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
2,504 items
Reset
SORT
Top Sellers
Default
Price ▲
Price ▼
Product Availability
–
Show In Stock Only</strong> Filter (365)
Show
In Stock Only
(365)
Product Type
–
Adapter Filter (2)
Adapter (2)
Air Box Panel Filter (2)
Air Box Panel (2)
Aquastat Filter (8)
Aquastat (8)
Assembly Filter (7)
Assembly (7)
Blower Filter (8)
Blower (8)
Blower Assembly Filter (3)
Blower Assembly (3)
Blower Kit Filter (1)
Blower Kit (1)
Board Filter (1)
Board (1)
Bracket Filter (2)
Bracket (2)
Burner Filter (11)
Burner (11)
See More
Review Score
–
5 Filter (49)
(49)
4 Filter (2)
(2)
3 Filter (3)
(3)
2 Filter (1)
(1)
1 Filter (3)
(3)
Price Range
–
Under $1 Filter (2)
Under $1 (2)
$1 to $5 Filter (58)
$1 to $5 (58)
$5 to $10 Filter (63)
$5 to $10 (63)
$10 to $15 Filter (49)
$10 to $15 (49)
$15 to $20 Filter (68)
$15 to $20 (68)
$20 to $25 Filter (56)
$20 to $25 (56)
$25 to $30 Filter (53)
$25 to $30 (53)
$30 to $35 Filter (87)
$30 to $35 (87)
$35 to $40 Filter (75)
$35 to $40 (75)
$40 to $45 Filter (76)
$40 to $45 (76)
See More
Home
Heating Supplies & Parts
Boiler Parts
Laars Boiler Parts
Laars Boiler Parts
FIND PARTS FOR YOUR UNIT
2504 items
FILTER
Grid
List
Sort: Top Sellers
10535706 Compare Checkbox
Compare
Top Panel Assembly, 10535706
SKU:
10535706
Laars
SKU:
10535706
Brand:
Laars
–
+
$757.99
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 15 - Wed, Aug 12
Backorder
Get it by
Wed, Jul 15 - Wed, Aug 12
Add to List
T2005902 Compare Checkbox
Compare
Refractory Tile Front & Rear, T2005902
SKU:
T2005902
Laars
SKU:
T2005902
Brand:
Laars
–
+
$160.31
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 15 - Wed, Aug 12
Backorder
Get it by
Wed, Jul 15 - Wed, Aug 12
Add to List
20034802 Compare Checkbox
Compare
JV75 Draft Diverter Assembly, 20034802
SKU:
20034802
Laars
SKU:
20034802
Brand:
Laars
–
+
$278.59
each
ADD TO CART
Add to List
In Stock
Get 1 by
Tue, Jun 16
In Stock
Get 1 by
Tue, Jun 16
Add to List
R2000301 Compare Checkbox
Compare
NG to LP Conversion Kit, 0-5000 ft., R2000301
SKU:
R2000301
Laars
SKU:
R2000301
Brand:
Laars
–
+
$242.27
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 15 - Wed, Aug 12
Backorder
Get it by
Wed, Jul 15 - Wed, Aug 12
Add to List
R10D5013 Compare Checkbox
Compare
Duct/venturi Transition, R10D5013
SKU:
R10D5013
Laars
SKU:
R10D5013
Brand:
Laars
–
+
$57.39
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 15 - Wed, Aug 12
Backorder
Get it by
Wed, Jul 15 - Wed, Aug 12
Add to List
P2090500 Compare Checkbox
Compare
Nipple, 3/8"x3", P2090500
SKU:
P2090500
Laars
SKU:
P2090500
Brand:
Laars
–
+
$7.37
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 15 - Wed, Aug 12
Backorder
Get it by
Wed, Jul 15 - Wed, Aug 12
Add to List
10C3220 Compare Checkbox
Compare
Panel, Jacket, Rear, 10C3220
SKU:
10C3220
Laars
SKU:
10C3220
Brand:
Laars
–
+
$267.75
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 15 - Wed, Aug 12
Backorder
Get it by
Wed, Jul 15 - Wed, Aug 12
Add to List
FT1057 Compare Checkbox
Compare
Bracket(down), FT1057
SKU:
FT1057
Laars
SKU:
FT1057
Brand:
Laars
–
+
$27.40
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 15 - Wed, Aug 12
Backorder
Get it by
Wed, Jul 15 - Wed, Aug 12
Add to List
FT1025 Compare Checkbox
Compare
Pressure Gauge Replacement, FT1025
SKU:
FT1025
Laars
SKU:
FT1025
Brand:
Laars
–
+
$94.35
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 15 - Wed, Aug 12
Backorder
Get it by
Wed, Jul 15 - Wed, Aug 12
Add to List
20012104 Compare Checkbox
Compare
Tile Heat Shield Assembly, 20012104
SKU:
20012104
Laars
SKU:
20012104
Brand:
Laars
–
+
$469.75
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 15 - Wed, Aug 12
Backorder
Get it by
Wed, Jul 15 - Wed, Aug 12
Add to List
R50D7121 Compare Checkbox
Compare
Front Bezel, R50D7121
SKU:
R50D7121
Laars
SKU:
R50D7121
Brand:
Laars
–
+
$338.94
each
ADD TO CART
Add to List
In Stock
Get 1 by
Tue, Jun 16
In Stock
Get 1 by
Tue, Jun 16
Add to List
P0030500 Compare Checkbox
Compare
Replacement Union For Magnatherm 1600, P0030500
SKU:
P0030500
Laars
SKU:
P0030500
Brand:
Laars
–
+
$34.70
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 15 - Wed, Aug 12
Backorder
Get it by
Wed, Jul 15 - Wed, Aug 12
Add to List
10661807 Compare Checkbox
Compare
Rear Panel, Flue Collector Ext., 10661807
SKU:
10661807
Laars
SKU:
10661807
Brand:
Laars
–
+
$35.05
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 15 - Wed, Aug 12
Backorder
Get it by
Wed, Jul 15 - Wed, Aug 12
Add to List
ST1051 Compare Checkbox
Compare
ST HX Temp Sensor (OP), ST1051
SKU:
ST1051
Laars
SKU:
ST1051
Brand:
Laars
–
+
$31.12
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 15 - Wed, Aug 12
Backorder
Get it by
Wed, Jul 15 - Wed, Aug 12
Add to List
R2081312 Compare Checkbox
Compare
Panel, Jacket, Front, Right, R2081312
SKU:
R2081312
Laars
SKU:
R2081312
Brand:
Laars
–
+
$425.97
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 15 - Wed, Aug 12
Backorder
Get it by
Wed, Jul 15 - Wed, Aug 12
Add to List
10531504 Compare Checkbox
Compare
Front Panel, Upper, 10531504
SKU:
10531504
Laars
SKU:
10531504
Brand:
Laars
–
+
$157.34
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 15 - Wed, Aug 12
Backorder
Get it by
Wed, Jul 15 - Wed, Aug 12
Add to List
10525301 Compare Checkbox
Compare
Burner, Anti Rotation Brkt (left), 10525301
SKU:
10525301
Laars
SKU:
10525301
Brand:
Laars
–
+
$29.25
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 15 - Wed, Aug 12
Backorder
Get it by
Wed, Jul 15 - Wed, Aug 12
Add to List
17C2008 Compare Checkbox
Compare
Cover, Chamber, Front Right, 17C2008
SKU:
17C2008
Laars
SKU:
17C2008
Brand:
Laars
–
+
$345.90
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 15 - Wed, Aug 12
Backorder
Get it by
Wed, Jul 15 - Wed, Aug 12
Add to List
20012203 Compare Checkbox
Compare
Flue Diverter Assembly (Indoor Only), 20012203
SKU:
20012203
Laars
SKU:
20012203
Brand:
Laars
–
+
$386.26
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 15 - Wed, Aug 12
Backorder
Get it by
Wed, Jul 15 - Wed, Aug 12
Add to List
S2127300 Compare Checkbox
Compare
Gasket, Burner, Above Flange, S2127300
SKU:
S2127300
Laars
SKU:
S2127300
Brand:
Laars
–
+
$10.28
each
ADD TO CART
Add to List
In Stock
Get 1 by
Fri, Jun 19
In Stock
Get 1 by
Fri, Jun 19
Add to List
20005801 Compare Checkbox
Compare
Tile Cover, 20005801
SKU:
20005801
Laars
SKU:
20005801
Brand:
Laars
–
+
$49.82
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 15 - Wed, Aug 12
Backorder
Get it by
Wed, Jul 15 - Wed, Aug 12
Add to List
RS2111500 Compare Checkbox
Compare
Heat Exchanger, Boiler Rs2105800, RS2111500
SKU:
RS2111500
Laars
SKU:
RS2111500
Brand:
Laars
–
+
$23,412.29
each
ADD TO CART
Add to List
Backorder
Get it by
Thu, Jul 16 - Mon, Aug 17
Backorder
Get it by
Thu, Jul 16 - Mon, Aug 17
Add to List
RE0066200 Compare Checkbox
Compare
Dual Aquastat M/R, RE0066200
SKU:
RE0066200
Laars
SKU:
RE0066200
Brand:
Laars
–
+
$702.04
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 15 - Wed, Aug 12
Backorder
Get it by
Wed, Jul 15 - Wed, Aug 12
Add to List
FT1645 Compare Checkbox
Compare
1/2" Packing, FT1645
SKU:
FT1645
Laars
SKU:
FT1645
Brand:
Laars
–
+
$32.91
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 15 - Wed, Aug 12
Backorder
Get it by
Wed, Jul 15 - Wed, Aug 12
Add to List
R50D7410 Compare Checkbox
Compare
Wire Harness, R50D7410
SKU:
R50D7410
Laars
SKU:
R50D7410
Brand:
Laars
–
+
$445.11
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 15 - Wed, Aug 12
Backorder
Get it by
Wed, Jul 15 - Wed, Aug 12
Add to List
P0001400 Compare Checkbox
Compare
Bushing, 2"x1-1/2", P0001400
SKU:
P0001400
Laars
SKU:
P0001400
Brand:
Laars
–
+
$21.53
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 15 - Wed, Aug 12
Backorder
Get it by
Wed, Jul 15 - Wed, Aug 12
Add to List
L0063403 Compare Checkbox
Compare
Manifold, Gas, 2 Stage Right Bank, L0063403
SKU:
L0063403
Laars
SKU:
L0063403
Brand:
Laars
–
+
$156.72
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 15 - Wed, Aug 12
Backorder
Get it by
Wed, Jul 15 - Wed, Aug 12
Add to List
FT1866 Compare Checkbox
Compare
Intake Orifice, Ft 100, FT1866
SKU:
FT1866
Laars
SKU:
FT1866
Brand:
Laars
–
+
$33.63
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 15 - Wed, Aug 12
Backorder
Get it by
Wed, Jul 15 - Wed, Aug 12
Add to List
10582207 Compare Checkbox
Compare
Pilot/Burner Assembly, 10582207
SKU:
10582207
Laars
SKU:
10582207
Brand:
Laars
–
+
$120.79
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 15 - Wed, Aug 12
Backorder
Get it by
Wed, Jul 15 - Wed, Aug 12
Add to List
2C3623 Compare Checkbox
Compare
Panel, Filter Side, Upper, Jacket, 2C3623
SKU:
2C3623
Laars
SKU:
2C3623
Brand:
Laars
–
+
$79.74
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 15 - Wed, Aug 12
Backorder
Get it by
Wed, Jul 15 - Wed, Aug 12
Add to List
10540405 Compare Checkbox
Compare
Middle Rear Panel/heat Shield Weldment, 10540405
SKU:
10540405
Laars
SKU:
10540405
Brand:
Laars
–
+
$409.95
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 15 - Wed, Aug 12
Backorder
Get it by
Wed, Jul 15 - Wed, Aug 12
Add to List
40N5069 Compare Checkbox
Compare
Gas/air Intake Assembly, 40N5069
SKU:
40N5069
Laars
SKU:
40N5069
Brand:
Laars
–
+
$1,404.09
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 15 - Wed, Aug 12
Backorder
Get it by
Wed, Jul 15 - Wed, Aug 12
Add to List
E2361900 Compare Checkbox
Compare
Air/gas SPNC Pressure Switch, E2361900
SKU:
E2361900
Laars
SKU:
E2361900
Brand:
Laars
–
+
$32.27
each
ADD TO CART
Add to List
In Stock
Get 1 by
Fri, Jun 19
In Stock
Get 1 by
Fri, Jun 19
Add to List
20011502 Compare Checkbox
Compare
Flue Panel Assembly F & R, 20011502
SKU:
20011502
Laars
SKU:
20011502
Brand:
Laars
–
+
$343.97
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 15 - Wed, Aug 12
Backorder
Get it by
Wed, Jul 15 - Wed, Aug 12
Add to List
30N5092 Compare Checkbox
Compare
Venturi / Air Intake Assembly, 30N5092
SKU:
30N5092
Laars
SKU:
30N5092
Brand:
Laars
–
+
$1,087.08
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 15 - Wed, Aug 12
Backorder
Get it by
Wed, Jul 15 - Wed, Aug 12
Add to List
7X1000 Compare Checkbox
Compare
Hx Support Base Assembly JX, 7X1000
SKU:
7X1000
Laars
SKU:
7X1000
Brand:
Laars
–
+
$353.02
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 15 - Wed, Aug 12
Backorder
Get it by
Wed, Jul 15 - Wed, Aug 12
Add to List
20003201 Compare Checkbox
Compare
Heat Shield Support Bracket, 20003201
SKU:
20003201
Laars
SKU:
20003201
Brand:
Laars
–
+
$98.72
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 15 - Wed, Aug 12
Backorder
Get it by
Wed, Jul 15 - Wed, Aug 12
Add to List
R2002600 Compare Checkbox
Compare
Tile Support W/rods, R2002600
SKU:
R2002600
Laars
SKU:
R2002600
Brand:
Laars
–
+
$573.78
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 15 - Wed, Aug 12
Backorder
Get it by
Wed, Jul 15 - Wed, Aug 12
Add to List
10J4050 Compare Checkbox
Compare
Pipe, Water Inlet Assembly(nth), 10J4050
SKU:
10J4050
Laars
SKU:
10J4050
Brand:
Laars
–
+
$521.59
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 15 - Wed, Aug 12
Backorder
Get it by
Wed, Jul 15 - Wed, Aug 12
Add to List
S2013000 Compare Checkbox
Compare
Gasket and Tub Heat Exchanger w/ Interface Plate, S2013000
SKU:
S2013000
Laars
SKU:
S2013000
Brand:
Laars
–
+
$4.89
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 15 - Wed, Aug 12
Backorder
Get it by
Wed, Jul 15 - Wed, Aug 12
Add to List
P0033000 Compare Checkbox
Compare
Plug, Square. Head., 1 “ NPT, P0033000
SKU:
P0033000
Laars
SKU:
P0033000
Brand:
Laars
–
+
$30.32
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 15 - Wed, Aug 12
Backorder
Get it by
Wed, Jul 15 - Wed, Aug 12
Add to List
10551201 Compare Checkbox
Compare
Burner Tray, IID, Mech. Mod., 3 & 4 Sect. Manifold (NG), 10551201
SKU:
10551201
Laars
SKU:
10551201
Brand:
Laars
–
+
$3,269.81
each
ADD TO CART
Add to List
Backorder
Get it by
Thu, Jul 16 - Mon, Aug 17
Backorder
Get it by
Thu, Jul 16 - Mon, Aug 17
Add to List
20D1005 Compare Checkbox
Compare
Brace, Front, Hx Stanchion, 20D1005
SKU:
20D1005
Laars
SKU:
20D1005
Brand:
Laars
–
+
$37.43
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 15 - Wed, Aug 12
Backorder
Get it by
Wed, Jul 15 - Wed, Aug 12
Add to List
10662003 Compare Checkbox
Compare
Middle Front Panel, 10662003
SKU:
10662003
Laars
SKU:
10662003
Brand:
Laars
–
+
$118.63
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 15 - Wed, Aug 12
Backorder
Get it by
Wed, Jul 15 - Wed, Aug 12
Add to List
RW0030000 Compare Checkbox
Compare
Pilot Solenoid Valve, RW0030000
SKU:
RW0030000
Laars
SKU:
RW0030000
Brand:
Laars
–
+
$312.70
each
ADD TO CART
Add to List
In Stock
Get 3 by
Wed, Jun 17
In Stock
Get 3 by
Wed, Jun 17
Add to List
10659904 Compare Checkbox
Compare
Lower Rear Shield Inner, 10659904
SKU:
10659904
Laars
SKU:
10659904
Brand:
Laars
–
+
$38.19
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 15 - Wed, Aug 12
Backorder
Get it by
Wed, Jul 15 - Wed, Aug 12
Add to List
RE2043500 Compare Checkbox
Compare
Fuse Kit, 5 Amp, 5 Pack (control Packs B And E), RE2043500
SKU:
RE2043500
Laars
SKU:
RE2043500
Brand:
Laars
–
+
$69.58
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 15 - Wed, Aug 12
Backorder
Get it by
Wed, Jul 15 - Wed, Aug 12
Add to List
11028403 Compare Checkbox
Compare
24 Cover, Top Front, 11028403
SKU:
11028403
Laars
SKU:
11028403
Brand:
Laars
–
+
$106.14
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 15 - Wed, Aug 12
Backorder
Get it by
Wed, Jul 15 - Wed, Aug 12
Add to List
1
...
43
44
45
...
53
Refresh
×
Video