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
540 items
Reset
SORT
Top Sellers
Default
Price ▲
Price ▼
Product Availability
–
Show In Stock Only</strong> Filter (88)
Show
In Stock Only
(88)
Used With
–
T-D2-IN (LP) Filter (81)
T-D2-IN (LP) (81)
T-D2-IN (NG) Filter (81)
T-D2-IN (NG) (81)
T-D2-OS (LP) Filter (81)
T-D2-OS (LP) (81)
T-D2-OS (NG) Filter (81)
T-D2-OS (NG) (81)
T-D2U-IN (NG) Filter (65)
T-D2U-IN (NG) (65)
T-D2U-OS (NG) Filter (65)
T-D2U-OS (NG) (65)
T-H1 (LP) Filter (66)
T-H1 (LP) (66)
T-H1 (NG) Filter (66)
T-H1 (NG) (66)
T-H2-DV (LP) Filter (104)
T-H2-DV (LP) (104)
T-H2-DV (NG) Filter (105)
T-H2-DV (NG) (105)
See More
Price Range
–
$1 to $5 Filter (4)
$1 to $5 (4)
$5 to $10 Filter (197)
$5 to $10 (197)
$10 to $15 Filter (90)
$10 to $15 (90)
$15 to $20 Filter (25)
$15 to $20 (25)
$20 to $25 Filter (25)
$20 to $25 (25)
$25 to $30 Filter (18)
$25 to $30 (18)
$30 to $35 Filter (17)
$30 to $35 (17)
$35 to $40 Filter (10)
$35 to $40 (10)
$40 to $45 Filter (10)
$40 to $45 (10)
$45 to $50 Filter (9)
$45 to $50 (9)
See More
Home
Plumbing Supplies
Water Heater Parts
Tankless Replacement Parts
Takagi Tankless Water Heater Parts
Takagi Tankless Water Heater Parts
Need a little help?
View our Resources
540 items
FILTER
Grid
List
Sort: Top Sellers
100074373 Compare Checkbox
Compare
Kit, Wire, Flame Rod, 100074373
SKU:
100074373
AO Smith
SKU:
100074373
Brand:
AO Smith
–
+
$6.30
each
ADD TO CART
Add to List
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Add to List
100074389 Compare Checkbox
Compare
Kit, Fastener, 100074389
SKU:
100074389
AO Smith
SKU:
100074389
Brand:
AO Smith
–
+
$6.65
each
ADD TO CART
Add to List
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Add to List
100074408 Compare Checkbox
Compare
Kit, Pipe, Heater, 100074408
SKU:
100074408
AO Smith
SKU:
100074408
Brand:
AO Smith
–
+
$10.43
each
ADD TO CART
Add to List
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Add to List
100074633 Compare Checkbox
Compare
Kit, Wire, Switch, 100074633
SKU:
100074633
AO Smith
SKU:
100074633
Brand:
AO Smith
–
+
$15.27
each
ADD TO CART
Add to List
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Add to List
100074660 Compare Checkbox
Compare
Kit, Controller, Temp, Indoor, 100074660
SKU:
100074660
AO Smith
SKU:
100074660
Brand:
AO Smith
–
+
$125.61
each
ADD TO CART
Add to List
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Add to List
100074686 Compare Checkbox
Compare
Kit, Heater, Flat, 100074686
SKU:
100074686
AO Smith
SKU:
100074686
Brand:
AO Smith
–
+
$12.32
each
ADD TO CART
Add to List
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Add to List
100074700 Compare Checkbox
Compare
Indoor Secondary Heat Exchanger, Direct Vent, 100074700
SKU:
100074700
Takagi
SKU:
100074700
Brand:
Takagi
–
+
$588.46
each
ADD TO CART
Add to List
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Add to List
100076394 Compare Checkbox
Compare
Kit, Absorber, Surge, B, 100076394
SKU:
100076394
AO Smith
SKU:
100076394
Brand:
AO Smith
–
+
$6.16
each
ADD TO CART
Add to List
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Add to List
100076520 Compare Checkbox
Compare
T-K1S Fan, 100076520
SKU:
100076520
Takagi
SKU:
100076520
Brand:
Takagi
(1)
–
+
$199.38
each
ADD TO CART
Add to List
In Stock
Get 2 by
Mon, Jun 22
Total Available: 5
In Stock
Get 2 by
Mon, Jun 22
Total Available: 5
Add to List
100076535 Compare Checkbox
Compare
Kit, Window, Rod, 100076535
SKU:
100076535
AO Smith
SKU:
100076535
Brand:
AO Smith
–
+
$5.82
each
ADD TO CART
Add to List
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Add to List
100076542 Compare Checkbox
Compare
Kit, Thermistor, Outlet, 100076542
SKU:
100076542
AO Smith
SKU:
100076542
Brand:
AO Smith
–
+
$11.24
each
ADD TO CART
Add to List
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Add to List
100074215 Compare Checkbox
Compare
Kit, Burner Assembly, 100074215
SKU:
100074215
AO Smith
SKU:
100074215
Brand:
AO Smith
(1)
–
+
$134.61
each
ADD TO CART
Add to List
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Add to List
100074233 Compare Checkbox
Compare
Kit, Clamp, Wire, 60, 100074233
SKU:
100074233
AO Smith
SKU:
100074233
Brand:
AO Smith
–
+
$6.65
each
ADD TO CART
Add to List
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Add to List
100074266 Compare Checkbox
Compare
Mixing Thermistor, 100074266
SKU:
100074266
Takagi
SKU:
100074266
Brand:
Takagi
–
+
$15.11
each
ADD TO CART
Add to List
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Add to List
100074350 Compare Checkbox
Compare
Heat Exchanger Assembly (T-KJr2-OS), 100074350
SKU:
100074350
Takagi
SKU:
100074350
Brand:
Takagi
–
+
$256.29
each
ADD TO CART
Add to List
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Add to List
100074378 Compare Checkbox
Compare
Kit, Outlet, Water, 100074378
SKU:
100074378
AO Smith
SKU:
100074378
Brand:
AO Smith
–
+
$37.81
each
ADD TO CART
Add to List
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Add to List
100074407 Compare Checkbox
Compare
Kit, Heater, 100074407
SKU:
100074407
AO Smith
SKU:
100074407
Brand:
AO Smith
–
+
$6.99
each
ADD TO CART
Add to List
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Add to List
100074431 Compare Checkbox
Compare
Communication Cable for T-M50, 100074431
SKU:
100074431
Takagi
SKU:
100074431
Brand:
Takagi
–
+
$9.42
each
ADD TO CART
Add to List
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Add to List
100074457 Compare Checkbox
Compare
Kit, Pipe, Hot, Left, 100074457
SKU:
100074457
AO Smith
SKU:
100074457
Brand:
AO Smith
–
+
$56.93
each
ADD TO CART
Add to List
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Add to List
100074502 Compare Checkbox
Compare
Kit, Joint, L, 100074502
SKU:
100074502
AO Smith
SKU:
100074502
Brand:
AO Smith
–
+
$13.18
each
ADD TO CART
Add to List
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Add to List
100074698 Compare Checkbox
Compare
Heat Exchanger, 240/340, 100074698
SKU:
100074698
Takagi
SKU:
100074698
Brand:
Takagi
–
+
$472.37
each
ADD TO CART
Add to List
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Add to List
100076080 Compare Checkbox
Compare
Kit, Thermistor, Outlet, 100076080
SKU:
100076080
AO Smith
SKU:
100076080
Brand:
AO Smith
–
+
$31.82
each
ADD TO CART
Add to List
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Add to List
100076202 Compare Checkbox
Compare
Kit, Gasket, Rod, 100076202
SKU:
100076202
AO Smith
SKU:
100076202
Brand:
AO Smith
–
+
$5.82
each
ADD TO CART
Add to List
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Add to List
100076235 Compare Checkbox
Compare
Kit, Burner Assembly, 100076235
SKU:
100076235
AO Smith
SKU:
100076235
Brand:
AO Smith
–
+
$143.35
each
ADD TO CART
Add to List
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Add to List
100076444 Compare Checkbox
Compare
Kit, Screw, M4 X 8, Coated, 100076444
SKU:
100076444
AO Smith
SKU:
100076444
Brand:
AO Smith
–
+
$13.16
each
ADD TO CART
Add to List
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Add to List
100076523 Compare Checkbox
Compare
Kit, Inlet, Water, 100076523
SKU:
100076523
AO Smith
SKU:
100076523
Brand:
AO Smith
–
+
$16.24
each
ADD TO CART
Add to List
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Add to List
100074210 Compare Checkbox
Compare
Kit, Screw, M4 X 12, W/ Washer, 100074210
SKU:
100074210
AO Smith
SKU:
100074210
Brand:
AO Smith
(1)
–
+
$6.67
each
ADD TO CART
Add to List
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Add to List
100074357 Compare Checkbox
Compare
Front Cover for T-KJr2-OS, 100074357
SKU:
100074357
Takagi
SKU:
100074357
Brand:
Takagi
–
+
$77.09
each
ADD TO CART
Add to List
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Add to List
100074500 Compare Checkbox
Compare
Kit, Pipe, Hot, 710, Asme, 100074500
SKU:
100074500
AO Smith
SKU:
100074500
Brand:
AO Smith
–
+
$30.72
each
ADD TO CART
Add to List
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Add to List
100074621 Compare Checkbox
Compare
Kit, Heat Exc Assembly, 110u & 310u, Outdoor, 100074621
SKU:
100074621
AO Smith
SKU:
100074621
Brand:
AO Smith
–
+
$384.57
each
ADD TO CART
Add to List
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Add to List
100074644 Compare Checkbox
Compare
Kit, Plate, Remote Fixing, 510u, 100074644
SKU:
100074644
AO Smith
SKU:
100074644
Brand:
AO Smith
–
+
$6.65
each
ADD TO CART
Add to List
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Add to List
100074667 Compare Checkbox
Compare
Intake Air Port Assembly, 100074667
SKU:
100074667
Takagi
SKU:
100074667
Brand:
Takagi
–
+
$80.96
each
ADD TO CART
Add to List
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Add to List
100074675 Compare Checkbox
Compare
Kit, Damper, Burner, Nat, 100074675
SKU:
100074675
AO Smith
SKU:
100074675
Brand:
AO Smith
–
+
$19.31
each
ADD TO CART
Add to List
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Add to List
100076149 Compare Checkbox
Compare
Kit, Fuse, Overheat Cutoff, 100076149
SKU:
100076149
AO Smith
SKU:
100076149
Brand:
AO Smith
–
+
$46.65
each
ADD TO CART
Add to List
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Add to List
100076261 Compare Checkbox
Compare
Kit, Manifold Assembly With Gas Valve, Lp, 100076261
SKU:
100076261
AO Smith
SKU:
100076261
Brand:
AO Smith
–
+
$220.39
each
ADD TO CART
Add to List
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Add to List
100314459 Compare Checkbox
Compare
SCM Cartridge Assembly Kit, Tankless (NG), 100314459
SKU:
100314459
Takagi
SKU:
100314459
Brand:
Takagi
–
+
$203.89
each
ADD TO CART
Add to List
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Add to List
100224104 Compare Checkbox
Compare
Gas Inlet, 100224104
SKU:
100224104
AO Smith
SKU:
100224104
Brand:
AO Smith
–
+
$20.41
each
ADD TO CART
Add to List
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Add to List
100076312 Compare Checkbox
Compare
Kit, Wire, Igniter Relay, 100076312
SKU:
100076312
AO Smith
SKU:
100076312
Brand:
AO Smith
–
+
$11.52
each
ADD TO CART
Add to List
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Add to List
100076314 Compare Checkbox
Compare
Kit, Burner Assembly, 100076314
SKU:
100076314
AO Smith
SKU:
100076314
Brand:
AO Smith
–
+
$143.62
each
ADD TO CART
Add to List
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Add to List
100076393 Compare Checkbox
Compare
Kit, Absorber, Surge, A, 100076393
SKU:
100076393
AO Smith
SKU:
100076393
Brand:
AO Smith
–
+
$13.16
each
ADD TO CART
Add to List
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Add to List
100076518 Compare Checkbox
Compare
Kit, Cord, Thermistor, 100076518
SKU:
100076518
AO Smith
SKU:
100076518
Brand:
AO Smith
–
+
$5.82
each
ADD TO CART
Add to List
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Add to List
100076519 Compare Checkbox
Compare
Kit, Code, Igniter, 100076519
SKU:
100076519
AO Smith
SKU:
100076519
Brand:
AO Smith
–
+
$14.85
each
ADD TO CART
Add to List
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Add to List
100076551 Compare Checkbox
Compare
Kit, O-ring, P25, Fkm, 100076551
SKU:
100076551
AO Smith
SKU:
100076551
Brand:
AO Smith
–
+
$5.82
each
ADD TO CART
Add to List
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Add to List
100074311 Compare Checkbox
Compare
Kit, Pcb, 100074311
SKU:
100074311
AO Smith
SKU:
100074311
Brand:
AO Smith
–
+
$383.19
each
ADD TO CART
Add to List
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Add to List
100074341 Compare Checkbox
Compare
Heat Exchanger Assembly (T-K4-OS), 100074341
SKU:
100074341
Takagi
SKU:
100074341
Brand:
Takagi
–
+
$302.87
each
ADD TO CART
Add to List
In Stock
Get 1 by
Mon, Jun 22
Total Available: 2
In Stock
Get 1 by
Mon, Jun 22
Total Available: 2
Add to List
100074366 Compare Checkbox
Compare
EKH09 Transformer, 100074366
SKU:
100074366
AO Smith
SKU:
100074366
Brand:
AO Smith
–
+
$85.45
each
ADD TO CART
Add to List
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Add to List
100074406 Compare Checkbox
Compare
Kit, Wire, Ac 120v, 100074406
SKU:
100074406
AO Smith
SKU:
100074406
Brand:
AO Smith
–
+
$5.82
each
ADD TO CART
Add to List
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Add to List
100074438 Compare Checkbox
Compare
Kit, Pipe, Cold, Left, 100074438
SKU:
100074438
AO Smith
SKU:
100074438
Brand:
AO Smith
–
+
$41.31
each
ADD TO CART
Add to List
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Backorder
Get it by
Mon, Jul 20 - Mon, Aug 17
Add to List
1
...
3
4
5
...
12
Resources
FAQs, Manuals & Videos
Videos
Venting for Boilers & Water Heaters
How to Connect PEX to a Water Heater
Close Resources
Refresh
×
Video