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

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26 Item(s)

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  1. Z-Flex 4" DV Co-Linear 4/3 Decorative Kit (2DVI435D)

    Z-Flex 4" DV Co-Linear 4/3 Decorative Kit (2DVI435D)

    Z-Flex 4" DV Co-Linear 4/3 Decorative Kit (2DVI435D)

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

    Regular Price: $743.82

    Special Price: $595.06

    Details
  2. Z-Flex 4" DV Co-Linear 4/3 Extreme Weather Kit (2DVI435X)

    Z-Flex 4" DV Co-Linear 4/3 Extreme Weather Kit (2DVI435X)

    Z-Flex 4" DV Co-Linear 4/3 Extreme Weather Kit (2DVI435X)

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

    Regular Price: $634.13

    Special Price: $507.31

    Details
  3. Z-Flex 5" x 5" x 4" Universal B-Vent Y (2IVTYUC04)

    Z-Flex 5" x 5" x 4" Universal B-Vent Y (2IVTYUC04)

    Z-Flex 5" x 5" x 4" Universal B-Vent Y (2IVTYUC04)

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

    Regular Price: $170.46

    Special Price: $136.38

    Details
  4. Z-Flex 4" Lock'N Go Tee (2ZFTCB04)

    Z-Flex 4" Lock'N Go Tee (2ZFTCB04)

    Z-Flex 4" Lock'N Go Tee (2ZFTCB04)

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

    Regular Price: $106.50

    Special Price: $85.20

    Details
  5. Z-Flex 4" Z-Lok Tee (2ZFTJ04)

    Z-Flex 4" Z-Lok Tee (2ZFTJ04)

    Z-Flex 4" Z-Lok Tee (2ZFTJ04)

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

    Regular Price: $106.50

    Special Price: $85.20

    Details
  6. Z-Flex 4" Z-Max Cap (2ZMRCS04)

    Z-Flex 4" Z-Max Cap (2ZMRCS04)

    Z-Flex 4" Stainless Steel Z-Max Cap (2ZMRCS04)

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

    Regular Price: $100.65

    Special Price: $80.51

    Details
  7. Z-Flex 4" Stainless Steel Deluxe Rain Cap (2RNCAPS04)

    Z-Flex 4" Stainless Steel Deluxe Rain Cap (2RNCAPS04)

    Z-Flex 4" Stainless Steel Deluxe Rain Cap (2RNCAPS04)

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

    Regular Price: $95.63

    Special Price: $76.51

    Details
  8. Z-Flex 4" Stainless Steel Rigid Stacking Tee w/ Cap (2ZRBTXX04)

    Z-Flex 4" Stainless Steel Rigid Stacking Tee w/ Cap (2ZRBTXX04)

    Z-Flex 4" Stainless Steel Rigid Stacking Tee w/ Cap (2ZRBTXX04)

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

    Regular Price: $93.15

    Special Price: $74.52

    Details
  9. Z-Flex 4" x 4" x 3" Galvanized Y (2GAYXXX443)

    Z-Flex 4" x 4" x 3" Galvanized Y (2GAYXXX443)

    Z-Flex 4" x 4" x 3" Galvanized Y (2GAYXXX443)

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

    Regular Price: $78.45

    Special Price: $62.77

    Details
  10. Z-Flex 4" Z-Max Flashing (2AFCS04)

    Z-Flex 4" Z-Max Flashing (2AFCS04)

    Z-Flex 4" Stainless Steel Z-Max Flashing (2AFCS04)

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

    Regular Price: $77.02

    Special Price: $61.62

    Details
  11. Z-Flex 4" Stainless Steel Chimney Flashing (2ZSCSXX04)

    Z-Flex 4" Stainless Steel Chimney Flashing (2ZSCSXX04)

    Z-Flex 4" Stainless Steel Chimney Flashing (2ZSCSXX04)

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

    Regular Price: $77.02

    Special Price: $61.62

    Details
  12. Z-Flex 4" Double Wall Oil Vent Appliance Connector (2OVIACX04)

    Z-Flex 4" Double Wall Oil Vent Appliance Connector (2OVIACX04)

    Z-Flex 4" Double Wall Oil Vent Appliance Connector (2OVIACX04)

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

    Regular Price: $67.88

    Special Price: $54.31

    Details
  13. Z-Flex 4" Single Wall Oil Vent Universal Connector (2OVSWUC04)

    Z-Flex 4" Single Wall Oil Vent Universal Connector (2OVSWUC04)

    Z-Flex 4" Single Wall Oil Vent Universal Connector (2OVSWUC04)

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

    Regular Price: $67.88

    Special Price: $54.31

    Details
  14. Z-Flex 4" Double Wall Oil Vent Universal Connector (2OVIUCX04)

    Z-Flex 4" Double Wall Oil Vent Universal Connector (2OVIUCX04)

    Z-Flex 4" Double Wall Oil Vent Universal Connector (2OVIUCX04)

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

    Regular Price: $67.88

    Special Price: $54.31

    Details
  15. Z-Flex 4" Single Wall Oil Vent Appliance Connector (2OVSWAC04)

    Z-Flex 4" Single Wall Oil Vent Appliance Connector (2OVSWAC04)

    Z-Flex 4" Single Wall Oil Vent Appliance Connector (2OVSWAC04)

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

    Regular Price: $67.88

    Special Price: $54.31

    Details
  16. Z-Flex 5" to 4" Stainless Steel Reducer (2RD5R4X)

    Z-Flex 5" to 4" Stainless Steel Reducer (2RD5R4X)

    Z-Flex 5" to 4" Stainless Steel Reducer (2IN3I4X)

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

    Regular Price: $62.80

    Special Price: $50.24

    Details
  17. Z-Flex 4" to 5" Stainless Steel Increaser (2IN4I5X)

    Z-Flex 4" to 5" Stainless Steel Increaser (2IN4I5X)

    Z-Flex 4" to 5" Stainless Steel Increaser (2IN4I5X)

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

    Regular Price: $62.80

    Special Price: $50.24

    Details
  18. Z-Flex 4" B-Vent Connector (2CNNBFC04)

    Z-Flex 4" B-Vent Connector (2CNNBFC04)

    Z-Flex 4" B-Vent Connector (2CNNBFC04)

    Type B Gas Vent to Z-Flex Chimney Lining Connector For Use with Category I Natural-Draft Gas-Fired Heating Equipment and Gas Fireplaces Learn More

    Regular Price: $59.71

    Special Price: $47.77

    Details
  19. Z-Flex 4" Stainless Steel Drip-less Connector (2CNNTRC04)

    Z-Flex 4" Stainless Steel Drip-less Connector (2CNNTRC04)

    Z-Flex 4" Stainless Steel Drip-less Connector (2CNNTRC04)

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

    Regular Price: $56.12

    Special Price: $44.90

    Details
  20. Z-Flex 4" Fresh Air Hood (2FAIGAL04)

    Z-Flex 4" Fresh Air Hood (2FAIGAL04)

    Z-Flex 4" Fresh Air Hood (2FAIGAL04)

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

    Regular Price: $46.35

    Special Price: $37.08

    Details
  21. Z-Flex 4" Insul-Vent Universal Connector (2IVUCXX04)

    Z-Flex 4" Insul-Vent Universal Connector (2IVUCXX04)

    Z-Flex 4" Insul-Vent Universal Connector (2IVUCXX04)

    Insul-Vent to Type B, Single-Vent, and Z-Flex Connector For Use with Category I Natural-Draft Gas-Fired Heating Equipment and Gas Fireplaces Learn More

    Regular Price: $43.60

    Special Price: $34.88

    Details
  22. Z-Flex 3" to 4" Insul-Vent Increaser (2ZIC314)

    Z-Flex 3" to 4" Insul-Vent Increaser (2ZIC314)

    Z-Flex 3" to 4" Insul-Vent Increaser (2ZIC314)

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

    Regular Price: $42.37

    Special Price: $33.90

    Details
  23. Z-Flex 4" Insul-Vent Appliance Connector (2ZICPRP04)

    Z-Flex 4" Insul-Vent Appliance Connector (2ZICPRP04)

    Z-Flex 4" Insul-Vent Appliance Connector (2ZICPRP04)

    Insul-Vent to Appliance Collar Connector For Use with Category I Natural-Draft Gas-Fired Heating Equipment and Gas Fireplaces Learn More

    Regular Price: $42.37

    Special Price: $33.90

    Details
  24. Z-Flex 4" Single Wall Flexible Vent Universal Connector (2SVUCXX04)

    Z-Flex 4" Single Wall Flexible Vent Universal Connector (2SVUCXX04)

    Z-Flex 4" Single Wall Flexible Vent Universal Connector (2SVUCXX04)

    Single-Vent to Single-Wall Connector For Use with Category I Natural-Draft Gas-Fired Heating Equipment and Gas Fireplaces Learn More

    Regular Price: $41.65

    Special Price: $33.33

    Details
  25. Z-Flex 4" Single Wall Flexible Vent Appliance Connector (2ZSCPRP04)

    Z-Flex 4" Single Wall Flexible Vent Appliance Connector (2ZSCPRP04)

    Z-Flex 4" Single Wall Flexible Vent Appliance Connector (2ZSCPRP04)

    Single-Vent to Appliance Collar Connector For Use with Category I Natural-Draft Gas-Fired Heating Equipment and Gas Fireplaces Learn More

    Regular Price: $41.65

    Special Price: $33.33

    Details
  26. Z-Flex 4" Aluminum Chimney Liner Connector (2CNNTRG04)

    Z-Flex 4" Aluminum Chimney Liner Connector (2CNNTRG04)

    Z-Flex 4" Aluminum Liner Connector (2CNNTRG04)

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

    Regular Price: $34.43

    Special Price: $27.54

    Details

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  1. Z-Flex Chimney Liner (26)
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