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Bosch Therm gas and propane tankless water heaters and Bosch Powerstream electric tankless water heaters.

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Z-Flex

Z-Flex Z-Vent Stainless Steel Venting is the perfect choice for tankless water heaters and boilers. 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 Z-Dens Polypropylene vent pipe is ULC S636 certified for use with high efficiency condensing oil and gas fired heating appliances having flue gas temperatures up to 230°F (110°C). Specially developed, fire retardant Polypropylene. Cat II, IV Special Gas Vent. Gas Vent BH, Class IIc. Suitable for use with negative and positive pressure appliances.

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  1. Z-Flex 8" Fixed Stainless Steel 90 Degree Elbow (2RE90XX08)

    Z-Flex 8" Fixed Stainless Steel 90 Degree Elbow (2RE90XX08)

    Z-Flex 8" Fixed Stainless Steel 90 Degree Elbow (2RE90XX08)

    For Use with Category I Natural-Draft Gas-Fired Heating Equipment and Gas Fireplaces Learn More

    Regular Price: $86.92

    Special Price: $69.53

    Details
  2. Z-Flex 10" Stainless Steel Top Support (2ZTSXXX10)

    Z-Flex 10" Stainless Steel Top Support (2ZTSXXX10)

    Z-Flex 10" Stainless Steel Top Support (2ZTSXXX10)

    For Use with Category I Natural-Draft Gas-Fired Heating Equipment and Gas Fireplaces Learn More

    Regular Price: $86.72

    Special Price: $69.38

    Details
  3. Z-Flex 5" x 10' Length of Aluminum 2-Ply Chimney Liner (2GAXXXX0510)

    Z-Flex 5" x 10' Length of Aluminum 2-Ply Chimney Liner (2GAXXXX0510)

    Z-Flex 5" x 10' Length of Aluminum 2-Ply Liner (2GAXXXX0510)

    Extra Aluminum Length For Use with Category I Natural-Draft Gas-Fired Heating Equipment and Gas Fireplaces Learn More

    Regular Price: $86.02

    Special Price: $68.82

    Details
  4. Z-Flex 4" Aluminum 2-Ply Chimney Liner Extension Kit (2GAEXT0410)

    Z-Flex 4" Aluminum 2-Ply Extension Kit (2GAEXT0410)

    Z-Flex 4" Aluminum 2-Ply Extension Kit (2GAEXT0410)

    Aluminum Liner Extension For Use with Category I Natural-Draft Gas-Fired Heating Equipment and Gas Fireplaces Learn More

    Regular Price: $85.39

    Special Price: $68.31

    Details
  5. Z-Flex 3" x 6' Gas Single Vent Kit (2SVKXXX0306)

    Z-Flex 3" x 6' Gas Single Vent Kit (2SVKXXX0306)

    Z-Flex 3" x 6' Gas Single Vent Kit (2SVKXXX0306)

    Flexible Connector Length For Use with Category I Natural-Draft Gas-Fired Heating Equipment and Gas Fireplaces Learn More

    Regular Price: $84.94

    Special Price: $67.95

    Details
  6. Z-Flex 3" Stainless Steel Rigid Stacking Tee w/ Cap (2ZRBTXX03)

    Z-Flex 3" Stainless Steel Rigid Stacking Tee w/ Cap (2ZRBTXX03)

    Z-Flex 3" Stainless Steel Rigid Stacking Tee w/ Cap (2ZRBTXX03)

    For Use with Category I Natural-Draft Gas-Fired Heating Equipment and Gas Fireplaces Learn More

    Regular Price: $84.88

    Special Price: $67.91

    Details
  7. Z-Flex 9" x 2' 304 Stainless Steel Rigid Liner (2ZR321F0902)

    Z-Flex 9" x 2' 304 Stainless Steel Rigid Liner (2ZR321F0902)

    Z-Flex 9" x 2' 304 Stainless Steel Rigid Liner (2ZR321F0902)

    For Use with Category I Natural-Draft Gas-Fired Heating Equipment and Gas Fireplaces Learn More

    Regular Price: $83.77

    Special Price: $67.02

    Details
  8. Z-Flex 10" x 1' 304 Stainless Steel Rigid Liner (2ZR321F1001)

    Z-Flex 10" x 1' 304 Stainless Steel Rigid Liner (2ZR321F1001)

    Z-Flex 10" x 1' 304 Stainless Steel Rigid Liner (2ZR321F1001)

    For Use with Category I Natural-Draft Gas-Fired Heating Equipment and Gas Fireplaces Learn More

    Regular Price: $83.56

    Special Price: $66.85

    Details
  9. Z-Flex 10" Stainless Steel Chimney Flashing (2ZSCSXX10)

    Z-Flex 10" Stainless Steel Chimney Flashing (2ZSCSXX10)

    Z-Flex 10" Stainless Steel Chimney Flashing (2ZSCSXX10)

    For Use with Category I Natural-Draft Gas-Fired Heating Equipment and Gas Fireplaces Learn More

    Regular Price: $83.48

    Special Price: $66.79

    Details
  10. Z-Flex 9" Stainless Steel Chimney Flashing (2ZSCSXX09)

    Z-Flex 9" Stainless Steel Chimney Flashing (2ZSCSXX09)

    Z-Flex 9" Stainless Steel Chimney Flashing (2ZSCSXX09)

    For Use with Category I Natural-Draft Gas-Fired Heating Equipment and Gas Fireplaces Learn More

    Regular Price: $82.48

    Special Price: $65.99

    Details

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Application
  1. Commercial,Residential (49)
Color
  1. Silver (49)
Material of Construction
  1. Aluminum (8)
  2. Galvanized Steel (14)
  3. Stainless Steel (22)
  4. Stainless Steel 304 (5)
Product Sub Type
  1. Flexible (11)
  2. Rigid (38)
Product Type
  1. Z-Flex 2" Chimney Liner (1)
  2. Z-Flex 3" Chimney Liner (6)
  3. Z-Flex 4" Chimney Liner (4)
  4. Z-Flex 5" Chimney Liner (6)
  5. Z-Flex 5.5" Chimney Liner (3)
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  8. Z-Flex 8" Chimney Liner (7)
  9. Z-Flex 9" Chimney Liner (3)
  10. Z-Flex 10" Chimney Liner (3)
Venting Type
  1. Kits (5)
  2. Elbows (2)
  3. Tees (1)
  4. Increasers (2)
  5. Rain Caps (2)
  6. Aerocowls (1)
  7. Chimney Liner Connectors (23)
  8. Intake Air Ducts (2)
  9. Chimney Liner Lengths (6)
  10. Nose Cones (3)
  11. Decreasers (2)
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