Skip to accessibility statement
Free shipping on orders over $99
●
Your Zip:
43230
ORDER STATUS
Your Zip:
43230
HELP
MENU
CONTACT & SUPPORT
Live Chat: Online Now
SIGN IN
0
CART
×
SIGN IN
Shop by Category
Plumbing
Heating
HVAC
Electrical
PEX
Fittings
Valves
Tools
Resources
Our Team
Account
Order History
Returns
Customer Support
Give Us Feedback
Tools
Reorder
Quick Order
Saved Carts
Lists
Resources
PEX Plumbing
PEX Tools
Radiant Heat
Boiler Room
Plumbing Supplies
Air Conditioning
Video Library
Project Calculators
Find Parts For Your Unit
Filter menu expanded
Filters
Hide Filters
405 items
Reset
SORT
Top Sellers
Default
Price ▲
Price ▼
Product Availability
–
Show In Stock Only</strong> Filter (212)
Show
In Stock Only
(212)
Brand
–
AO Smith Filter (36)
AO Smith (36)
Bosch Filter (37)
Bosch (37)
DiversiTech Filter (13)
DiversiTech (13)
DuraVent Filter (1)
DuraVent (1)
Eccotemp Filter (3)
Eccotemp (3)
IPEX Filter (12)
IPEX (12)
Kozy Kollar Filter (4)
Kozy Kollar (4)
Noritz Filter (128)
Noritz (128)
Oatey Filter (45)
Oatey (45)
Pasco Filter (3)
Pasco (3)
See More
Vent Type
–
Concentric Filter (82)
Concentric (82)
Condensing Filter (38)
Condensing (38)
Double Wall Filter (16)
Double Wall (16)
Non-Condensing Filter (35)
Non-Condensing (35)
PVC Filter (2)
PVC (2)
Single Wall Filter (92)
Single Wall (92)
Vent Kit Filter (1)
Vent Kit (1)
Product Type
–
Adapter Filter (21)
Adapter (21)
Adjustable Pipe Filter (11)
Adjustable Pipe (11)
Backflow Preventer Filter (2)
Backflow Preventer (2)
Birdscreen Filter (4)
Birdscreen (4)
Bracket Filter (5)
Bracket (5)
Bug Guard Filter (2)
Bug Guard (2)
Concentric Kit Filter (4)
Concentric Kit (4)
Condensation Drain Filter (5)
Condensation Drain (5)
Conversion Kit Filter (6)
Conversion Kit (6)
Cosmetic Ring Filter (4)
Cosmetic Ring (4)
See More
Price Range
–
$1 to $5 Filter (15)
$1 to $5 (15)
$5 to $10 Filter (28)
$5 to $10 (28)
$10 to $15 Filter (23)
$10 to $15 (23)
$15 to $20 Filter (13)
$15 to $20 (13)
$20 to $25 Filter (13)
$20 to $25 (13)
$25 to $30 Filter (9)
$25 to $30 (9)
$30 to $35 Filter (21)
$30 to $35 (21)
$35 to $40 Filter (6)
$35 to $40 (6)
$40 to $45 Filter (19)
$40 to $45 (19)
$45 to $50 Filter (12)
$45 to $50 (12)
See More
Home
Plumbing Supplies
Water Heaters
Tankless Heater Venting
Tankless Heater Venting
Need a little help?
View our Resources
405 items
FILTER
Grid
List
Sort: Top Sellers
229230NPP Compare Checkbox
Compare
2"/4" Condensing 90° Elbow
SKU:
229230NPP
Rinnai
SKU:
229230NPP
Brand:
Rinnai
–
+
$30.77
each
ADD TO CART
Add to List
In Stock
Get 2 by
Tomorrow, Jun 5
Total Available: 8
In Stock
Get 2 by
Tomorrow, Jun 5
Total Available: 8
Add to List
5-11853 Compare Checkbox
Compare
2" Galvanized No-Caulk Roof Flashing
SKU:
5-11853
DiversiTech
SKU:
5-11853
Brand:
DiversiTech
–
+
$10.80
each
ADD TO CART
Add to List
In Stock
Get 1 by
Tue, Jun 9
Total Available: 13
In Stock
Get 1 by
Tue, Jun 9
Total Available: 13
Add to List
308F-9077X01 Compare Checkbox
Compare
Spacer Bracket
SKU:
308F-9077X01
Rinnai
SKU:
308F-9077X01
Brand:
Rinnai
–
+
$4.15
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Jul 3 - Mon, Aug 3
Backorder
Get it by
Fri, Jul 3 - Mon, Aug 3
Add to List
2SVSADJSF03 Compare Checkbox
Compare
3" Z-VENT Adjustable Roof Flashing (7/12 - 12/12 Pitch)
SKU:
2SVSADJSF03
Z-FLEX
SKU:
2SVSADJSF03
Brand:
Z-FLEX
–
+
$59.12
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Jul 3 - Mon, Aug 3
Backorder
Get it by
Fri, Jul 3 - Mon, Aug 3
Add to List
CVP-36STR Compare Checkbox
Compare
Concentric 36" Straight Vent Pipe
SKU:
CVP-36STR
Noritz
SKU:
CVP-36STR
Brand:
Noritz
–
+
$77.26
each
ADD TO CART
Add to List
In Stock
Get 3 by
Wed, Jun 10
In Stock
Get 3 by
Wed, Jun 10
Add to List
100112405 Compare Checkbox
Compare
4" Adjustable Vent Pipe (Adjusts from 7.0" - 9.9")
SKU:
100112405
AO Smith
SKU:
100112405
Brand:
AO Smith
–
+
$59.07
each
ADD TO CART
Add to List
In Stock
Get 5 by
Tomorrow, Jun 5
Total Available: 13
In Stock
Get 5 by
Tomorrow, Jun 5
Total Available: 13
Add to List
11888-OATEY Compare Checkbox
Compare
2" No-Caulk Roof Flashings, Pack of 12 (Thermoplastic)
SKU:
11888-OATEY
Oatey
SKU:
11888-OATEY
Brand:
Oatey
–
+
$104.94
each
ADD TO CART
Add to List
In Stock
Get 5 by
Tomorrow, Jun 5
In Stock
Get 5 by
Tomorrow, Jun 5
Add to List
397986 Compare Checkbox
Compare
4" PVC FGV Low Profile Termination Kit, UL 1738
SKU:
397986
IPEX
SKU:
397986
Brand:
IPEX
–
+
$102.06
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Jul 3 - Mon, Aug 3
Backorder
Get it by
Fri, Jul 3 - Mon, Aug 3
Add to List
V4HVK Compare Checkbox
Compare
4" Horizontal Single Wall Stainless Steel Z-Vent Water Heater Vent Kit
SKU:
V4HVK
Eccotemp
SKU:
V4HVK
Brand:
Eccotemp
(1)
–
+
$309.00
each
ADD TO CART
Add to List
Out of Stock
Get it by
Fri, Jun 19 - Fri, Jun 26
Out of Stock
Get it by
Fri, Jun 19 - Fri, Jun 26
Add to List
VP4-12STRAIGHT Compare Checkbox
Compare
12" Straight Vent Pipe
SKU:
VP4-12STRAIGHT
Noritz
SKU:
VP4-12STRAIGHT
Brand:
Noritz
–
+
$29.14
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Jul 3 - Mon, Aug 3
Backorder
Get it by
Fri, Jul 3 - Mon, Aug 3
Add to List
50171954 Compare Checkbox
Compare
Tile/Shingle Roof Flashing (8/12 to 16/12 Pitch)
SKU:
50171954
Rinnai
SKU:
50171954
Brand:
Rinnai
–
+
$77.96
each
ADD TO CART
Add to List
In Stock
Get 1 by
Mon, Jun 8
Total Available: 12
In Stock
Get 1 by
Mon, Jun 8
Total Available: 12
Add to List
RGB-20-U Compare Checkbox
Compare
Universal Recess Box for R63LSe and Value Series
SKU:
RGB-20-U
Rinnai
SKU:
RGB-20-U
Brand:
Rinnai
–
+
$265.62
each
ADD TO CART
Add to List
In Stock
Get 9 by
Mon, Jun 8
Total Available: 17
In Stock
Get 9 by
Mon, Jun 8
Total Available: 17
Add to List
VP4-24STRAIGHT Compare Checkbox
Compare
24" Straight Vent Pipe
SKU:
VP4-24STRAIGHT
Noritz
SKU:
VP4-24STRAIGHT
Brand:
Noritz
–
+
$52.70
each
ADD TO CART
Add to List
In Stock
Get 3 by
Tomorrow, Jun 5
Total Available: 5
In Stock
Get 3 by
Tomorrow, Jun 5
Total Available: 5
Add to List
397191 Compare Checkbox
Compare
2" Concentric Vent Termination Roof Flashing - Stretch Fit
SKU:
397191
IPEX
SKU:
397191
Brand:
IPEX
–
+
$17.71
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Jul 3 - Mon, Aug 3
Backorder
Get it by
Fri, Jul 3 - Mon, Aug 3
Add to List
2SVAM4 Compare Checkbox
Compare
4" Z-Flex Vent Adapters (Pack of 6)
SKU:
2SVAM4
Z-FLEX
SKU:
2SVAM4
Brand:
Z-FLEX
–
+
$375.78
each
ADD TO CART
Add to List
In Stock
Get 1 by
Tomorrow, Jun 5
Total Available: 7
In Stock
Get 1 by
Tomorrow, Jun 5
Total Available: 7
Add to List
VT4-SL Compare Checkbox
Compare
Horizontal Vent Termination with Louvre
SKU:
VT4-SL
Noritz
SKU:
VT4-SL
Brand:
Noritz
–
+
$146.77
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Jul 3 - Mon, Aug 3
Backorder
Get it by
Fri, Jul 3 - Mon, Aug 3
Add to List
2SVSRTX12 Compare Checkbox
Compare
12" Z-Vent Commercial Wall Termination Box
SKU:
2SVSRTX12
Z-FLEX
SKU:
2SVSRTX12
Brand:
Z-FLEX
–
+
$238.24
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Jul 3 - Mon, Aug 3
Backorder
Get it by
Fri, Jul 3 - Mon, Aug 3
Add to List
710202NPP Compare Checkbox
Compare
2/4 Condensing 90-Degree Diverter Nose
SKU:
710202NPP
Rinnai
SKU:
710202NPP
Brand:
Rinnai
–
+
$22.48
each
ADD TO CART
Add to List
In Stock
Get 3 by
Mon, Jun 8
Total Available: 4
In Stock
Get 3 by
Mon, Jun 8
Total Available: 4
Add to List
100112411 Compare Checkbox
Compare
4" Angled Roof Flashing
SKU:
100112411
AO Smith
SKU:
100112411
Brand:
AO Smith
–
+
$65.80
each
ADD TO CART
Add to List
In Stock
Get 3 by
Tomorrow, Jun 5
Total Available: 9
In Stock
Get 3 by
Tomorrow, Jun 5
Total Available: 9
Add to List
8330-PASCO Compare Checkbox
Compare
250 ft. Bare Copper Grounding Coil Wire (6 Gauge)
SKU:
8330-PASCO
Pasco
SKU:
8330-PASCO
Brand:
Pasco
–
+
$520.42
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Jul 3 - Mon, Aug 3
Backorder
Get it by
Fri, Jul 3 - Mon, Aug 3
Add to List
100112425 Compare Checkbox
Compare
4" Termination Hood w/ Thimble (5.0" - 10.0" Wall Thickness)
SKU:
100112425
AO Smith
SKU:
100112425
Brand:
AO Smith
–
+
$198.22
each
ADD TO CART
Add to List
In Stock
Get 2 by
Tomorrow, Jun 5
Total Available: 6
In Stock
Get 2 by
Tomorrow, Jun 5
Total Available: 6
Add to List
11889 Compare Checkbox
Compare
3" No-Caulk Roof Flashing (Thermoplastic)
SKU:
11889
Oatey
SKU:
11889
Brand:
Oatey
–
+
$8.17
each
ADD TO CART
Add to List
In Stock
Get 12 by
Tomorrow, Jun 5
In Stock
Get 12 by
Tomorrow, Jun 5
Add to List
VP4-6STRAIGHT Compare Checkbox
Compare
6" Straight Vent Pipe
SKU:
VP4-6STRAIGHT
Noritz
SKU:
VP4-6STRAIGHT
Brand:
Noritz
–
+
$19.20
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Jul 3 - Mon, Aug 3
Backorder
Get it by
Fri, Jul 3 - Mon, Aug 3
Add to List
V3VVK Compare Checkbox
Compare
3" Vertical Single Wall Stainless Steel Z-Vent Water Heater Vent Kit
SKU:
V3VVK
Eccotemp
SKU:
V3VVK
Brand:
Eccotemp
–
+
$279.00
each
ADD TO CART
Add to List
Out of Stock
Get it by
Fri, Jun 19 - Fri, Jun 26
Out of Stock
Get it by
Fri, Jun 19 - Fri, Jun 26
Add to List
CVP-90ELB Compare Checkbox
Compare
90° Concentric Elbow
SKU:
CVP-90ELB
Noritz
SKU:
CVP-90ELB
Brand:
Noritz
–
+
$66.84
each
ADD TO CART
Add to List
In Stock
Get 1 by
Tomorrow, Jun 5
Total Available: 2
In Stock
Get 1 by
Tomorrow, Jun 5
Total Available: 2
Add to List
SVEP1003 Compare Checkbox
Compare
10" x 3 Ft. Z-Vent Single Wall Pipe
SKU:
SVEP1003
Z-FLEX
SKU:
SVEP1003
Brand:
Z-FLEX
–
+
$361.11
each
ADD TO CART
Add to List
In Stock
Get 2 by
Wed, Jun 10
In Stock
Get 2 by
Wed, Jun 10
Add to List
185344PP Compare Checkbox
Compare
3"/5" Roof Termination Extension Kit
SKU:
185344PP
Rinnai
SKU:
185344PP
Brand:
Rinnai
–
+
$65.53
each
ADD TO CART
Add to List
In Stock
Get 2 by
Mon, Jun 8
Total Available: 3
In Stock
Get 2 by
Mon, Jun 8
Total Available: 3
Add to List
11921-OATEY Compare Checkbox
Compare
1.25" to 1.5" No-Caulk Roof Flashing (Galvanized Steel)
SKU:
11921-OATEY
Oatey
SKU:
11921-OATEY
Brand:
Oatey
–
+
$15.23
each
ADD TO CART
Add to List
In Stock
Get 8 by
Thu, Jun 11
In Stock
Get 8 by
Thu, Jun 11
Add to List
224055 Compare Checkbox
Compare
2"/4" Thimble
SKU:
224055
Rinnai
SKU:
224055
Brand:
Rinnai
–
+
$42.44
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Jul 3 - Mon, Aug 3
Backorder
Get it by
Fri, Jul 3 - Mon, Aug 3
Add to List
397256 Compare Checkbox
Compare
3" x 24" PVC FGV Universal Concentric Vent Kit, UL 1738 (UCVKT)
SKU:
397256
IPEX
SKU:
397256
Brand:
IPEX
–
+
$132.92
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Jul 3 - Mon, Aug 3
Backorder
Get it by
Fri, Jul 3 - Mon, Aug 3
Add to List
VT5-S45 Compare Checkbox
Compare
Horizontal Vent Termination with 45° Birdscreen
SKU:
VT5-S45
Noritz
SKU:
VT5-S45
Brand:
Noritz
–
+
$42.27
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Jul 3 - Mon, Aug 3
Backorder
Get it by
Fri, Jul 3 - Mon, Aug 3
Add to List
RGB-CTWH-2 Compare Checkbox
Compare
Condensing Tankless Recess Box for Ultra Series (KB and KBP Models Only)
SKU:
RGB-CTWH-2
Rinnai
SKU:
RGB-CTWH-2
Brand:
Rinnai
–
+
$597.69
each
ADD TO CART
Add to List
In Stock
Get 3 by
Mon, Jun 8
Total Available: 5
In Stock
Get 3 by
Mon, Jun 8
Total Available: 5
Add to List
185346PP Compare Checkbox
Compare
3"/5" Condensing Termination Extension
SKU:
185346PP
Rinnai
SKU:
185346PP
Brand:
Rinnai
–
+
$76.22
each
ADD TO CART
Add to List
In Stock
Get 1 by
Tomorrow, Jun 5
Total Available: 6
In Stock
Get 1 by
Tomorrow, Jun 5
Total Available: 6
Add to List
100112407 Compare Checkbox
Compare
4" x 6" Straight Vent Pipe
SKU:
100112407
AO Smith
SKU:
100112407
Brand:
AO Smith
(2)
–
+
$24.36
each
ADD TO CART
Add to List
In Stock
Get 5 by
Tomorrow, Jun 5
Total Available: 10
In Stock
Get 5 by
Tomorrow, Jun 5
Total Available: 10
Add to List
188481 Compare Checkbox
Compare
Retrofit Wall Plate (White)
SKU:
188481
Rinnai
SKU:
188481
Brand:
Rinnai
–
+
$11.83
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Jul 3 - Mon, Aug 3
Backorder
Get it by
Fri, Jul 3 - Mon, Aug 3
Add to List
397106 Compare Checkbox
Compare
3" x 32" PVC - FGV Concentric Vent Kit, UL 1738
SKU:
397106
IPEX
SKU:
397106
Brand:
IPEX
–
+
$133.82
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Jul 3 - Mon, Aug 3
Backorder
Get it by
Fri, Jul 3 - Mon, Aug 3
Add to List
11917 Compare Checkbox
Compare
1.25" to 1.5" No-Caulk Roof Flashing - SW Texas (Thermoplastic)
SKU:
11917
Oatey
SKU:
11917
Brand:
Oatey
–
+
$6.24
each
ADD TO CART
Add to List
In Stock
Get 8 by
Tue, Jun 9
Total Available: 9
In Stock
Get 8 by
Tue, Jun 9
Total Available: 9
Add to List
2SVSLAPVC06 Compare Checkbox
Compare
6" Z-Flex PVC to SS Vent Adapter
SKU:
2SVSLAPVC06
Z-FLEX
SKU:
2SVSLAPVC06
Brand:
Z-FLEX
–
+
$301.33
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Jul 3 - Mon, Aug 3
Backorder
Get it by
Fri, Jul 3 - Mon, Aug 3
Add to List
2SVSSCF04 Compare Checkbox
Compare
4" Z-Vent Flat Flashing
SKU:
2SVSSCF04
Z-FLEX
SKU:
2SVSSCF04
Brand:
Z-FLEX
–
+
$58.75
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Jul 3 - Mon, Aug 3
Backorder
Get it by
Fri, Jul 3 - Mon, Aug 3
Add to List
196105PVC Compare Checkbox
Compare
2" x 28" IPEX 2" Concentric Termination
SKU:
196105PVC
Rinnai
SKU:
196105PVC
Brand:
Rinnai
–
+
$72.52
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Jul 3 - Mon, Aug 3
Backorder
Get it by
Fri, Jul 3 - Mon, Aug 3
Add to List
CVK-H2-F Compare Checkbox
Compare
Double Wall Concentric Horizontal Vent Kit
SKU:
CVK-H2-F
Noritz
SKU:
CVK-H2-F
Brand:
Noritz
–
+
$136.30
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Jul 3 - Mon, Aug 3
Backorder
Get it by
Fri, Jul 3 - Mon, Aug 3
Add to List
FDAD051 Compare Checkbox
Compare
Drain Coupling
SKU:
FDAD051
Noritz
SKU:
FDAD051
Brand:
Noritz
–
+
$7.53
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Jul 3 - Mon, Aug 3
Backorder
Get it by
Fri, Jul 3 - Mon, Aug 3
Add to List
VP4-60ADJ Compare Checkbox
Compare
36" - 60" Adjustable Vent Pipe
SKU:
VP4-60ADJ
Noritz
SKU:
VP4-60ADJ
Brand:
Noritz
–
+
$154.78
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Jul 3 - Mon, Aug 3
Backorder
Get it by
Fri, Jul 3 - Mon, Aug 3
Add to List
PC-2S Compare Checkbox
Compare
Pipe Cover for NR981 (SV/OD)
SKU:
PC-2S
Noritz
SKU:
PC-2S
Brand:
Noritz
–
+
$113.87
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Jul 3 - Mon, Aug 3
Backorder
Get it by
Fri, Jul 3 - Mon, Aug 3
Add to List
100112158 Compare Checkbox
Compare
Pipe Cover (T-H2)
SKU:
100112158
Takagi
SKU:
100112158
Brand:
Takagi
–
+
$239.69
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Jul 3 - Mon, Aug 3
Backorder
Get it by
Fri, Jul 3 - Mon, Aug 3
Add to List
100112185 Compare Checkbox
Compare
Direct Vent Conversion Kit - (T-M32)
SKU:
100112185
Takagi
SKU:
100112185
Brand:
Takagi
–
+
$79.66
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Jul 3 - Mon, Aug 3
Backorder
Get it by
Fri, Jul 3 - Mon, Aug 3
Add to List
100112414 Compare Checkbox
Compare
4" Horizontal Drain Tee
SKU:
100112414
AO Smith
SKU:
100112414
Brand:
AO Smith
–
+
$54.55
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Jul 3 - Mon, Aug 3
Backorder
Get it by
Fri, Jul 3 - Mon, Aug 3
Add to List
100112548 Compare Checkbox
Compare
4" Extreme Weather Rain Cap
SKU:
100112548
AO Smith
SKU:
100112548
Brand:
AO Smith
–
+
$168.16
each
ADD TO CART
Add to List
Backorder
Get it by
Fri, Jul 3 - Mon, Aug 3
Backorder
Get it by
Fri, Jul 3 - Mon, Aug 3
Add to List
1
...
4
5
6
...
9
Resources
FAQs, Manuals & Videos
Videos
Types of Water Heaters
Venting for Boilers & Water Heaters
How to Connect PEX to a Water Heater
Sizing Tankless Water Heaters
Close Resources
Refresh
×
Video