Free shipping on orders over $99
●
Your Zip:
20147
ORDER STATUS
Your Zip:
20147
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
74 items
Reset
SORT
Top Sellers
Default
Price ▲
Price ▼
Product Availability
–
Show In Stock Only</strong> Filter (5)
Show
In Stock Only
(5)
Price Range
–
$5 to $10 Filter (2)
$5 to $10 (2)
$10 to $15 Filter (1)
$10 to $15 (1)
$15 to $20 Filter (5)
$15 to $20 (5)
$20 to $25 Filter (2)
$20 to $25 (2)
$25 to $30 Filter (3)
$25 to $30 (3)
$30 to $35 Filter (1)
$30 to $35 (1)
$35 to $40 Filter (2)
$35 to $40 (2)
$40 to $45 Filter (2)
$40 to $45 (2)
$45 to $50 Filter (3)
$45 to $50 (3)
$50 to $60 Filter (1)
$50 to $60 (1)
See More
Home
Plumbing Supplies
Water Heater Parts
Tankless Replacement Parts
Bosch Tankless Water Heater Parts
Heat Exchangers & Parts
Heat Exchangers & Parts
74 items
FILTER
Grid
List
Sort: Top Sellers
Resources
Questions?
Closed Now:
Hours
Monday – Thursday
8am–7:45pm
Friday
9am–7:45pm
Saturday – Sunday
9am–5:45pm
Available
9am
Available
9am
Available
9am
Response
by Tue
or check out our
Support Center
87387044400 Compare Checkbox
Compare
Heating Element 1440W 120V, 87387044400
SKU:
87387044400
Bosch
SKU:
87387044400
Brand:
Bosch
(1)
–
+
$81.44
each
ADD TO CART
Add to List
In Stock
Get 4 by
Tue, Jun 24
Total Available: 10
In Stock
Get 4 by
Tue, Jun 24
Total Available: 10
Add to List
87002051470 Compare Checkbox
Compare
Heat Exchanger O-Ring (10 Pack), 87002051470
SKU:
87002051470
Bosch
SKU:
87002051470
Brand:
Bosch
–
+
$36.69
each
ADD TO CART
Add to List
In Stock
Get 4 by
Tue, Jun 24
Total Available: 6
In Stock
Get 4 by
Tue, Jun 24
Total Available: 6
Add to List
87047010520 Compare Checkbox
Compare
Heat Exchanger Top Gasket, 87047010520
SKU:
87047010520
Bosch
SKU:
87047010520
Brand:
Bosch
–
+
$48.17
each
ADD TO CART
Add to List
In Stock
Get 4 by
Tue, Jun 24
In Stock
Get 4 by
Tue, Jun 24
Add to List
87047010540 Compare Checkbox
Compare
Heat Exchanger Bottom Gasket, 87047010540
SKU:
87047010540
Bosch
SKU:
87047010540
Brand:
Bosch
–
+
$48.17
each
ADD TO CART
Add to List
In Stock
Get 3 by
Tue, Jun 24
In Stock
Get 3 by
Tue, Jun 24
Add to List
87387017280 Compare Checkbox
Compare
Element Assembly 2 (17kW), 87387017280
SKU:
87387017280
Bosch
SKU:
87387017280
Brand:
Bosch
–
+
$233.02
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Add to List
87072064590 Compare Checkbox
Compare
Exhaust Temperature Sensor, 87072064590
SKU:
87072064590
Bosch
SKU:
87072064590
Brand:
Bosch
–
+
$61.54
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Add to List
87387017360 Compare Checkbox
Compare
Element Assembly 2 (27kW), 87387017360
SKU:
87387017360
Bosch
SKU:
87387017360
Brand:
Bosch
–
+
$240.70
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Add to List
87387017370 Compare Checkbox
Compare
Element Assembly 1 (27kW), 87387017370
SKU:
87387017370
Bosch
SKU:
87387017370
Brand:
Bosch
–
+
$240.70
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Add to List
87055041520 Compare Checkbox
Compare
Exhaust Accessory, 87055041520
SKU:
87055041520
Bosch
SKU:
87055041520
Brand:
Bosch
–
+
$130.47
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Add to List
8738715039 Compare Checkbox
Compare
Fan, 8738715039
SKU:
8738715039
Bosch
SKU:
8738715039
Brand:
Bosch
–
+
$245.31
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Add to List
87387017300 Compare Checkbox
Compare
Element Assembly 1 (17kW), 87387017300
SKU:
87387017300
Bosch
SKU:
87387017300
Brand:
Bosch
–
+
$222.14
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Add to List
87054063840 Compare Checkbox
Compare
Heat Exchanger, 87054063840
SKU:
87054063840
Bosch
SKU:
87054063840
Brand:
Bosch
–
+
$448.34
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Add to List
87054063800 Compare Checkbox
Compare
ProTankless 425 Heat Exchanger, 87054063800
SKU:
87054063800
Bosch
SKU:
87054063800
Brand:
Bosch
–
+
$494.99
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Add to List
87055040460 Compare Checkbox
Compare
Exhaust Pipe Union 128, 87055040460
SKU:
87055040460
Bosch
SKU:
87055040460
Brand:
Bosch
–
+
$26.53
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Add to List
87054062850 Compare Checkbox
Compare
Heat Exchanger, 87054062850
SKU:
87054062850
Bosch
SKU:
87054062850
Brand:
Bosch
–
+
$628.05
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Add to List
87001036580 Compare Checkbox
Compare
Washer, 87001036580
SKU:
87001036580
Bosch
SKU:
87001036580
Brand:
Bosch
–
+
$21.15
each
ADD TO CART
Add to List
In Stock
Get 5 by
Thu, Jun 26
In Stock
Get 5 by
Thu, Jun 26
Add to List
87009283400 Compare Checkbox
Compare
Manifold L15 Dss Setas, 87009283400
SKU:
87009283400
Bosch
SKU:
87009283400
Brand:
Bosch
–
+
$84.14
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Add to List
87182213570 Compare Checkbox
Compare
Fusing Element 5 x 20 2.5A T, 87182213570
SKU:
87182213570
Bosch
SKU:
87182213570
Brand:
Bosch
–
+
$19.78
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Add to List
87054063290 Compare Checkbox
Compare
Heat Exchanger, 87054063290
SKU:
87054063290
Bosch
SKU:
87054063290
Brand:
Bosch
–
+
$407.35
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Add to List
87387210770 Compare Checkbox
Compare
Upper Electric Heater Cover (201290590163), 87387210770
SKU:
87387210770
Bosch
SKU:
87387210770
Brand:
Bosch
–
+
$19.78
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Add to List
7738002301 Compare Checkbox
Compare
Heating Element 1440W For Gls And Tis, 7738002301
SKU:
7738002301
Bosch
SKU:
7738002301
Brand:
Bosch
–
+
$42.95
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Add to List
7738001005 Compare Checkbox
Compare
Heater Assembly Two (27Kw Polymer P/S), 7738001005
SKU:
7738001005
Bosch
SKU:
7738001005
Brand:
Bosch
–
+
$258.78
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Add to List
87054063740 Compare Checkbox
Compare
Heat Exchanger, 87054063740
SKU:
87054063740
Bosch
SKU:
87054063740
Brand:
Bosch
–
+
$383.85
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Add to List
87387212700 Compare Checkbox
Compare
Heat Exchanger, 87387212700
SKU:
87387212700
Bosch
SKU:
87387212700
Brand:
Bosch
–
+
$529.69
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Add to List
87387210780 Compare Checkbox
Compare
Lower Electric Heater Cover (201290590166), 87387210780
SKU:
87387210780
Bosch
SKU:
87387210780
Brand:
Bosch
–
+
$19.78
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Add to List
19045213460 Compare Checkbox
Compare
Fusing Element T4A (103), 19045213460
SKU:
19045213460
Bosch
SKU:
19045213460
Brand:
Bosch
–
+
$25.27
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Add to List
87054061490 Compare Checkbox
Compare
Heat Exchanger, 87054061490
SKU:
87054061490
Bosch
SKU:
87054061490
Brand:
Bosch
–
+
$288.81
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Add to List
8738714980 Compare Checkbox
Compare
Connection Bush with Filter, 8738714980
SKU:
8738714980
Bosch
SKU:
8738714980
Brand:
Bosch
–
+
$101.83
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Add to List
87055041500 Compare Checkbox
Compare
Exhaust Pipe Union 128, 87055041500
SKU:
87055041500
Bosch
SKU:
87055041500
Brand:
Bosch
–
+
$32.18
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Add to List
87387008670 Compare Checkbox
Compare
Heat Exchanger 7.2/6.0Kw 240/220V, 87387008670
SKU:
87387008670
Bosch
SKU:
87387008670
Brand:
Bosch
–
+
$159.64
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Add to List
87167396120 Compare Checkbox
Compare
Heat Exchanger, 87167396120
SKU:
87167396120
Bosch
SKU:
87167396120
Brand:
Bosch
–
+
$394.21
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Add to List
87387040260 Compare Checkbox
Compare
Heat Exchanger, 87387040260
SKU:
87387040260
Bosch
SKU:
87387040260
Brand:
Bosch
–
+
$599.48
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Add to List
87009283430 Compare Checkbox
Compare
Manifold L22 Dss Setas, 87009283430
SKU:
87009283430
Bosch
SKU:
87009283430
Brand:
Bosch
–
+
$86.46
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Add to List
994050 Compare Checkbox
Compare
Element P10/P15, 994050
SKU:
994050
Bosch
SKU:
994050
Brand:
Bosch
–
+
$28.83
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Add to List
7738001002 Compare Checkbox
Compare
Heater Assembly One (17Kw Polymer P/S), 7738001002
SKU:
7738001002
Bosch
SKU:
7738001002
Brand:
Bosch
–
+
$201.71
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Add to List
87387017450 Compare Checkbox
Compare
Heater Element Assembly 3 (Left), 87387017450
SKU:
87387017450
Bosch
SKU:
87387017450
Brand:
Bosch
–
+
$248.46
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Add to List
87054063860 Compare Checkbox
Compare
Heat Exchanger, 87054063860
SKU:
87054063860
Bosch
SKU:
87054063860
Brand:
Bosch
–
+
$459.78
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Add to List
87387019850 Compare Checkbox
Compare
Heat Exchanger, 87387019850
SKU:
87387019850
Bosch
SKU:
87387019850
Brand:
Bosch
–
+
$601.14
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Add to List
8738714997 Compare Checkbox
Compare
Condensing Heat Exchanger, 8738714997
SKU:
8738714997
Bosch
SKU:
8738714997
Brand:
Bosch
–
+
$743.51
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Add to List
19045227450 Compare Checkbox
Compare
Fusing Element T3.15A (10X), 19045227450
SKU:
19045227450
Bosch
SKU:
19045227450
Brand:
Bosch
–
+
$19.78
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Add to List
8705706421 Compare Checkbox
Compare
GWH 800/1050 Heat Exchanger Fd>104, 8705706421
SKU:
8705706421
Bosch
SKU:
8705706421
Brand:
Bosch
–
+
$405.10
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Add to List
87054061890 Compare Checkbox
Compare
Heat Exchanger, 87054061890
SKU:
87054061890
Bosch
SKU:
87054061890
Brand:
Bosch
–
+
$564.97
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Add to List
87387016910 Compare Checkbox
Compare
RP12Tp/Ae12 1/2" Exchanger 12Kw 240V, 87387016910
SKU:
87387016910
Bosch
SKU:
87387016910
Brand:
Bosch
–
+
$419.35
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Add to List
87009282620 Compare Checkbox
Compare
Heater Fastener, 87009282620
SKU:
87009282620
Bosch
SKU:
87009282620
Brand:
Bosch
–
+
$9.62
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Add to List
87081041030 Compare Checkbox
Compare
Holding Bracket, 87081041030
SKU:
87081041030
Bosch
SKU:
87081041030
Brand:
Bosch
–
+
$13.93
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Add to List
7738001004 Compare Checkbox
Compare
Heater Assembly One (27Kw Polymer P/S), 7738001004
SKU:
7738001004
Bosch
SKU:
7738001004
Brand:
Bosch
–
+
$250.33
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Add to List
87055041510 Compare Checkbox
Compare
Exhaust Accessory, 87055041510
SKU:
87055041510
Bosch
SKU:
87055041510
Brand:
Bosch
–
+
$108.60
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Add to List
87009283040 Compare Checkbox
Compare
Heater Fastener, 87009283040
SKU:
87009283040
Bosch
SKU:
87009283040
Brand:
Bosch
–
+
$6.23
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Backorder
Get it by
Wed, Jul 23 - Wed, Aug 20
Add to List
1
2
Filter & Sort
74 items
Reset
SORT
Top Sellers
Default
Price ▲
Price ▼
Product Availability
–
Show In Stock Only</strong> Filter (5)
Show
In Stock Only
(5)
Price Range
–
$5 to $10 Filter (2)
$5 to $10 (2)
$10 to $15 Filter (1)
$10 to $15 (1)
$15 to $20 Filter (5)
$15 to $20 (5)
$20 to $25 Filter (2)
$20 to $25 (2)
$25 to $30 Filter (3)
$25 to $30 (3)
$30 to $35 Filter (1)
$30 to $35 (1)
$35 to $40 Filter (2)
$35 to $40 (2)
$40 to $45 Filter (2)
$40 to $45 (2)
$45 to $50 Filter (3)
$45 to $50 (3)
$50 to $60 Filter (1)
$50 to $60 (1)
See More
Clear All
CLOSE
×
Video