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
223184 Compare Checkbox
Compare
21" Universal Non-Condensing Horizontal Termination
SKU:
223184
Rinnai
SKU:
223184
Brand:
Rinnai
–
+
$73.70
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
11911 Compare Checkbox
Compare
4" No-Caulk Roof Flashing (Thermoplastic)
SKU:
11911
Oatey
SKU:
11911
Brand:
Oatey
–
+
$3.60
each
ADD TO CART
Add to List
In Stock
Get 59 by
Tomorrow, Jun 5
Total Available: 137
In Stock
Get 59 by
Tomorrow, Jun 5
Total Available: 137
Add to List
CVENT-3-EXT Compare Checkbox
Compare
3" Diameter Concentric Vent - Extended
SKU:
CVENT-3-EXT
DiversiTech
SKU:
CVENT-3-EXT
Brand:
DiversiTech
(1)
–
+
$124.51
each
ADD TO CART
Add to List
In Stock
Get 11 by
Tue, Jun 9
In Stock
Get 11 by
Tue, Jun 9
Add to List
14135 Compare Checkbox
Compare
2" Rain Collar for No-Calk Roof Flashing
SKU:
14135
Oatey
SKU:
14135
Brand:
Oatey
(3)
–
+
$6.48
each
ADD TO CART
Add to List
In Stock
Get 21 by
Tomorrow, Jun 5
Total Available: 127
In Stock
Get 21 by
Tomorrow, Jun 5
Total Available: 127
Add to List
CVS-3 Compare Checkbox
Compare
3" Diameter Concentric Vent Screen
SKU:
CVS-3
DiversiTech
SKU:
CVS-3
Brand:
DiversiTech
(1)
–
+
$8.65
each
BOX UP & SAVE 8%
–
+
$39.85 box of 5
$7.97
each
ADD TO CART
Add to List
In Stock
Get 5 by
Wed, Jun 10
Total Available: 7
In Stock
Get 5 by
Wed, Jun 10
Total Available: 7
Add to List
VT3-PVCS Compare Checkbox
Compare
Bird Screen for 3" PVC Pipe Termination
SKU:
VT3-PVCS
Noritz
SKU:
VT3-PVCS
Brand:
Noritz
(4)
–
+
$28.42
each
ADD TO CART
Add to List
In Stock
Get 11 by
Tomorrow, Jun 5
Total Available: 38
In Stock
Get 11 by
Tomorrow, Jun 5
Total Available: 38
Add to List
2SVSTTF03 Compare Checkbox
Compare
3" Z-Vent Horizontal Termination Tee
SKU:
2SVSTTF03
Z-FLEX
SKU:
2SVSTTF03
Brand:
Z-FLEX
(3)
–
+
$58.40
each
ADD TO CART
Add to List
In Stock
Get 1 by
Tomorrow, Jun 5
Total Available: 17
In Stock
Get 1 by
Tomorrow, Jun 5
Total Available: 17
Add to List
169044 Compare Checkbox
Compare
Venting Pipe Clamp
SKU:
169044
Rinnai
SKU:
169044
Brand:
Rinnai
–
+
$8.55
each
ADD TO CART
Add to List
In Stock
Get 43 by
Tomorrow, Jun 5
Total Available: 72
In Stock
Get 43 by
Tomorrow, Jun 5
Total Available: 72
Add to List
12806 Compare Checkbox
Compare
3" to 6" Vertical Flashing (Plastic and Elastomeric)
SKU:
12806
Oatey
SKU:
12806
Brand:
Oatey
–
+
$11.11
each
ADD TO CART
Add to List
In Stock
Get 64 by
Tomorrow, Jun 5
Total Available: 174
In Stock
Get 64 by
Tomorrow, Jun 5
Total Available: 174
Add to List
229319 Compare Checkbox
Compare
2/4" x 19-1/2" Condensing Vent Pipe Extension (PPtl)
SKU:
229319
Rinnai
SKU:
229319
Brand:
Rinnai
(2)
–
+
$32.27
each
ADD TO CART
Add to List
In Stock
Get 15 by
Tomorrow, Jun 5
Total Available: 42
In Stock
Get 15 by
Tomorrow, Jun 5
Total Available: 42
Add to List
229233 Compare Checkbox
Compare
2/4" Condensing 90-degree Elbow (PPtl)
SKU:
229233
Rinnai
SKU:
229233
Brand:
Rinnai
–
+
$27.55
each
ADD TO CART
Add to List
In Stock
Get 8 by
Tomorrow, Jun 5
Total Available: 32
In Stock
Get 8 by
Tomorrow, Jun 5
Total Available: 32
Add to List
14193 Compare Checkbox
Compare
3" Rain Collar For No-Caulk Roof Flashings
SKU:
14193
Oatey
SKU:
14193
Brand:
Oatey
(1)
–
+
$8.89
each
ADD TO CART
Add to List
In Stock
Get 15 by
Tomorrow, Jun 5
Total Available: 73
In Stock
Get 15 by
Tomorrow, Jun 5
Total Available: 73
Add to List
229032 Compare Checkbox
Compare
2/4" Condensing Horizontal Termination Kit, 21" (PPtl)
SKU:
229032
Rinnai
SKU:
229032
Brand:
Rinnai
(3)
–
+
$68.45
each
ADD TO CART
Add to List
In Stock
Get 32 by
Tomorrow, Jun 5
Total Available: 67
In Stock
Get 32 by
Tomorrow, Jun 5
Total Available: 67
Add to List
12959 Compare Checkbox
Compare
4" No-Caulk Roof Flashing (Aluminum)
SKU:
12959
Oatey
SKU:
12959
Brand:
Oatey
–
+
$12.98
each
ADD TO CART
Add to List
In Stock
Get 20 by
Tomorrow, Jun 5
Total Available: 92
In Stock
Get 20 by
Tomorrow, Jun 5
Total Available: 92
Add to List
229318 Compare Checkbox
Compare
2/4" x 10" Condensing Vent Pipe Extension (PPtl)
SKU:
229318
Rinnai
SKU:
229318
Brand:
Rinnai
(1)
–
+
$23.07
each
ADD TO CART
Add to List
In Stock
Get 16 by
Tomorrow, Jun 5
Total Available: 43
In Stock
Get 16 by
Tomorrow, Jun 5
Total Available: 43
Add to List
CVS-2 Compare Checkbox
Compare
2" Diameter Concentric Vent Screen
SKU:
CVS-2
DiversiTech
SKU:
CVS-2
Brand:
DiversiTech
(1)
–
+
$8.00
each
BOX UP & SAVE 6%
–
+
$37.55 box of 5
$7.51
each
ADD TO CART
Add to List
In Stock
Get 9 by
Tomorrow, Jun 5
Total Available: 71
In Stock
Get 9 by
Tomorrow, Jun 5
Total Available: 71
Add to List
CVENTCAP4 Compare Checkbox
Compare
Cap for 4" Diameter Concentric Vent
SKU:
CVENTCAP4
DiversiTech
SKU:
CVENTCAP4
Brand:
DiversiTech
–
+
$34.52
each
ADD TO CART
Add to List
In Stock
Get 17 by
Tomorrow, Jun 5
Total Available: 39
In Stock
Get 17 by
Tomorrow, Jun 5
Total Available: 39
Add to List
PRC-1 Compare Checkbox
Compare
Plastic Rain Cap
SKU:
PRC-1
Noritz
SKU:
PRC-1
Brand:
Noritz
(3)
–
+
$56.17
each
ADD TO CART
Add to List
In Stock
Get 6 by
Tomorrow, Jun 5
Total Available: 10
In Stock
Get 6 by
Tomorrow, Jun 5
Total Available: 10
Add to List
2SVSTTF04 Compare Checkbox
Compare
4" Z-Vent Horizontal Termination Tee
SKU:
2SVSTTF04
Z-FLEX
SKU:
2SVSTTF04
Brand:
Z-FLEX
(4)
–
+
$88.35
each
ADD TO CART
Add to List
In Stock
Get 4 by
Tomorrow, Jun 5
Total Available: 13
In Stock
Get 4 by
Tomorrow, Jun 5
Total Available: 13
Add to List
BRQL008 Compare Checkbox
Compare
O-Ring, BRQL008
SKU:
BRQL008
Noritz
SKU:
BRQL008
Brand:
Noritz
(3)
–
+
$2.91
each
ADD TO CART
Add to List
In Stock
Get 15 by
Tomorrow, Jun 5
Total Available: 30
In Stock
Get 15 by
Tomorrow, Jun 5
Total Available: 30
Add to List
229031 Compare Checkbox
Compare
2/4" Condensing Horizontal Termination Kit, 12" (PPtl)
SKU:
229031
Rinnai
SKU:
229031
Brand:
Rinnai
(4)
–
+
$67.07
each
ADD TO CART
Add to List
In Stock
Get 14 by
Tomorrow, Jun 5
Total Available: 31
In Stock
Get 14 by
Tomorrow, Jun 5
Total Available: 31
Add to List
PV-4 Compare Checkbox
Compare
4" Kozy Kollar Roof Flashing Kit
SKU:
PV-4
Kozy Kollar
SKU:
PV-4
Brand:
Kozy Kollar
–
+
$127.55
each
ADD TO CART
Add to List
In Stock
Get 9 by
Tomorrow, Jun 5
Total Available: 34
In Stock
Get 9 by
Tomorrow, Jun 5
Total Available: 34
Add to List
11871-OATEY Compare Checkbox
Compare
1.5" to 3" All-Flash No-Caulk Roof Flashing (Galvanized Steel)
SKU:
11871-OATEY
Oatey
SKU:
11871-OATEY
Brand:
Oatey
(1)
–
+
$11.81
each
ADD TO CART
Add to List
In Stock
Get 23 by
Tomorrow, Jun 5
Total Available: 122
In Stock
Get 23 by
Tomorrow, Jun 5
Total Available: 122
Add to List
11908 Compare Checkbox
Compare
1.25" to 1.5" No-Caulk Roof Flashing (Thermoplastic)
SKU:
11908
Oatey
SKU:
11908
Brand:
Oatey
–
+
$3.18
each
ADD TO CART
Add to List
In Stock
Get 328 by
Tomorrow, Jun 5
Total Available: 564
In Stock
Get 328 by
Tomorrow, Jun 5
Total Available: 564
Add to List
224077PP Compare Checkbox
Compare
45° Condensing Vent Pipe Elbow (2 Pack)
SKU:
224077PP
Rinnai
SKU:
224077PP
Brand:
Rinnai
(3)
–
+
$55.01
each
ADD TO CART
Add to List
In Stock
Get 24 by
Tomorrow, Jun 5
Total Available: 97
In Stock
Get 24 by
Tomorrow, Jun 5
Total Available: 97
Add to List
223176PP Compare Checkbox
Compare
12" Horizontal Condensing Termination Kit w/ Elbow
SKU:
223176PP
Rinnai
SKU:
223176PP
Brand:
Rinnai
(6)
–
+
$127.18
each
ADD TO CART
Add to List
In Stock
Get 12 by
Tomorrow, Jun 5
Total Available: 99
In Stock
Get 12 by
Tomorrow, Jun 5
Total Available: 99
Add to List
12933-OATEY Compare Checkbox
Compare
2" No-Caulk Roof Flashing (Aluminum)
SKU:
12933-OATEY
Oatey
SKU:
12933-OATEY
Brand:
Oatey
–
+
$9.68
each
ADD TO CART
Add to List
In Stock
Get 31 by
Tomorrow, Jun 5
Total Available: 73
In Stock
Get 31 by
Tomorrow, Jun 5
Total Available: 73
Add to List
2SVSZA4 Compare Checkbox
Compare
4" Zodiac Adapter
SKU:
2SVSZA4
Z-FLEX
SKU:
2SVSZA4
Brand:
Z-FLEX
–
+
$41.04
each
ADD TO CART
Add to List
In Stock
Get 8 by
Tomorrow, Jun 5
Total Available: 31
In Stock
Get 8 by
Tomorrow, Jun 5
Total Available: 31
Add to List
2SVSLSF04 Compare Checkbox
Compare
4" Z-Vent Top Support/Storm Collar
SKU:
2SVSLSF04
Z-FLEX
SKU:
2SVSLSF04
Brand:
Z-FLEX
–
+
$44.65
each
ADD TO CART
Add to List
In Stock
Get 8 by
Tomorrow, Jun 5
Total Available: 37
In Stock
Get 8 by
Tomorrow, Jun 5
Total Available: 37
Add to List
11930-OATEY Compare Checkbox
Compare
1.5" to 3" No-Caulk Roof Flashing (Thermoplastic)
SKU:
11930-OATEY
Oatey
SKU:
11930-OATEY
Brand:
Oatey
(1)
–
+
$12.31
each
ADD TO CART
Add to List
In Stock
Get 28 by
Tomorrow, Jun 5
Total Available: 365
In Stock
Get 28 by
Tomorrow, Jun 5
Total Available: 365
Add to List
PVC-3LPT Compare Checkbox
Compare
3" PVC Low Profile Termination Kit
SKU:
PVC-3LPT
Noritz
SKU:
PVC-3LPT
Brand:
Noritz
(3)
–
+
$75.50
each
ADD TO CART
Add to List
In Stock
Get 5 by
Tomorrow, Jun 5
Total Available: 28
In Stock
Get 5 by
Tomorrow, Jun 5
Total Available: 28
Add to List
224359 Compare Checkbox
Compare
2/4" Condensing Roof Discharge Termination, 20" (Above Roof) (PPtl)
SKU:
224359
Rinnai
SKU:
224359
Brand:
Rinnai
(3)
–
+
$73.82
each
ADD TO CART
Add to List
In Stock
Get 4 by
Tomorrow, Jun 5
Total Available: 17
In Stock
Get 4 by
Tomorrow, Jun 5
Total Available: 17
Add to List
2SVSRCF04 Compare Checkbox
Compare
4" Z-Vent Rain Cap
SKU:
2SVSRCF04
Z-FLEX
SKU:
2SVSRCF04
Brand:
Z-FLEX
(4)
–
+
$106.86
each
ADD TO CART
Add to List
In Stock
Get 4 by
Tomorrow, Jun 5
Total Available: 25
In Stock
Get 4 by
Tomorrow, Jun 5
Total Available: 25
Add to List
397006 Compare Checkbox
Compare
3" x 20" PVC - FGV Concentric Vent Kit, UL 1738
SKU:
397006
IPEX
SKU:
397006
Brand:
IPEX
–
+
$98.54
each
ADD TO CART
Add to List
In Stock
Get 4 by
Tomorrow, Jun 5
Total Available: 8
In Stock
Get 4 by
Tomorrow, Jun 5
Total Available: 8
Add to List
224079PP Compare Checkbox
Compare
19.5" Condensing Vent Pipe Extension for Ultra Series
SKU:
224079PP
Rinnai
SKU:
224079PP
Brand:
Rinnai
(9)
–
+
$54.53
each
ADD TO CART
Add to List
In Stock
Get 11 by
Tomorrow, Jun 5
Total Available: 131
In Stock
Get 11 by
Tomorrow, Jun 5
Total Available: 131
Add to List
2SVEEWC0590 Compare Checkbox
Compare
5" x 90° Z-Vent Single Wall Elbow
SKU:
2SVEEWC0590
Z-FLEX
SKU:
2SVEEWC0590
Brand:
Z-FLEX
(14)
–
+
$141.60
each
ADD TO CART
Add to List
In Stock
Get 17 by
Tomorrow, Jun 5
Total Available: 25
In Stock
Get 17 by
Tomorrow, Jun 5
Total Available: 25
Add to List
224087PP Compare Checkbox
Compare
10" Condensing Vent Pipe Extension for Ultra Series
SKU:
224087PP
Rinnai
SKU:
224087PP
Brand:
Rinnai
(6)
–
+
$46.63
each
ADD TO CART
Add to List
In Stock
Get 1 by
Mon, Jun 8
Total Available: 92
In Stock
Get 1 by
Mon, Jun 8
Total Available: 92
Add to List
12956 Compare Checkbox
Compare
3" to 4" No-Caulk Roof Flashing (Aluminum)
SKU:
12956
Oatey
SKU:
12956
Brand:
Oatey
–
+
$14.91
each
ADD TO CART
Add to List
In Stock
Get 10 by
Tomorrow, Jun 5
Total Available: 166
In Stock
Get 10 by
Tomorrow, Jun 5
Total Available: 166
Add to List
2SVEPWC0503 Compare Checkbox
Compare
5" x 3 Ft. Z-Vent Single Wall Pipe
SKU:
2SVEPWC0503
Z-FLEX
SKU:
2SVEPWC0503
Brand:
Z-FLEX
(46)
–
+
$97.94
each
ADD TO CART
Add to List
In Stock
Get 8 by
Tomorrow, Jun 5
Total Available: 12
In Stock
Get 8 by
Tomorrow, Jun 5
Total Available: 12
Add to List
229208 Compare Checkbox
Compare
2/4" Condensing 45-degree Elbow (2 Pack) (PPtl)
SKU:
229208
Rinnai
SKU:
229208
Brand:
Rinnai
(2)
–
+
$39.49
each
ADD TO CART
Add to List
In Stock
Get 6 by
Tomorrow, Jun 5
Total Available: 19
In Stock
Get 6 by
Tomorrow, Jun 5
Total Available: 19
Add to List
14208 Compare Checkbox
Compare
4" Rain Collar for No-Calk Roof Flashing
SKU:
14208
Oatey
SKU:
14208
Brand:
Oatey
–
+
$11.74
each
ADD TO CART
Add to List
In Stock
Get 10 by
Tue, Jun 9
Total Available: 19
In Stock
Get 10 by
Tue, Jun 9
Total Available: 19
Add to List
184162PP Compare Checkbox
Compare
3/5" Condensing Vertical Roof Termination, 20" (Above Roof)
SKU:
184162PP
Rinnai
SKU:
184162PP
Brand:
Rinnai
(5)
–
+
$157.45
each
ADD TO CART
Add to List
In Stock
Get 3 by
Mon, Jun 8
Total Available: 38
In Stock
Get 3 by
Mon, Jun 8
Total Available: 38
Add to List
397105 Compare Checkbox
Compare
2" x 28" PVC Concentric Vent Kit, UL 1738
SKU:
397105
IPEX
SKU:
397105
Brand:
IPEX
–
+
$88.69
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
397005 Compare Checkbox
Compare
2" x 16" PVC - FGV Concentric Vent Kit, UL 1738
SKU:
397005
IPEX
SKU:
397005
Brand:
IPEX
–
+
$108.10
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
PVC-3CT Compare Checkbox
Compare
3" PVC Concentric Horizontal Termination
SKU:
PVC-3CT
Noritz
SKU:
PVC-3CT
Brand:
Noritz
(5)
–
+
$97.20
each
ADD TO CART
Add to List
In Stock
Get 8 by
Tomorrow, Jun 5
Total Available: 17
In Stock
Get 8 by
Tomorrow, Jun 5
Total Available: 17
Add to List
CVENT-2AB Compare Checkbox
Compare
2" Diameter Concentric Vent, Accel Bushing
SKU:
CVENT-2AB
DiversiTech
SKU:
CVENT-2AB
Brand:
DiversiTech
(1)
–
+
$6.64
each
ADD TO CART
Add to List
In Stock
Get 35 by
Wed, Jun 10
Total Available: 45
In Stock
Get 35 by
Wed, Jun 10
Total Available: 45
Add to List
224078PP Compare Checkbox
Compare
90° Condensing Vent Pipe Elbow
SKU:
224078PP
Rinnai
SKU:
224078PP
Brand:
Rinnai
(5)
–
+
$53.02
each
ADD TO CART
Add to List
In Stock
Get 23 by
Mon, Jun 8
Total Available: 95
In Stock
Get 23 by
Mon, Jun 8
Total Available: 95
Add to List
100112416 Compare Checkbox
Compare
4" Backflow and F-F Adapter
SKU:
100112416
AO Smith
SKU:
100112416
Brand:
AO Smith
(14)
–
+
$91.16
each
ADD TO CART
Add to List
In Stock
Get 12 by
Tomorrow, Jun 5
Total Available: 22
In Stock
Get 12 by
Tomorrow, Jun 5
Total Available: 22
Add to List
1
2
3
4
...
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