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Simple, straightforward and low shipping rates for these Takagi venting products.


Stainless Steel Vent For Tankless Water Heaters

Nova Vent is designed for use with Takagi tankless water heaters
and Bosch tankless water heaters


In search of a solution for your stainless steel venting needs? PlumbingSupply.com® is pleased to offer this premium line of Category III venting components: with quick "Snap-Lock" connections, high quality stainless steel, and included heat-resistant rubber gaskets, these gas exhaust pipe components are a key element of a complete water heater venting installation.


We offer a variety Takagi tankless water heaters AT GREAT PRICES!
to Takagi TKJr2-IN - to Takagi TKJr2-OS - to Takagi Mobius T-M32 - to Takagi T-K4-IN - to Takagi T-K4-OS - to Takagi T-D2-IN - to Takagi T-D2-OS



Main Features of Nova Vent Products:
  • High quality, Category III stainless steel exhaust piping
  • Versatility - vertical and horizontal terminations
  • All Nova Vent products are UL Listed
  • All connections have heat resistant rubber gaskets

click below to go directly to any gas vent component

Straight Vent
straight vent
Adjustable Vent
adjustable vent
Elbows
elbows
Female Adapter
female adapter
Horizontal Drain Tee
horizontal drain tee
Vertical Drain Tee
vertical drain tee



Wall Vent Terminators
wall vent terminator
Roof Flashings
roof flashing
Support Strap
support strap
Rain Cap
rain cap
Storm Collar
storm collar
Vertical Firestop
fire stop


Nova venting products are single wall and require 6" clearance from combustible material. Catergory III piping systems operate with positive vent pressure and are sealed by the high temperature seals and locking devices built into the Category III approved vent pipe. Category III piping systems cannot be joined with Category I gravity vented piping systems.



Straight Vent Pipe - 4" Diameter

Straight vent pipe
Nova Vent 4" straight pipe components range in length from 6 inches to 48 inches, and are compatible with both horizontal and vertical termination installations, providing the perfect solution for both long and short runs of piping.

Part Number Description Length Price & Quantity
9007987005 Straight Vent Pipe 6" $18.87
9007986005 Straight Vent Pipe 12" $23.69
9007984005 Straight Vent Pipe 24" $35.17
9007983005 Straight Vent Pipe 36" $46.79
9007982005 Straight Vent Pipe 48" $66.20

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Adjustable Vent Pipe - 4" Diameter

Takagi adjustable vent pipe
Adjustable piping components are ideal for when you need that pipe to be just a little bit longer. With its gasketed telescoping section, this component allows you to add additional inches without additional fittings.

Part Number Description Length Price & Quantity
9007985005 Adjustable Vent Pipe 7" - 9.9" $34.06

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Elbows - 4" Diameter

Takagi 90 degree elbow
Used to change the direction of a venting system, vent elbows are available in both 90 degree and 45 degree configurations to accommodate nearly every venting need.

Part Number Description Price & Quantity
9007981005 45 Degree Elbow $33.21
9007980005 90 Degree Elbow $39.02

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Backflow Preventer & Female-Female Adapter

Takagi female-female adapter

This adapter allows you to firmly connect two male component ends while also providing backflow protection.


Part Number Description Price & Quantity
9007976005 Backflow Preventer & Female-Female Adapter $39.59

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Female-Female Adapter

Takagi female-female adapter

Most often used at the beginning or end of the venting system, this adapter allows you to firmly connect two male component ends.


Part Number Description Price & Quantity
9007979005 Female-Female Adapter $27.79

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Horizontal Drain Tee

Takagi horizontal drain tee
Horizontal drain tees are installed in a horizontal run to allow any condensate to drain away from the heater, helping to prevent corrosion and keep your tankless water heater healthy.

Part Number Description Price & Quantity
9007994005 Horizontal Drain Tee $28.20

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Vertical Drain Tee

Takagi vertical drain tee
Install a vertical drain tee to prevent moisture and condensate from entering the water heater. Click here for an example of a vertical drain tee in use!

Part Number Description Price & Quantity
9007993005 Vertical Drain Tee $34.87

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Wall Vent Terminator with Hood

wall vent terminator with hood

Also used for terminating a venting system through a side wall, a wall vent terminator with the addition of a hood provides more protection from severe weather conditions.


Part Number Description Price & Quantity
9008005005 Termination Hood with Thimble for 5" - 10" wall thickness $114.89
9008004005 Termination Hood with Thimble for 4" - 7" wall thickness $109.95
9007999005 Vent Termination Horizontal Hood/Louver $74.04

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Angled Roof Flashing

angled roof flashing

This 30° angled roof flashing provides water tight roof venting for angled surfaces, such as a pitched roof. For roof pitches between 3/12 and 7/12.


Part Number Description Price & Quantity
9007991005 Angled Roof Flashing $45.75

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Flat Roof Flashing

flat roof flashing
Flat roof flashings provide a water tight, protective joint for venting through a flat surface. For roof pitches between 0/12 and 2/12.

Part Number Description Price & Quantity
9007992005 Flat Roof Flashing $116.72

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Venting Support Clamp

support clamp

Support clamps are used for supporting the vent pipe. They can also help provide proper spacing to keep pipes from coming in contact with walls or other materials as required by code.


Part Number Description Price & Quantity
9007747005 (formerly #TK-KPCP4) Support Clamp $9.77

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Venting Support Strap

support strap

Support straps are also used to provide structural support and proper spacing for your venting installation. These are especially useful for horizontal runs of a venting system.


Part Number Description Price & Quantity
9007989005
(formerly TK-KPSS44)
Support Strap (4-inch) $8.50
TK-KPSS84 Support Strap (8-inch) $6.96
TK-KPSS124 Support Strap (12-inch) $9.96
* click part number for dimensions

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Rain Cap

Example of the Nova vent style rain cap
A rain cap allows the system to vent through the roof and helps keep out rain, as well as birds and other foreign objects.

Part Number Description Price & Quantity
9008145005 Extreme Weather Rain Cap $105.29

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Storm Collar

The storm collar is designed to attach directly onto a vent pipe and helps prevent rain from entering through the roof flashing.

Part Number Description Price & Quantity
9007990005 Storm Collar $21.39

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Vertical Firestop

Photo of a vertical firestop venting component

Vertical firestops are installed whenever a vent passes through a combustible floor or ceiling.


Part Number Description Price & Quantity
9007988005 Vertical Firestop $62.26

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Pipe Cover

pipe cover

This pipe cover can be attached directly to the bottom side of the Takagi tankless water heaters to provide a cover for the pipe connections, providing protection with style.


Part Number Description Price & Quantity
TK-PC01 Pipe Cover for use with the T-K3, T-K3-SP, T-K3-OS, T-K3-Pro $67.62

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to Takagi accessories

to Bosch tankless water heaters and accessories

Nova venting components can be assembled to meet your specific installation, but for a general idea, please click on the images below for sample installation diagrams.

Sample Rooftop Installation Diagram
example of a rooftop installation
click to enlarge
Sample Sidewall Installation Diagram
Example of a side wall installation
click to enlarge

View our Takagi tankless water heater index page

View our Bosch tankless water heater page

Nova venting products are single wall and require 6" clearance from combustible material. Catergory III piping systems operate with positive vent pressure and are sealed by the high temperature seals and locking devices built into the Category III approved vent pipe. Category III piping systems cannot be joined with Category I gravity vented piping systems.

Related Items & Accessories:
Gas Meters

Ariston mini tank water heaters

drywall access door

Scale Inhibitor Water Filter

Gas Pressure Regulator

Stainless Steel Sand Separator systems


Frequently Asked Questions

Q. "I live in a very cold area and sometimes it freezes. Would I need a backflow preventer?"
A. Yes. A backflow preventer is essential in installations where chilled air could cause the heater to freeze, including indoor installations. And, as always, confirm with a trusted local professional that you have checked for all possible ways to keep your tankless heater from freezing.

Q. "Why do I need a vertical firestop?"
A. A vertical firestop needs to be installed whenever a vent passes through a combustible floor or ceiling to prevent the vent from becoming a way for fire to spread. As always please confirm your local code requirements with the proper authorities.

Q. "I'm replacing some sections of older vent pipe. Can I just add this onto my existing venting material?"
A. While some venting systems may work with together, it is not recommended to mix and match. Also, if you find you need to replace one section, other sections may need to be replaced soon as well.

Q. "Will Nova venting products work with other brands of water heaters?"
A. Nova's line of gas venting products are designed to work with many brand tankless water heaters that require Catagory III vent piping.

Q. "Will this 4-inch diameter vent pipe work on all sizes and models of Takagi tankless water heaters, regardless of BTU and so on?"
A. Except where noted as designed for a specific unit, these 4-inch diameter gas venting components will work with all sizes and models of Takagi heaters, though which components are appropriate will vary depending on the installation. Please consult with a licensed installer and your local code enforcement agency when installing and venting tankless water heaters.

Q. "Can I use PVC to vent tankless water heaters?"
A. No. The temperature of the exhaust is too high to safely use PVC as venting material. We never recommend PVC as venting even where the ideal exhaust temperatures would technically allow it due to a much higher incident of dangerous issues associated with PVC venting on poorly-maintained gas tankless water heaters.



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