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Z-Flex Z Vent 3" Venting Pipe & Accessories
3" Stainless Steel CAT III Quick-Seal and Flexible Venting Parts for the Bosch 2400ES and 2700ES


Z-Flex Z Vent straight vent pipe available in 5 different lenghts, elbows, rain caps and more
Zvent ZFlex Cat III Venting


Z-Flex Z-Vent 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 Vent is the perfect Venting choice for the Bosch 2700ES, Bosch AquaStar 2400ES and other Gas Tankless Water Heaters that require 3" CAT III Stainless Steel Venting. Zvent has wall thimbles, vent terminators, straight vent lengths, elbows and more. We also have accessories such as drain tube kits and sealant. Will work for any other Category II, III and IV gas heating appliance too!
ZFlex ZVent Stainless Steel Venting Features:
  • Gasketed Connections: no sealant required
  • Highest Pressure Rating in the Industry: more than 3 times the standard
  • Fusion Welded Pipe Seams: provides an air-tight seam, smooth finish, better fit
  • 1 Inch Clearance to Combustibles: can be installed with minimum clearance
    (subject to manufacturer suggestion)
  • The only metallic special gas vent pipe that can be cut to length on site
  • 15 year limited warranty


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Click here for pricing and sizing on 3 Inch Z-Flex Vent Parts

Z Flex Z Vent PDF Documents


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Solar Heating - Solar Pumps, Solar Controls and more! Solar Panels for use on domestic hot water or pex radiant heating systems. Gas Tankless Water Heaters! Bosch Instant Hot Water Heater for single and multi use. Takagi Water Heaters! PEX Tubing - PEX Radiant Heat! PEX Underfloor heating. Efficient and Warm. PEX tube in 3/8 to 1 inch sizes. Tamarack Whole House Fans, Attic Fans, Solar Attic Fan, Bath Fans, HEPA Filters, Fantech Energy Recovery Ventilators Hydronic Radiators. Myson Radiators, Myson Fan Convectors, Myson Toe Kick Heaters. Housepex and Houseneeds Classic Radiators. Hydronic Heating - Pumps, Controls, Valves and more. Taco Pumps, Taco Zone Valves, Honeywell Controls, Watts, Azel, Taco Mixing Valves, Cash Acme, Caleffi and more. Fantech Bath Fans, Fantech Kitchen Fans, Fantech HEPA Filters, Fantech Air to Air Handlers!
Solar Heating Gas Tankless Water Heaters
Eletrci Water Heaters
Radiant PEX Tubing Whole House Fans Hydronic Radiators Heating Supplies Bath and Kitchen Fans

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