" Natural Gas Aluminum Inner & Galvanized Steel Outer,
  
  
  

  Hart & Cooley 10RPA

Z-Flex 2SVEEWCF0345 Single-Wall 45 Degree Elbow 3" Stainless Steel
Z-Flex Z-Vent is rated AL29-4C and is approved for Category I (vertical only), II, III & IV applications and is designed for use with boilers, high efficiency gas and oil heaters and water heaters where cool flue gases are vented under pressure. Z-Vent contains a built-in, fail-safe gasket and locking band connection. No sealant is required.,

Z-Flex 2SVEEWC0590

Z-Flex 2SVEPWCF31 Single-Wall Pipe 3" x 112" Stainless Steel
Z-Flex Z-Vent is rated AL29-4C and is approved for Category I (vertical only), II, III & IV applications and is designed for use with boilers, high efficiency gas and oil heaters and water heaters where cool flue gases are vented under pressure. Z-Vent contains a built-in, fail-safe gasket and locking band connection. No sealant is required.,

Z-Flex 2SVEPWCF0404

Z-Flex Z-Vent 2SVEPWCF0303 Single-Wall Pipe 3" x 36" Stainless Steel

• Gasketed connections
• Fusion welded pipe seams
• No sealant required, no cure time, or no call backs
• Air tight seam, smooth finish, better fit
• Metallic special gas vent cut to length on site (single wall version) saves time and lowers cost.
• Highest pressure rating in the industry greater than five time the industry standard,
  
  
  
  

  Z-Flex 2SVEPWCF0301.5

Hart & Cooley 0.012" Aluminum Inner and 0.018" G90 Galvanized Steel

• Deep locking groove assures solid joint and secure lock
• Corrosion resistant aluminum inner wall for rapid warm-up
• Unique locking band provides 360 deg turning radius of the pipe and fittings
• Locking band slides over tabs easily, locks firmly without twisting
• Locking tabs hold pipe securely together, can be easily unlocked
• Positive stop provides proper alignment and positive fit for mating end of pipe or fitting
• Reinforced ends curled bead on end of outer pipe for rigidity and strength
• The allowable minimum clearance to combustibles is 1"
• A full set of installation instructions are supplied with caps and supports Hart & Cooley 10RP3 B-Vent Pipe 10" x 36" Natural Gas Aluminum Inner & Galvanized Steel Outer,
  
  
  

  Hart & Cooley 3RGS

Hart & Cooley 0.012" Aluminum Inner and 0.018" G90 Galvanized Steel

• Deep locking groove assures solid joint and secure lock
• Corrosion resistant aluminum inner wall for rapid warm-up
• Unique locking band provides 360 deg turning radius of the pipe and fittings
• Locking band slides over tabs easily, locks firmly without twisting
• Locking tabs hold pipe securely together, can be easily unlocked
• Positive stop provides proper alignment and positive fit for mating end of pipe or fitting
• Reinforced ends curled bead on end of outer pipe for rigidity and strength
• The allowable minimum clearance to combustibles is 1"
• A full set of installation instructions are supplied with caps and supports Hart & Cooley 10RP3 B-Vent Pipe 10" x 36" Natural Gas Aluminum Inner & Galvanized Steel Outer,

  Hart & Cooley 4RP4