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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 6" x 6" x 4" Galvanized Y (2GAYXXX664)

    Z-Flex 6" x 6" x 4" Galvanized Y (2GAYXXX664)

    Z-Flex 6" x 6" x 4" Galvanized Y (2GAYXXX664)

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

    Regular Price: $100.84

    Special Price: $80.67

    Details
  2. Z-Flex Z-Vent 6" Tee Cap with Drain Stainless Steel Venting (2SVDTCD06)

    Z-Flex Z-Vent 6" Tee Cap with Drain (2SVDTCD06)

    Z-Flex Z-Vent 6" Tee Cap with Drain (2SVDTCD06)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $101.40

    Special Price: $81.12

    Details
  3. Z-Flex 5" Stainless Steel Rigid Stacking Tee w/ Cap (2ZRBTXX05)

    Z-Flex 5" Stainless Steel Rigid Stacking Tee w/ Cap (2ZRBTXX05)

    Z-Flex 5" Stainless Steel Rigid Stacking Tee w/ Cap (2ZRBTXX05)

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

    Regular Price: $101.49

    Special Price: $81.19

    Details
  4. Z-Flex Z-Dens 6" Adaptor - Z-Vent to 6" - Stainless Steel (2ZDZV8)

    Z-Flex Z-Dens 6" Adaptor - Z-Vent to 6" - Stainless Steel (2ZDZV8)

    Z-Flex Z-Dens 6" Adaptor - Z-Vent to 6" - Stainless Steel (2ZDZV8)

    Adaptor for CPVC/PVC Learn More

    Regular Price: $101.69

    Special Price: $81.35

    Details
  5. Z-Flex Z-Dens 6" Adaptor - Laars MagnaTherm MGTH/V 1600 to 6" - Stainless Steel (2ZDLAMT08)

    Z-Flex Z-Dens 6" Adaptor - Laars MagnaTherm MGTH/V 1600 to 6" - Stainless Steel (2ZDLAMT08)

    Z-Flex Z-Dens 6" Adaptor - Laars MagnaTherm MGTH/V 1600 to 6" - Stainless Steel (2ZDLAMT08)

    Adaptor for Laars MagnaTherm Learn More

    Regular Price: $101.69

    Special Price: $81.35

    Details
  6. Z-Flex Z-Dens 3"/5" Concentric Test Port - White (2ZDCTP35)

    Z-Flex Z-Dens 3"/5" Concentric Test Port - White (2ZDCTP35)

    Z-Flex Z-Dens 3"/5" Concentric Test Port - White (2ZDCTP35)

    Concentric. For gas analysis. Learn More

    Regular Price: $102.29

    Special Price: $81.83

    Details
  7. Z-Flex Z-Dens 4"/6" Concentric Test Port - White (2ZDCTP46)

    Z-Flex Z-Dens 4"/6" Concentric Test Port - White (2ZDCTP46)

    Z-Flex Z-Dens 4"/6" Concentric Test Port - White (2ZDCTP46)

    Concentric. For gas analysis. Learn More

    Regular Price: $102.29

    Special Price: $81.83

    Details
  8. Z-Flex Z-Vent 3" Firestop Spacer Stainless Steel Venting (2SVDFS03)

    Z-Flex Z-Vent 3" Firestop Spacer (2SVDFS03)

    Z-Flex Z-Vent 3" Firestop Spacer (2SVDFS03)

    Double Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $102.96

    Special Price: $82.37

    Details
  9. Z-Flex Z-Vent 7" Termination Coupling Stainless Steel Venting (2SVSTPX07)

    Z-Flex Z-Vent 7" Termination Coupling (2SVSTPX07)

    Z-Flex Z-Vent 7" Termination Coupling (2SVSTPX07)

    Single Wall Stainless Steel, Category III Venting Learn More

    Regular Price: $103.05

    Special Price: $82.44

    Details
  10. Z-Flex 4" x 25' Length of 1-Ply Aluminum Duct (1TLXXXX0425)

    Z-Flex 4" x 25' Length of 1-Ply Aluminum Duct (1TLXXXX0425)

    Z-Flex 4" x 25' Length of 1-Ply Aluminum Duct (1TLXXXX0425)

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

    Regular Price: $103.37

    Special Price: $82.70

    Details

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