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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.

Items 751 to 760 of 2199 total

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  1. Z-Flex Z-Vent 14" Base Support Stainless Steel Venting (2SVSBS14)

    Z-Flex Z-Vent 14" Base Support (2SVSBS14)

    Z-Flex Z-Vent 14" Base Support (2SVSBS14)

    Single Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $409.04

    Special Price: $327.23

    Details
  2. Z-Flex 5.5" x 45' Length of Aluminum 2-Ply Chimney Liner (2GAXXXX05.545)

    Z-Flex 5.5" x 45' Length of Aluminum 2-Ply Chimney Liner (2GAXXXX05.545)

    Z-Flex 5.5" x 45' Length of Aluminum 2-Ply Liner (2GAXXXX05.545)

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

    Regular Price: $408.66

    Special Price: $326.93

    Details
  3. Z-Flex Z-Vent 18" x 6" Stainless Steel Vent Pipe (2SVDP18.5)

    Z-Flex Z-Vent 18" x 6" Stainless Steel Vent Pipe (2SVDP18.5)

    Z-Flex Z-Vent 18" x 6" Stainless Steel Vent Pipe (2SVDP18.5)

    Double Walled. Learn More

    Regular Price: $408.45

    Special Price: $326.76

    Details
  4. Z-Flex Z-Vent 8" to 14" Concentric Increaser Stainless Steel Venting (2SVSI0814)

    Z-Flex Z-Vent 8" to 14" Concentric Increaser (2SVSI0814)

    Z-Flex Z-Vent 8" to 14" Concentric Increaser (2SVSI0814)

    Single Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $406.87

    Special Price: $325.50

    Details
  5. Z-Flex Z-Vent 8" Wall Thimble Stainless Steel Venting (2SVDWT08)

    Z-Flex Z-Vent 8" Wall Thimble (2SVDWT08)

    Z-Flex Z-Vent 8" Wall Thimble (2SVDWT08)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $406.42

    Special Price: $325.14

    Details
  6. Z-Flex 7" x 35' Length of Aluminum 2-Ply Chimney Liner (2GAXXXX0735)

    Z-Flex 7" x 35' Length of Aluminum 2-Ply Chimney Liner (2GAXXXX0735)

    Z-Flex 7" x 35' Length of Aluminum 2-Ply Liner (2GAXXXX0735)

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

    Regular Price: $406.02

    Special Price: $324.82

    Details
  7. Z-Flex Z-Dens 6" Round Chimney Cover (2ZDCC8)

    Z-Flex Z-Dens 6" Round Chimney Cover (2ZDCC8)

    Z-Flex Z-Dens 6" Round Chimney Cover (2ZDCC8)

    Single Walled. Covers vertical installation Learn More

    Regular Price: $405.71

    Special Price: $324.56

    Details
  8. Z-Flex Z-Vent 14" x 6" Stainless Steel Vent Pipe (2SVEP14.5)

    Z-Flex Z-Vent 20" x 6" Stainless Steel Vent Pipe (2SVEP20.5)

    Z-Flex Z-Vent 20" x 6" Stainless Steel Vent Pipe (2SVEP20.5)

    Single Walled. Can be cut to length Learn More

    Regular Price: $405.16

    Special Price: $324.13

    Details
  9. Z-Flex 4" x 50' Aluminum 2-Ply Chimney Liner Kit (2GACKIT0450)

    Z-Flex 4" x 50' Aluminum 2-Ply Chimney Liner Kit (2GACKIT0450)

    Z-Flex 4" x 50' Aluminum 2-Ply Chimney Liner Kit (2GACKIT0450)

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

    Regular Price: $404.46

    Special Price: $323.56

    Details
  10. Z-Flex Z-Dens 6" 87 Degree Elbow - White (2ZDE887)

    Z-Flex Z-Dens 6" 87 Degree Elbow - White (2ZDE887)

    Z-Flex Z-Dens 6" 87 Degree Elbow - White (2ZDE887)

    Single Walled. Can be cut to length Learn More

    Regular Price: $403.98

    Special Price: $323.18

    Details

Items 751 to 760 of 2199 total

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  2. Z-Dens 2" Single-Wall Venting (59)
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  32. Z-Vent 14" Single-Wall Vent (32)
  33. Z-Vent 16" Single-Wall Vent (34)
  34. Z-Vent 18" Single-Wall Vent (32)
  35. Z-Vent 20" Single-Wall Vent (31)
  36. Z-Vent 22" Single-Wall Vent (31)
  37. Z-Vent 24" Single-Wall Vent (31)
  38. Z-Vent 3" Double-Wall Vent (30)
  39. Z-Vent 4" Double-Wall Vent (32)
  40. Z-Vent 5" Double-Wall Vent (33)
  41. Z-Vent 6" Double-Wall Vent (40)
  42. Z-Vent 7" Double-Wall Vent (36)
  43. Z-Vent 8" Double-Wall Vent (39)
  44. Z-Vent 9" Double-Wall Vent (32)
  45. Z-Vent 10" Double-Wall Vent (37)
  46. Z-Vent 12" Double-Wall Vent (37)
  47. Z-Vent 14" Double-Wall Vent (35)
  48. Z-Vent 16" Double-Wall Vent (38)
  49. Z-Vent 18" Double-Wall Vent (32)
  50. Z-Vent 20" Double-Wall Vent (32)
  51. Z-Vent 22" Double-Wall Vent (31)
  52. Z-Vent 24" Double-Wall Vent (31)
Material of Construction
  1. Aluminum (433)
  2. Ceramic Fiber (18)
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  4. Stainless Steel (171)
  5. Stainless Steel AL29-4C (1177)
  6. Stainless Steel 304 (23)
  7. Polypropylene (260)
Product Sub Type
  1. Concentric (56)
  2. Flexible (692)
  3. Rigid (1435)
Venting Style
  1. Z-Flex Chimney Liner (860)
  2. Z-Flex Z-Dens Polypropylene (260)
  3. Z-Flex Z-Vent Dble-Wall SS (515)
  4. Z-Flex Z-Vent Single-Wall SS (548)
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