Useful in colder climates for preventing freezing air from flowing back into the heat exchanger and freezing it
Also, use this part to drain condensate from high-heat appliances, especially "non-condensing" tankless water heaters. Condensate drain tube is sold separately here.
• 3", 4" or 5" diameter sizes available
• Overall length, 10.75"
• Can be installed either vertically or horizontally.
• 3/8" condensation drain
• Vent material: AL29-4C stainless steel
• Certification: Tested to meet or exceed Underwriters Laboratories (UL) spec UL1738 and ULS636
• Approval: Cat II, III, IV venting
• Limited Lifetime Warranty
Compatibility and cross reference:
The 4" diameter version of this item is compatible with the following tankless water heaters, as shown in their manual:
American Water Heaters GT-510-P/N Indoor Liquid Propane/Natural Gas
American Water Heaters GT-310-P/N Indoor Liquid Propane/Natural Gas
American Water Heaters GT110-P/N Indoor Liquid Propane/Natural Gas
A. O. Smith ATI-510-N/P Indoor Propane/Natural Gas
A. O. Smith ATI-310-N/P Indoor Propane/Natural Gas
A. O. Smith ATI-110-N/P Indoor Propane/Natural Gas
GSW GSWT-110/310
GSW GSWT-520/540
Marey 5L
Marey 10L
Reliance Water Heaters TS-510-GI
Reliance Water Heaters TS-310-GI
Reliance Water Heaters TS-110-GI
State Industries 510 Series
State Industries 310 Series
State Industries 110 Series
Takagi T-T-KJr2 Indoor/Outdoor Propane/NG
Takagi T-K4 Indoor/Outdoor Propane/NG
plus: flue outlets of some models of Bosch, Laars, Modine, Nortec, Paloma, Reznor, and Rheem
Equivalent to Takagi item number 9007996005
Downloads
Z-Vent SVE Series IV Installation and Maintenance Instructions, 3" to 24", Single & Double Wall
Z-Vent Dimensional Specifications
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Drain damage due to condensate from a tankless water heater. Even if the drain is plastic and is impervious, local building code may require use of a neutralizer.
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