Skip to accessibility statement
Free shipping on orders over $99
●
Your Zip:
43230
ORDER STATUS
Your Zip:
43230
HELP
MENU
CONTACT & SUPPORT
Live Chat Offline:
Email Us
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 (214)
Show
In Stock Only
(214)
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
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
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)
Price Range
–
$1 to $5 Filter (15)
$1 to $5 (15)
$5 to $10 Filter (27)
$5 to $10 (27)
$10 to $15 Filter (25)
$10 to $15 (25)
$15 to $20 Filter (12)
$15 to $20 (12)
$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 (5)
$35 to $40 (5)
$40 to $45 Filter (21)
$40 to $45 (21)
$45 to $50 Filter (10)
$45 to $50 (10)
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
224053 Compare Checkbox
Compare
39" Vent Pipe Extension (Non-Condensing)
SKU:
224053
Rinnai
SKU:
224053
Brand:
Rinnai
(28)
–
+
$62.81
each
ADD TO CART
Add to List
In Stock
Get 134 by
Tue, Jun 16
Total Available: 422
In Stock
Get 134 by
Tue, Jun 16
Total Available: 422
Add to List
HVENT-2 Compare Checkbox
Compare
2" Horizontal Termination Kit
SKU:
HVENT-2
DiversiTech
SKU:
HVENT-2
Brand:
DiversiTech
(13)
–
+
$46.86
each
ADD TO CART
Add to List
In Stock
Get 31 by
Tue, Jun 16
Total Available: 123
In Stock
Get 31 by
Tue, Jun 16
Total Available: 123
Add to List
VT2-PVCS Compare Checkbox
Compare
Birdscreen for 2" PVC Pipe Termination
SKU:
VT2-PVCS
Noritz
SKU:
VT2-PVCS
Brand:
Noritz
–
+
$2.26
each
BOX UP & SAVE 5%
–
+
$12.84 box of 6
$2.14
each
ADD TO CART
Add to List
In Stock
Get 619 by
Tue, Jun 16
Total Available: 1,697
In Stock
Get 619 by
Tue, Jun 16
Total Available: 1,697
Add to List
223182 Compare Checkbox
Compare
21" Horizontal Non-Condensing Vent Termination Kit w/ Elbow
SKU:
223182
Rinnai
SKU:
223182
Brand:
Rinnai
(49)
–
+
$115.42
each
ADD TO CART
Add to List
In Stock
Get 43 by
Tue, Jun 16
Total Available: 452
In Stock
Get 43 by
Tue, Jun 16
Total Available: 452
Add to List
224051 Compare Checkbox
Compare
10" Non-Condensing Vent Pipe Extension
SKU:
224051
Rinnai
SKU:
224051
Brand:
Rinnai
(15)
–
+
$41.08
each
ADD TO CART
Add to List
In Stock
Get 211 by
Tue, Jun 16
Total Available: 832
In Stock
Get 211 by
Tue, Jun 16
Total Available: 832
Add to List
22153 Compare Checkbox
Compare
3" Diameter Concentric Vent
SKU:
22153
Pasco
SKU:
22153
Brand:
Pasco
(8)
–
+
$63.04
each
ADD TO CART
Add to List
In Stock
Get 53 by
Tue, Jun 16
Total Available: 141
In Stock
Get 53 by
Tue, Jun 16
Total Available: 141
Add to List
223181 Compare Checkbox
Compare
11.5" Horizontal Non-Condensing Vent Termination Kit w/ Elbow
SKU:
223181
Rinnai
SKU:
223181
Brand:
Rinnai
(24)
–
+
$91.24
each
ADD TO CART
Add to List
In Stock
Get 39 by
Tue, Jun 16
Total Available: 103
In Stock
Get 39 by
Tue, Jun 16
Total Available: 103
Add to List
2SVEEWCF0490 Compare Checkbox
Compare
4" x 90° Z-Vent Single Wall Elbow
SKU:
2SVEEWCF0490
Z-FLEX
SKU:
2SVEEWCF0490
Brand:
Z-FLEX
(14)
–
+
$89.39
each
ADD TO CART
Add to List
In Stock
Get 69 by
Tue, Jun 16
Total Available: 203
In Stock
Get 69 by
Tue, Jun 16
Total Available: 203
Add to List
224052 Compare Checkbox
Compare
19.5" Non-Condensing Vent Pipe Extension
SKU:
224052
Rinnai
SKU:
224052
Brand:
Rinnai
(12)
–
+
$60.18
each
ADD TO CART
Add to List
In Stock
Get 75 by
Tue, Jun 16
Total Available: 328
In Stock
Get 75 by
Tue, Jun 16
Total Available: 328
Add to List
CVENTCAP2 Compare Checkbox
Compare
Cap for 2" Diameter Concentric Vent
SKU:
CVENTCAP2
DiversiTech
SKU:
CVENTCAP2
Brand:
DiversiTech
(11)
–
+
$11.39
each
ADD TO CART
Add to List
In Stock
Get 45 by
Thu, Jun 18
Total Available: 54
In Stock
Get 45 by
Thu, Jun 18
Total Available: 54
Add to List
PV-3 Compare Checkbox
Compare
3" Kozy Kollar Roof Flashing Kit
SKU:
PV-3
Kozy Kollar
SKU:
PV-3
Brand:
Kozy Kollar
(4)
–
+
$104.14
each
ADD TO CART
Add to List
In Stock
Get 30 by
Tue, Jun 16
Total Available: 100
In Stock
Get 30 by
Tue, Jun 16
Total Available: 100
Add to List
CVENTCAP3 Compare Checkbox
Compare
Cap for 3" Diameter Concentric Vent
SKU:
CVENTCAP3
DiversiTech
SKU:
CVENTCAP3
Brand:
DiversiTech
(14)
–
+
$13.09
each
ADD TO CART
Add to List
In Stock
Get 37 by
Tue, Jun 16
Total Available: 115
In Stock
Get 37 by
Tue, Jun 16
Total Available: 115
Add to List
224063 Compare Checkbox
Compare
90° Non-Condensing Vent Pipe Elbow
SKU:
224063
Rinnai
SKU:
224063
Brand:
Rinnai
(11)
–
+
$47.50
each
ADD TO CART
Add to List
In Stock
Get 78 by
Tue, Jun 16
Total Available: 328
In Stock
Get 78 by
Tue, Jun 16
Total Available: 328
Add to List
HVENT-3 Compare Checkbox
Compare
3" Horizontal Termination Kit
SKU:
HVENT-3
DiversiTech
SKU:
HVENT-3
Brand:
DiversiTech
(4)
–
+
$44.32
each
ADD TO CART
Add to List
In Stock
Get 21 by
Tue, Jun 16
Total Available: 96
In Stock
Get 21 by
Tue, Jun 16
Total Available: 96
Add to List
11910 Compare Checkbox
Compare
3" No-Caulk Roof Flashing (Thermoplastic)
SKU:
11910
Oatey
SKU:
11910
Brand:
Oatey
(2)
–
+
$3.41
each
ADD TO CART
Add to List
In Stock
Get 283 by
Tue, Jun 16
Total Available: 1,468
In Stock
Get 283 by
Tue, Jun 16
Total Available: 1,468
Add to List
PV-2 Compare Checkbox
Compare
2" Kozy Kollar Roof Flashing Kit
SKU:
PV-2
Kozy Kollar
SKU:
PV-2
Brand:
Kozy Kollar
(2)
–
+
$94.08
each
ADD TO CART
Add to List
In Stock
Get 44 by
Tue, Jun 16
Total Available: 100
In Stock
Get 44 by
Tue, Jun 16
Total Available: 100
Add to List
397984-IPEX Compare Checkbox
Compare
2" PVC FGV Low Profile Termination Kit, UL 1738
SKU:
397984-IPEX
IPEX
SKU:
397984-IPEX
Brand:
IPEX
–
+
$55.12
each
ADD TO CART
Add to List
In Stock
Get 29 by
Tue, Jun 16
Total Available: 92
In Stock
Get 29 by
Tue, Jun 16
Total Available: 92
Add to List
2SVEPWCF0404 Compare Checkbox
Compare
4" x 4 Ft. Z-Vent Single Wall Pipe
SKU:
2SVEPWCF0404
Z-FLEX
SKU:
2SVEPWCF0404
Brand:
Z-FLEX
(46)
–
+
$78.81
each
ADD TO CART
Add to List
In Stock
Get 7 by
Tue, Jun 16
Total Available: 35
In Stock
Get 7 by
Tue, Jun 16
Total Available: 35
Add to List
224050 Compare Checkbox
Compare
45° Non-Condensing Vent Pipe Elbows (2 Pack)
SKU:
224050
Rinnai
SKU:
224050
Brand:
Rinnai
(15)
–
+
$70.19
each
ADD TO CART
Add to List
In Stock
Get 79 by
Tue, Jun 16
Total Available: 156
In Stock
Get 79 by
Tue, Jun 16
Total Available: 156
Add to List
EGBD032 Compare Checkbox
Compare
Tankless Water Heater Filter
SKU:
EGBD032
Noritz
SKU:
EGBD032
Brand:
Noritz
(26)
–
+
$7.79
each
ADD TO CART
Add to List
In Stock
Get 100 by
Tue, Jun 16
Total Available: 318
In Stock
Get 100 by
Tue, Jun 16
Total Available: 318
Add to List
22152 Compare Checkbox
Compare
2" Diameter Concentric Vent
SKU:
22152
Pasco
SKU:
22152
Brand:
Pasco
–
+
$51.88
each
ADD TO CART
Add to List
In Stock
Get 47 by
Tue, Jun 16
Total Available: 128
In Stock
Get 47 by
Tue, Jun 16
Total Available: 128
Add to List
184118-S Compare Checkbox
Compare
18" Vertical Roof Discharge Termination (above roof)
SKU:
184118-S
Rinnai
SKU:
184118-S
Brand:
Rinnai
(21)
–
+
$141.17
each
ADD TO CART
Add to List
In Stock
Get 62 by
Wed, Jun 17
Total Available: 175
In Stock
Get 62 by
Wed, Jun 17
Total Available: 175
Add to List
11853-OATEY Compare Checkbox
Compare
2" No-Caulk Roof Flashing (Galvanized Steel)
SKU:
11853-OATEY
Oatey
SKU:
11853-OATEY
Brand:
Oatey
(2)
–
+
$7.23
each
ADD TO CART
Add to List
In Stock
Get 194 by
Tue, Jun 16
Total Available: 395
In Stock
Get 194 by
Tue, Jun 16
Total Available: 395
Add to List
12946 Compare Checkbox
Compare
3" No-Caulk Roof Flashing (Aluminum)
SKU:
12946
Oatey
SKU:
12946
Brand:
Oatey
(1)
–
+
$10.60
each
ADD TO CART
Add to List
In Stock
Get 62 by
Tue, Jun 16
Total Available: 162
In Stock
Get 62 by
Tue, Jun 16
Total Available: 162
Add to List
11909 Compare Checkbox
Compare
2" No-Caulk Roof Flashing (Thermoplastic)
SKU:
11909
Oatey
SKU:
11909
Brand:
Oatey
–
+
$3.43
each
ADD TO CART
Add to List
In Stock
Get 36 by
Wed, Jun 17
Total Available: 2,353
In Stock
Get 36 by
Wed, Jun 17
Total Available: 2,353
Add to List
14136 Compare Checkbox
Compare
1-1/2" - 3" Rain Collar for No-Calk Roof Flashing
SKU:
14136
Oatey
SKU:
14136
Brand:
Oatey
(6)
–
+
$4.82
each
ADD TO CART
Add to List
In Stock
Get 133 by
Tue, Jun 16
Total Available: 591
In Stock
Get 133 by
Tue, Jun 16
Total Available: 591
Add to List
189958 Compare Checkbox
Compare
Shingle Roof Flashing (1/12 to 16/12 Pitch)
SKU:
189958
Rinnai
SKU:
189958
Brand:
Rinnai
(6)
–
+
$59.93
each
ADD TO CART
Add to List
In Stock
Get 28 by
Tue, Jun 16
Total Available: 69
In Stock
Get 28 by
Tue, Jun 16
Total Available: 69
Add to List
CVENT-2-EXT Compare Checkbox
Compare
2" Diameter Concentric Vent - Extended
SKU:
CVENT-2-EXT
DiversiTech
SKU:
CVENT-2-EXT
Brand:
DiversiTech
(1)
–
+
$79.24
each
ADD TO CART
Add to List
In Stock
Get 27 by
Tue, Jun 16
Total Available: 88
In Stock
Get 27 by
Tue, Jun 16
Total Available: 88
Add to List
EV-4 Compare Checkbox
Compare
4" Kozy Kollar Exhaust Hood
SKU:
EV-4
Kozy Kollar
SKU:
EV-4
Brand:
Kozy Kollar
(2)
–
+
$227.20
each
ADD TO CART
Add to List
In Stock
Get 22 by
Tue, Jun 16
Total Available: 66
In Stock
Get 22 by
Tue, Jun 16
Total Available: 66
Add to List
710342 Compare Checkbox
Compare
Rubber Wall Plate (White)
SKU:
710342
Rinnai
SKU:
710342
Brand:
Rinnai
(7)
–
+
$8.57
each
ADD TO CART
Add to List
In Stock
Get 20 by
Tue, Jun 16
Total Available: 147
In Stock
Get 20 by
Tue, Jun 16
Total Available: 147
Add to List
DTJD006 Compare Checkbox
Compare
Water Filter Cap
SKU:
DTJD006
Noritz
SKU:
DTJD006
Brand:
Noritz
(5)
–
+
$3.16
each
ADD TO CART
Add to List
In Stock
Get 41 by
Tue, Jun 16
Total Available: 96
In Stock
Get 41 by
Tue, Jun 16
Total Available: 96
Add to List
11830-OATEY Compare Checkbox
Compare
0.5" to 1" No-Caulk Roof Flashing (Galvanized Steel)
SKU:
11830-OATEY
Oatey
SKU:
11830-OATEY
Brand:
Oatey
(1)
–
+
$6.62
each
ADD TO CART
Add to List
In Stock
Get 12 by
Wed, Jun 17
Total Available: 650
In Stock
Get 12 by
Wed, Jun 17
Total Available: 650
Add to List
PVT-HL Compare Checkbox
Compare
3"/4" Horizontal Hood/Louvre Vent Termination
SKU:
PVT-HL
Noritz
SKU:
PVT-HL
Brand:
Noritz
(12)
–
+
$41.80
each
ADD TO CART
Add to List
In Stock
Get 51 by
Tue, Jun 16
Total Available: 76
In Stock
Get 51 by
Tue, Jun 16
Total Available: 76
Add to List
184119 Compare Checkbox
Compare
38" Vertical Non-Condensing Roof Discharge Termination, Cold Climate
SKU:
184119
Rinnai
SKU:
184119
Brand:
Rinnai
(6)
–
+
$153.28
each
ADD TO CART
Add to List
In Stock
Get 11 by
Tue, Jun 16
Total Available: 80
In Stock
Get 11 by
Tue, Jun 16
Total Available: 80
Add to List
CVENT-4 Compare Checkbox
Compare
4" Diameter Concentric Vent
SKU:
CVENT-4
DiversiTech
SKU:
CVENT-4
Brand:
DiversiTech
(4)
–
+
$187.35
each
ADD TO CART
Add to List
In Stock
Get 12 by
Tue, Jun 16
Total Available: 39
In Stock
Get 12 by
Tue, Jun 16
Total Available: 39
Add to List
11919-OATEY Compare Checkbox
Compare
1.5" to 3" No-Caulk Roof Flashing (Thermoplastic)
SKU:
11919-OATEY
Oatey
SKU:
11919-OATEY
Brand:
Oatey
(1)
–
+
$4.84
each
ADD TO CART
Add to List
In Stock
Get 433 by
Tue, Jun 16
Total Available: 982
In Stock
Get 433 by
Tue, Jun 16
Total Available: 982
Add to List
229320 Compare Checkbox
Compare
39" 2/4 Condensing Vent Pipe Extension (PPtl)
SKU:
229320
Rinnai
SKU:
229320
Brand:
Rinnai
(3)
–
+
$37.69
each
ADD TO CART
Add to List
In Stock
Get 37 by
Tue, Jun 16
Total Available: 119
In Stock
Get 37 by
Tue, Jun 16
Total Available: 119
Add to List
12805 Compare Checkbox
Compare
0.5" to 2.5" Vertical Flashing (Plastic and Elastomeric)
SKU:
12805
Oatey
SKU:
12805
Brand:
Oatey
–
+
$8.73
each
ADD TO CART
Add to List
In Stock
Get 137 by
Tue, Jun 16
Total Available: 299
In Stock
Get 137 by
Tue, Jun 16
Total Available: 299
Add to List
11866-OATEY Compare Checkbox
Compare
3" No-Caulk Roof Flashing (Galvanized Steel)
SKU:
11866-OATEY
Oatey
SKU:
11866-OATEY
Brand:
Oatey
(1)
–
+
$11.10
each
ADD TO CART
Add to List
In Stock
Get 36 by
Fri, Jun 19
In Stock
Get 36 by
Fri, Jun 19
Add to List
4STPHA04 Compare Checkbox
Compare
4" Sta-Rite / Pentair Pool Heater Adapter
SKU:
4STPHA04
Z-FLEX
SKU:
4STPHA04
Brand:
Z-FLEX
–
+
$49.05
each
ADD TO CART
Add to List
In Stock
Get 13 by
Tue, Jun 16
Total Available: 50
In Stock
Get 13 by
Tue, Jun 16
Total Available: 50
Add to List
2ZVWB04 Compare Checkbox
Compare
4" Z-Vent Water Heater Horizontal Vent Kit w/ Backflow
SKU:
2ZVWB04
Z-FLEX
SKU:
2ZVWB04
Brand:
Z-FLEX
(26)
–
+
$278.23
each
ADD TO CART
Add to List
In Stock
Get 20 by
Tue, Jun 16
Total Available: 40
In Stock
Get 20 by
Tue, Jun 16
Total Available: 40
Add to List
223177PP Compare Checkbox
Compare
21" Horizontal Condensing Termination Kit w/ Elbow
SKU:
223177PP
Rinnai
SKU:
223177PP
Brand:
Rinnai
(13)
–
+
$120.64
each
ADD TO CART
Add to List
In Stock
Get 28 by
Tue, Jun 16
Total Available: 163
In Stock
Get 28 by
Tue, Jun 16
Total Available: 163
Add to List
RTG20280-1 Compare Checkbox
Compare
Horizontal Vent-Straight Termination Kit
SKU:
RTG20280-1
Rheem
SKU:
RTG20280-1
Brand:
Rheem
–
+
$94.13
each
ADD TO CART
Add to List
In Stock
Get 3 by
Tue, Jun 16
In Stock
Get 3 by
Tue, Jun 16
Add to List
710602 Compare Checkbox
Compare
Rubber Wall Plate (Black)
SKU:
710602
Rinnai
SKU:
710602
Brand:
Rinnai
(7)
–
+
$8.72
each
ADD TO CART
Add to List
In Stock
Get 15 by
Tue, Jun 16
Total Available: 62
In Stock
Get 15 by
Tue, Jun 16
Total Available: 62
Add to List
2ZVB04 Compare Checkbox
Compare
4" Z-Vent Universal Appliance Adapter w/ Backflow
SKU:
2ZVB04
Z-FLEX
SKU:
2ZVB04
Brand:
Z-FLEX
(10)
–
+
$44.41
each
ADD TO CART
Add to List
In Stock
Get 16 by
Tue, Jun 16
Total Available: 52
In Stock
Get 16 by
Tue, Jun 16
Total Available: 52
Add to List
223184 Compare Checkbox
Compare
21" Universal Non-Condensing Horizontal Termination
SKU:
223184
Rinnai
SKU:
223184
Brand:
Rinnai
–
+
$75.77
each
ADD TO CART
Add to List
In Stock
Get 3 by
Tue, Jun 16
Total Available: 12
In Stock
Get 3 by
Tue, Jun 16
Total Available: 12
Add to List
397985-IPEX Compare Checkbox
Compare
3" PVC FGV Low Profile Termination Kit, UL 1738
SKU:
397985-IPEX
IPEX
SKU:
397985-IPEX
Brand:
IPEX
–
+
$55.75
each
ADD TO CART
Add to List
In Stock
Get 16 by
Tue, Jun 16
Total Available: 53
In Stock
Get 16 by
Tue, Jun 16
Total Available: 53
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
Tue, Jun 16
Total Available: 38
In Stock
Get 11 by
Tue, Jun 16
Total Available: 38
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