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Polypropylene Vent Pipe

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.

Z-Flex Z-Dens allows you to mix and match between single wall rigid, flexible and concentric venting parts.

45 Item(s)

Set Descending Direction
  1. Z-Flex Z-Dens 4" Rigid/Concentric Gasket - Black (2ZDG4)

    Z-Flex Z-Dens 4" Rigid/Concentric Gasket - Black (2ZDG4)

    Z-Flex Z-Dens 4" Rigid/Concentric Gasket - Black (2ZDG4)

    Requires gasket lubricant Learn More

    Regular Price: $34.43

    Special Price: $27.54

    Details
  2. Z-Flex Z-Dens 4" 87 Degree Elbow - Black (2ZDE487UV)

    Z-Flex Z-Dens 4" 87 Degree Elbow - Black (2ZDE487UV)

    Z-Flex Z-Dens 4" 87 Degree Elbow - Black (2ZDE487UV)

    Single Walled. Can be cut to length Learn More

    Regular Price: $38.46

    Special Price: $30.76

    Details
  3. Z-Flex Z-Dens 4" 45 Degree Elbow - Black (2ZDE445UV)

    Z-Flex Z-Dens 4" 45 Degree Elbow - Black (2ZDE445UV)

    Z-Flex Z-Dens 4" 45 Degree Elbow - Black (2ZDE445UV)

    Single Walled. Can be cut to length Learn More

    Regular Price: $38.46

    Special Price: $30.76

    Details
  4. Z-Flex Z-Dens 4" Locking Clamp (2ZDLC4)

    Z-Flex Z-Dens 4" Locking Clamp (2ZDLC4)

    Z-Flex Z-Dens 4" Locking Clamp (2ZDLC4)

    Single Walled. For securing purposes Learn More

    Regular Price: $41.06

    Special Price: $32.84

    Details
  5. Z-Flex Z-Dens 2.4" to 8.4" Adjustable Pipe - White (2ZDAP4)

    Z-Flex Z-Dens 2.4" to 8.4" Adjustable Pipe - White (2ZDAP4)

    Z-Flex Z-Dens 2.4" to 8.4" Adjustable Pipe - White (2ZDAP4)

    Single Walled. Can be cut and adjusted to length Learn More

    Regular Price: $43.71

    Special Price: $34.97

    Details
  6. Z-Flex Z-Dens 4" x 24" Polypropylene Vent Pipe - Grey (2ZDP424)

    Z-Flex Z-Dens 4" x 24" Polypropylene Vent Pipe - Grey (2ZDP424)

    Z-Flex Z-Dens 4" x 24" Polypropylene Vent Pipe - Grey (2ZDP424)

    Single Walled. Can be cut to length Learn More

    Regular Price: $46.16

    Special Price: $36.93

    Details
  7. Z-Flex Z-Dens 4" CPVC/PVC Coupling Adaptor - Stainless Steel (2ZDCPVC4)

    Z-Flex Z-Dens 4" CPVC/PVC Coupling Adaptor - Stainless Steel (2ZDCPVC4)

    Z-Flex Z-Dens 4" CPVC/PVC Coupling Adaptor - Stainless Steel (2ZDCPVC4)

    Adaptor for CPVC/PVC Learn More

    Regular Price: $48.01

    Special Price: $38.41

    Details
  8. Z-Flex Z-Dens 4" Adaptor - Z-Vent to 4" - Stainless Steel (2ZDZV4)

    Z-Flex Z-Dens 4" Adaptor - Z-Vent to 4" - Stainless Steel (2ZDZV4)

    Z-Flex Z-Dens 4" Adaptor - Z-Vent to 4" - Stainless Steel (2ZDZV4)

    Adaptor for CPVC/PVC Learn More

    Regular Price: $48.01

    Special Price: $38.41

    Details
  9. Z-Flex Z-Dens 4" CPVC/PVC Pipe Adaptor - Stainless Steel (2ZDCPVCF4)

    Z-Flex Z-Dens 4" CPVC/PVC Pipe Adaptor - Stainless Steel (2ZDCPVCF4)

    Z-Flex Z-Dens 4" CPVC/PVC Pipe Adaptor - Stainless Steel (2ZDCPVCF4)

    Adaptor for CPVC/PVC Learn More

    Regular Price: $48.01

    Special Price: $38.41

    Details
  10. Z-Flex Z-Dens Adaptor - Appliance with Gasket & Clamp 2� CPVC/PVC Coupling - Stainless Steel (2ZDCPVCG4)

    Z-Flex Z-Dens 4" Adaptor - Appliance with Gasket & Clamp - Stainless Steel (2ZDCPVCG4)

    Z-Flex Z-Dens 4" Adaptor - Appliance with Gasket & Clamp CPVC/PVC Coupling - Stainless Steel (2ZDCPVCG4)

    Adaptor with gasket and clamp Learn More

    Regular Price: $48.01

    Special Price: $38.41

    Details
  11. Z-Flex Z-Dens Adaptor - Takagi T-H3-DV/140-540 2� CPVC/PVC Coupling - Stainless Steel (2ZDTA4)

    Z-Flex Z-Dens 4" Adaptor - Takagi T-H3-DV/140-540 - Stainless Steel (2ZDTA4)

    Z-Flex Z-Dens 4" Adaptor - Takagi T-H3-DV/140-540 CPVC/PVC Coupling - Stainless Steel (2ZDTA4)

    Adaptor for Takagi Learn More

    Regular Price: $48.01

    Special Price: $38.41

    Details
  12. Z-Flex Z-Dens Adaptor - Appliance with Seal 2� CPVC/PVC Coupling - Stainless Steel (2ZDCPVCS4)

    Z-Flex Z-Dens 4" Adaptor - Appliance with Seal - Stainless Steel (2ZDCPVCS4)

    Z-Flex Z-Dens 4" Adaptor - Appliance with Seal CPVC/PVC Coupling - Stainless Steel (2ZDCPVCS4)

    Adaptor with gasket and clamp Learn More

    Regular Price: $48.01

    Special Price: $38.41

    Details
  13. Z-Flex Z-Dens 4" Flexible Ring (2ZDFR4)

    Z-Flex Z-Dens 4" Flexible Ring (2ZDFR4)

    Z-Flex Z-Dens 4" Flexible Ring (2ZDFR4)

    Single Walled. Learn More

    Regular Price: $49.55

    Special Price: $39.65

    Details
  14. Z-Flex Z-Dens 4" Concentric Increaser - 4" to 6" - White (2ZDI46)

    Z-Flex Z-Dens 4" Concentric Increaser - 4" to 6" - White (2ZDI46)

    Z-Flex Z-Dens 4" Concentric Increaser - 4" to 6" - White (2ZDI46)

    Single Walled. Can be cut to length Learn More

    Regular Price: $50.12

    Special Price: $40.09

    Details
  15. Z-Flex Z-Dens 4" Concentric Increaser - White (2ZDI44)

    Z-Flex Z-Dens 4" Concentric Increaser - White (2ZDI44)

    Z-Flex Z-Dens 4" Concentric Increaser - White (2ZDI44)

    Single Walled. Can be cut to length Learn More

    Regular Price: $50.12

    Special Price: $40.09

    Details
  16. Z-Flex Z-Dens 4" End Screen - Stainless Steel (2ZDES4)

    Z-Flex Z-Dens 4" End Screen - Stainless Steel (2ZDES4)

    Z-Flex Z-Dens 4" End Screen - Stainless Steel (2ZDES4)

    Single Walled. For inner pipe protection Learn More

    Regular Price: $50.61

    Special Price: $40.49

    Details
  17. Z-Flex Z-Dens 4" Fixing Bracket/Support Clamp (2ZDFB4)

    Z-Flex Z-Dens 4" Fixing Bracket/Support Clamp (2ZDFB4)

    Z-Flex Z-Dens 4" Fixing Bracket/Support Clamp (2ZDFB4)

    Single Walled. For securing purposes Learn More

    Regular Price: $52.33

    Special Price: $41.86

    Details
  18. Z-Flex Z-Dens 4" Flexible Spacer / Bracing Bracket (2ZDFS4)

    Z-Flex Z-Dens 4" Flexible Spacer / Bracing Bracket (2ZDFS4)

    Z-Flex Z-Dens 4" Flexible Spacer / Bracing Bracket (2ZDFS4)

    For use within chimney Learn More

    Regular Price: $52.47

    Special Price: $41.99

    Details
  19. Z-Flex Z-Dens 4" x 12" Polypropylene Vent Pipe - Grey (2ZDP412)

    Z-Flex Z-Dens 4" x 12" Polypropylene Vent Pipe - Grey (2ZDP412)

    Z-Flex Z-Dens 4" x 12" Polypropylene Vent Pipe - Grey (2ZDP412)

    Single Walled. Can be cut to length Learn More

    Regular Price: $52.73

    Special Price: $42.18

    Details
  20. Z-Flex Z-Dens Adapter IBC SL 4" to 4" 2� CPVC/PVC Coupling - Stainless Steel (2ZDIBC4)

    Z-Flex Z-Dens 4" Adapter IBC SL 4" to 4" - Stainless Steel (2ZDIBC4)

    Z-Flex Z-Dens 4" Adapter IBC SL 4" to 4" CPVC/PVC Coupling - Stainless Steel (2ZDIBC4)

    Adaptor for IBC SL series Learn More

    Regular Price: $53.58

    Special Price: $42.87

    Details
  21. Z-Flex Z-Dens 4" Concentric Termination Air Cap (2ZDCTAC6)

    Z-Flex Z-Dens 4" Concentric Termination Air Cap (2ZDCTAC6)

    Z-Flex Z-Dens 4" Concentric Termination Air Cap (2ZDCTAC6)

    For termination usage Learn More

    Regular Price: $57.36

    Special Price: $45.89

    Details
  22. Z-Flex Z-Dens 4" Rigid/Concentric Gasket - Brown (2ZDG4V)

    Z-Flex Z-Dens 4" Rigid/Concentric Gasket - Brown (2ZDG4V)

    Z-Flex Z-Dens 4" Rigid/Concentric Gasket - Brown (2ZDG4V)

    Requires gasket lubricant Learn More

    Regular Price: $57.91

    Special Price: $46.33

    Details
  23. Z-Flex Z-Dens 4" Test Port - White (2ZDTP4)

    Z-Flex Z-Dens 4" Test Port - White (2ZDTP4)

    Z-Flex Z-Dens 4" Test Port - White (2ZDTP4)

    Single Walled. For gas analysis. Learn More

    Regular Price: $58.45

    Special Price: $46.77

    Details
  24. Z-Flex Z-Dens 4" x 36" Polypropylene Vent Pipe - Grey (2ZDP436)

    Z-Flex Z-Dens 4" x 36" Polypropylene Vent Pipe - Grey (2ZDP436)

    Z-Flex Z-Dens 4" x 36" Polypropylene Vent Pipe - Grey (2ZDP436)

    Single Walled. Can be cut to length Learn More

    Regular Price: $64.56

    Special Price: $51.65

    Details
  25. Z-Flex Z-Dens 4" Flexible to Rigid Male Adaptor (2ZDFRA4)

    Z-Flex Z-Dens 4" Flexible to Rigid Male Adaptor (2ZDFRA4)

    Z-Flex Z-Dens 4" Flexible to Rigid Male Adaptor (2ZDFRA4)

    Single Walled. For conversion purposes Learn More

    Regular Price: $68.21

    Special Price: $54.57

    Details
  26. Z-Flex Z-Dens 4" Termination Tee with Screen - Stainless Steel (2ZDTT4)

    Z-Flex Z-Dens 4" Termination Tee with Screen - Stainless Steel (2ZDTT4)

    Z-Flex Z-Dens 4" Termination Tee with Screen - Stainless Steel (2ZDTT4)

    Single Walled. For inner pipe protection Learn More

    Regular Price: $79.97

    Special Price: $63.97

    Details
  27. Z-Flex Z-Dens 4" Wall Plate Termination (2ZDWPT46)

    Z-Flex Z-Dens 4" Wall Plate Termination (2ZDWPT46)

    Z-Flex Z-Dens 4" Wall Plate Termination (2ZDWPT46)

    Single Walled. For termination purposes Learn More

    Regular Price: $86.63

    Special Price: $69.31

    Details
  28. Z-Flex Z-Dens 4" x 72" Polypropylene Vent Pipe - Grey (2ZDP472)

    Z-Flex Z-Dens 4" x 72" Polypropylene Vent Pipe - Grey (2ZDP472)

    Z-Flex Z-Dens 4" x 72" Polypropylene Vent Pipe - Grey (2ZDP472)

    Single Walled. Can be cut to length Learn More

    Regular Price: $90.78

    Special Price: $72.62

    Details
  29. Z-Flex Z-Dens 4" Flexible Coupling (2ZDFC4)

    Z-Flex Z-Dens 4" Flexible Coupling (2ZDFC4)

    Z-Flex Z-Dens 4" Flexible Coupling (2ZDFC4)

    Single Walled. For connecting male ends Learn More

    Regular Price: $93.27

    Special Price: $74.61

    Details
  30. Z-Flex Z-Dens 4" Condensate Drain - White (2ZDCD4)

    Z-Flex Z-Dens 4" Condensate Drain - White (2ZDCD4)

    Z-Flex Z-Dens 4" Condensate Drain - White (2ZDCD4)

    Single Walled. Can be cut to length. For condensation collection prevention Learn More

    Regular Price: $106.88

    Special Price: $85.50

    Details
  31. Z-Flex Z-Dens 4" Flexible Installation Tool (2ZDFIT4)

    Z-Flex Z-Dens 4" Flexible Installation Tool (2ZDFIT4)

    Z-Flex Z-Dens 4" Flexible Installation Tool (2ZDFIT4)

    Single Walled. For vertical/horizontal installation Learn More

    Regular Price: $138.43

    Special Price: $110.73

    Details
  32. Z-Flex Z-Dens 4" Female to Flexible Rigid Adaptor (2ZDFFA4)

    Z-Flex Z-Dens 4" Female to Flexible Rigid Adaptor (2ZDFFA4)

    Z-Flex Z-Dens 4" Female to Flexible Rigid Adaptor (2ZDFFA4)

    Single Walled. For conversion purposes Learn More

    Regular Price: $143.65

    Special Price: $114.92

    Details
  33. Z-Flex Z-Dens 4" Collinear to Concentric Adaptor (2ZDACLC4446)

    Z-Flex Z-Dens 4" Collinear to Concentric Adaptor (2ZDACLC4446)

    Z-Flex Z-Dens 4" Collinear to Concentric Adaptor (2ZDACLC4446)

    Single Walled. Can be cut to length Learn More

    Regular Price: $155.22

    Special Price: $124.18

    Details
  34. Z-Flex Z-Dens 4" Concentric Termination Horizontal (2ZDCTH46)

    Z-Flex Z-Dens 4" Concentric Termination Horizontal (2ZDCTH46)

    Z-Flex Z-Dens 4" Concentric Termination Horizontal (2ZDCTH46)

    Single Walled. Terminates horizontal piping Learn More

    Regular Price: $204.27

    Special Price: $163.42

    Details
  35. Z-Flex Z-Dens 4" Flexible Base Kit (2ZDFBK4)

    Z-Flex Z-Dens 4" Flexible Base Kit (2ZDFBK4)

    Z-Flex Z-Dens 4" Flexible Base Kit (2ZDFBK4)

    Single Walled Learn More

    Regular Price: $238.73

    Special Price: $190.99

    Details
  36. Z-Flex Z-Dens 4" Low Profile Horizontal Kit - Stainless Steel (2ZDHKLP4)

    Z-Flex Z-Dens 4" Low Profile Horizontal Kit - Stainless Steel (2ZDHKLP4)

    Z-Flex Z-Dens 4" Low Profile Horizontal Kit - Stainless Steel (2ZDHKLP4)

    Single Walled. Low-profile alternative Learn More

    Regular Price: $241.03

    Special Price: $192.82

    Details
  37. Z-Flex Z-Dens 4" Concentric Termination Vertical (2ZDCTV46)

    Z-Flex Z-Dens 4" Concentric Termination Vertical (2ZDCTV46)

    Z-Flex Z-Dens 4" Concentric Termination Vertical (2ZDCTV46)

    Single Walled. Terminates vertical piping Learn More

    Regular Price: $307.60

    Special Price: $246.08

    Details
  38. Z-Flex Z-Dens 4" Flexible Kit Extension (2ZDFKX4)

    Z-Flex Z-Dens 4" Flexible Kit Extension (2ZDFKX4)

    Z-Flex Z-Dens 4" Flexible Kit Extension (2ZDFKX4)

    For lengthening purposes Learn More

    Regular Price: $345.62

    Special Price: $276.49

    Details
  39. Z-Flex Z-Dens 4" Flexible Liner Kit (2ZD2FLK4)

    Z-Flex Z-Dens 4" Flexible Liner Kit (2ZD2FLK4)

    Z-Flex Z-Dens 4" Flexible Liner Kit (2ZD2FLK4)

    Single Walled. Can be cut to length Learn More

    Regular Price: $388.13

    Special Price: $310.50

    Details
  40. Z-Flex Z-Dens 4" Concentric Horizontal Kit (2ZDHK4)

    Z-Flex Z-Dens 4" Concentric Horizontal Kit (2ZDHK4)

    Z-Flex Z-Dens 4" Concentric Horizontal Kit (2ZDHK4)

    Single Walled. For horizontal piping Learn More

    Regular Price: $392.44

    Special Price: $313.95

    Details
  41. Z-Flex Z-Dens 4" Concentric Vertical Kit (2ZDVK4)

    Z-Flex Z-Dens 4" Concentric Vertical Kit (2ZDVK4)

    Z-Flex Z-Dens 4" Concentric Vertical Kit (2ZDVK4)

    Single Walled. For vertical piping Learn More

    Regular Price: $500.04

    Special Price: $400.04

    Details
  42. Z-Flex Z-Dens 4" Flexible Liner (2ZDFL494)

    Z-Flex Z-Dens 4" Flexible Liner (2ZDFL494)

    Z-Flex Z-Dens 4" Flexible Liner (2ZDFL494)

    Single Walled. Can be cut to length Learn More

    Regular Price: $925.37

    Special Price: $740.30

    Details
  43. Z-Flex Z-Dens 4" x 25' Chimney Flexible Kit (2ZDFK425)

    Z-Flex Z-Dens 4" x 25' Chimney Flexible Kit (2ZDFK425)

    Z-Flex Z-Dens 4" x 25' Chimney Flexible Kit (2ZDFK425)

    For vertical installations Learn More

    Regular Price: $1,204.07

    Special Price: $963.26

    Details
  44. Z-Flex Z-Dens 4" x 35' Chimney Flexible Kit (2ZDFK435)

    Z-Flex Z-Dens 4" x 35' Chimney Flexible Kit (2ZDFK435)

    Z-Flex Z-Dens 4" x 35' Chimney Flexible Kit (2ZDFK435)

    For vertical installations Learn More

    Regular Price: $1,429.73

    Special Price: $1,143.78

    Details
  45. Z-Flex Z-Dens 4" Flexible Liner (2ZDFL824)

    Z-Flex Z-Dens 4" Flexible Liner (2ZDFL824)

    Z-Flex Z-Dens 4" Flexible Liner (2ZDFL824)

    Single Walled. Can be cut to length Learn More

    Regular Price: $1,850.74

    Special Price: $1,480.60

    Details

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