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
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
E2308000 Compare Checkbox
Compare
Harness, Control Panel, #3, E2308000
SKU:
E2308000
Laars
SKU:
E2308000
Brand:
Laars
–
+
$59.62
each
ADD TO CART
Add to List
In Stock
Get 1 by
Wed, Jun 17
In Stock
Get 1 by
Wed, Jun 17
Add to List
RE2076500 Compare Checkbox
Compare
Low Water Cut-out, RE2076500
SKU:
RE2076500
Laars
SKU:
RE2076500
Brand:
Laars
–
+
$557.19
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
2400-572 Compare Checkbox
Compare
Gasket DWH Heat Exchanger for Endurance EBP Series, 2400-572
SKU:
2400-572
Laars
SKU:
2400-572
Brand:
Laars
–
+
$65.53
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
S2014100 Compare Checkbox
Compare
Grommet, Sealing, Pipe, 3/4” Dia., S2014100
SKU:
S2014100
Laars
SKU:
S2014100
Brand:
Laars
–
+
$2.71
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
RS2107500 Compare Checkbox
Compare
Blower Gasket W/fasteners, RS2107500
SKU:
RS2107500
Laars
SKU:
RS2107500
Brand:
Laars
–
+
$70.83
each
ADD TO CART
Add to List
In Stock
Get 2 by
Thu, Jun 18
Total Available: 4
In Stock
Get 2 by
Thu, Jun 18
Total Available: 4
Add to List
T2016900 Compare Checkbox
Compare
Front Center Tile, T2016900
SKU:
T2016900
Laars
SKU:
T2016900
Brand:
Laars
–
+
$91.41
each
ADD TO CART
Add to List
In Stock
Get 1 by
Wed, Jun 17
In Stock
Get 1 by
Wed, Jun 17
Add to List
2400-112 Compare Checkbox
Compare
Pressure Relief Valve (30 PSI), 2400-112
SKU:
2400-112
Laars
SKU:
2400-112
Brand:
Laars
–
+
$105.18
each
ADD TO CART
Add to List
In Stock
Get 6 by
Wed, Jun 17
In Stock
Get 6 by
Wed, Jun 17
Add to List
FT3119 Compare Checkbox
Compare
3/4" Brass Plug for FT Series Combination Boiler, FT3119
SKU:
FT3119
Laars
SKU:
FT3119
Brand:
Laars
–
+
$36.40
each
ADD TO CART
Add to List
Out of Stock
Get it by
Tue, Jun 30 - Wed, Jul 8
Out of Stock
Get it by
Tue, Jun 30 - Wed, Jul 8
Add to List
W0043300 Compare Checkbox
Compare
Flame Sensor, W0043300
SKU:
W0043300
Laars
SKU:
W0043300
Brand:
Laars
–
+
$22.26
each
ADD TO CART
Add to List
Out of Stock
Get it by
Tue, Jun 30 - Wed, Jul 8
Out of Stock
Get it by
Tue, Jun 30 - Wed, Jul 8
Add to List
V0004200 Compare Checkbox
Compare
1" Manual Natural Gas Valve, V0004200
SKU:
V0004200
Laars
SKU:
V0004200
Brand:
Laars
–
+
$124.15
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
R0095900 Compare Checkbox
Compare
24V 1-Stage Gas Valve, R0095900
SKU:
R0095900
Laars
SKU:
R0095900
Brand:
Laars
–
+
$218.90
each
ADD TO CART
Add to List
In Stock
Get 1 by
Tue, Jun 16
Total Available: 3
In Stock
Get 1 by
Tue, Jun 16
Total Available: 3
Add to List
R2014500 Compare Checkbox
Compare
Gasket Tape, R2014500
SKU:
R2014500
Laars
SKU:
R2014500
Brand:
Laars
–
+
$128.46
each
ADD TO CART
Add to List
In Stock
Get 2 by
Wed, Jun 17
Total Available: 3
In Stock
Get 2 by
Wed, Jun 17
Total Available: 3
Add to List
E2217800 Compare Checkbox
Compare
High Limit, Manual Reset, E2217800
SKU:
E2217800
Laars
SKU:
E2217800
Brand:
Laars
–
+
$360.61
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
FT1314 Compare Checkbox
Compare
Burner, FT1314
SKU:
FT1314
Laars
SKU:
FT1314
Brand:
Laars
–
+
$111.47
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
E0098300 Compare Checkbox
Compare
24V SPST Switching Relay, E0098300
SKU:
E0098300
Laars
SKU:
E0098300
Brand:
Laars
–
+
$52.94
each
ADD TO CART
Add to List
In Stock
Get 1 by
Tue, Jun 16
Total Available: 16
In Stock
Get 1 by
Tue, Jun 16
Total Available: 16
Add to List
FT3007 Compare Checkbox
Compare
Neutralizer and Pump Kit, FT3007
SKU:
FT3007
Laars
SKU:
FT3007
Brand:
Laars
–
+
$341.47
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
R11020103 Compare Checkbox
Compare
15 Draft Diverter, R11020103
SKU:
R11020103
Laars
SKU:
R11020103
Brand:
Laars
–
+
$214.51
each
ADD TO CART
Add to List
In Stock
Get 1 by
Wed, Jun 17
In Stock
Get 1 by
Wed, Jun 17
Add to List
R10449513 Compare Checkbox
Compare
High Tension Lead 15" XH, R10449513
SKU:
R10449513
Laars
SKU:
R10449513
Brand:
Laars
–
+
$8.79
each
ADD TO CART
Add to List
Out of Stock
Get it by
Tue, Jun 30 - Wed, Jul 8
Out of Stock
Get it by
Tue, Jun 30 - Wed, Jul 8
Add to List
FT1321 Compare Checkbox
Compare
Air Vent For Mascot FT, FT1321
SKU:
FT1321
Laars
SKU:
FT1321
Brand:
Laars
–
+
$121.55
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
R2005600 Compare Checkbox
Compare
Diagnostic Lights, R2005600
SKU:
R2005600
Laars
SKU:
R2005600
Brand:
Laars
–
+
$130.36
each
ADD TO CART
Add to List
In Stock
Get 1 by
Tue, Jun 16
Total Available: 2
In Stock
Get 1 by
Tue, Jun 16
Total Available: 2
Add to List
S2129000 Compare Checkbox
Compare
Gasket (Burner Flange), S2129000
SKU:
S2129000
Laars
SKU:
S2129000
Brand:
Laars
–
+
$83.59
each
ADD TO CART
Add to List
Out of Stock
Get it by
Tue, Jun 30 - Wed, Jul 8
Out of Stock
Get it by
Tue, Jun 30 - Wed, Jul 8
Add to List
E2404300 Compare Checkbox
Compare
Spark Ignition Cable Assembly, E2404300
SKU:
E2404300
Laars
SKU:
E2404300
Brand:
Laars
–
+
$77.49
each
ADD TO CART
Add to List
Out of Stock
Get it by
Tue, Jun 30 - Wed, Jul 8
Out of Stock
Get it by
Tue, Jun 30 - Wed, Jul 8
Add to List
R0096000 Compare Checkbox
Compare
Natural Gas Pilot Burner Assembly, R0096000
SKU:
R0096000
Laars
SKU:
R0096000
Brand:
Laars
–
+
$173.88
each
ADD TO CART
Add to List
In Stock
Get 1 by
Tue, Jun 16
Total Available: 2
In Stock
Get 1 by
Tue, Jun 16
Total Available: 2
Add to List
15C5400 Compare Checkbox
Compare
Damper, Duct Assembly, Blower, 15C5400
SKU:
15C5400
Laars
SKU:
15C5400
Brand:
Laars
–
+
$232.29
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
2400-538 Compare Checkbox
Compare
Anti-Condensing Valve, 2400-538
SKU:
2400-538
Laars
SKU:
2400-538
Brand:
Laars
(1)
–
+
$462.94
each
ADD TO CART
Add to List
In Stock
Get 2 by
Tue, Jun 16
In Stock
Get 2 by
Tue, Jun 16
Add to List
RV2017903 Compare Checkbox
Compare
Gas Valve/Venturi, RV2017903
SKU:
RV2017903
Laars
SKU:
RV2017903
Brand:
Laars
–
+
$362.78
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
FT1774 Compare Checkbox
Compare
AGM O-ring, FT1774
SKU:
FT1774
Laars
SKU:
FT1774
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
2400-056 Compare Checkbox
Compare
Operating Control, 2400-056
SKU:
2400-056
Laars
SKU:
2400-056
Brand:
Laars
–
+
$78.00
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
FT1501 Compare Checkbox
Compare
Outdoor Temp. Sensor, FT1501
SKU:
FT1501
Laars
SKU:
FT1501
Brand:
Laars
–
+
$100.36
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
FT3118 Compare Checkbox
Compare
Brass Adaptor for FT Series Combination Boiler, FT3118
SKU:
FT3118
Laars
SKU:
FT3118
Brand:
Laars
–
+
$72.75
each
ADD TO CART
Add to List
Out of Stock
Get it by
Tue, Jun 30 - Wed, Jul 8
Out of Stock
Get it by
Tue, Jun 30 - Wed, Jul 8
Add to List
FT1325 Compare Checkbox
Compare
Low Level Sensor, FT1325
SKU:
FT1325
Laars
SKU:
FT1325
Brand:
Laars
–
+
$33.26
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
R0491300 Compare Checkbox
Compare
Ignition Module Replacement, R0491300
SKU:
R0491300
Laars
SKU:
R0491300
Brand:
Laars
–
+
$237.95
each
ADD TO CART
Add to List
In Stock
Get 1 by
Tue, Jun 16
Total Available: 5
In Stock
Get 1 by
Tue, Jun 16
Total Available: 5
Add to List
FT1669 Compare Checkbox
Compare
Flame Detector Sensor Bk, FT1669
SKU:
FT1669
Laars
SKU:
FT1669
Brand:
Laars
–
+
$27.43
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
RS2112801 Compare Checkbox
Compare
Burner Door W/ Gasket, RS2112801
SKU:
RS2112801
Laars
SKU:
RS2112801
Brand:
Laars
–
+
$229.57
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
RXD7203 Compare Checkbox
Compare
Control Module, RXD7203
SKU:
RXD7203
Laars
SKU:
RXD7203
Brand:
Laars
–
+
$597.71
each
ADD TO CART
Add to List
Out of Stock
Get it by
Tue, Jun 30 - Wed, Jul 8
Out of Stock
Get it by
Tue, Jun 30 - Wed, Jul 8
Add to List
E2362200 Compare Checkbox
Compare
Air/gas SPNC Pressure Switch, E2362200
SKU:
E2362200
Laars
SKU:
E2362200
Brand:
Laars
–
+
$31.10
each
ADD TO CART
Add to List
In Stock
Get 1 by
Thu, Jun 18
In Stock
Get 1 by
Thu, Jun 18
Add to List
R50D4020 Compare Checkbox
Compare
Condensate Trap Assembly, R50D4020
SKU:
R50D4020
Laars
SKU:
R50D4020
Brand:
Laars
–
+
$300.21
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
E2328000 Compare Checkbox
Compare
Relay 120v DPDT, E2328000
SKU:
E2328000
Laars
SKU:
E2328000
Brand:
Laars
–
+
$35.56
each
ADD TO CART
Add to List
In Stock
Get 1 by
Wed, Jun 17
In Stock
Get 1 by
Wed, Jun 17
Add to List
R2004900 Compare Checkbox
Compare
Blower Assembly (208-240v), R2004900
SKU:
R2004900
Laars
SKU:
R2004900
Brand:
Laars
–
+
$3,500.65
each
ADD TO CART
Add to List
In Stock
Get 1 by
Tue, Jun 16
Total Available: 5
In Stock
Get 1 by
Tue, Jun 16
Total Available: 5
Add to List
R0050800 Compare Checkbox
Compare
Header Gaskets (18), R0050800
SKU:
R0050800
Laars
SKU:
R0050800
Brand:
Laars
–
+
$88.33
each
ADD TO CART
Add to List
In Stock
Get 1 by
Tue, Jun 16
Total Available: 5
In Stock
Get 1 by
Tue, Jun 16
Total Available: 5
Add to List
E2337400 Compare Checkbox
Compare
Water Flow Switch, E2337400
SKU:
E2337400
Laars
SKU:
E2337400
Brand:
Laars
–
+
$161.70
each
ADD TO CART
Add to List
Out of Stock
Get it by
Tue, Jun 30 - Wed, Jul 8
Out of Stock
Get it by
Tue, Jun 30 - Wed, Jul 8
Add to List
R0012200 Compare Checkbox
Compare
Fusible Link Replacement, R0012200
SKU:
R0012200
Laars
SKU:
R0012200
Brand:
Laars
–
+
$45.86
each
ADD TO CART
Add to List
In Stock
Get 81 by
Wed, Jun 17
In Stock
Get 81 by
Wed, Jun 17
Add to List
E2106900 Compare Checkbox
Compare
2 Stage Temperature Control, E2106900
SKU:
E2106900
Laars
SKU:
E2106900
Brand:
Laars
–
+
$757.24
each
ADD TO CART
Add to List
In Stock
Get 2 by
Wed, Jun 17
In Stock
Get 2 by
Wed, Jun 17
Add to List
S0076400 Compare Checkbox
Compare
1-1/2" Cast Iron Flange, S0076400
SKU:
S0076400
Laars
SKU:
S0076400
Brand:
Laars
–
+
$38.07
each
ADD TO CART
Add to List
In Stock
Get 1 by
Wed, Jun 17
In Stock
Get 1 by
Wed, Jun 17
Add to List
R0021901 Compare Checkbox
Compare
Low Water Cut Out, R0021901
SKU:
R0021901
Laars
SKU:
R0021901
Brand:
Laars
–
+
$626.40
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
2400-556 Compare Checkbox
Compare
Flow Sensor, 2400-556
SKU:
2400-556
Laars
SKU:
2400-556
Brand:
Laars
–
+
$164.01
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
CA020016 Compare Checkbox
Compare
NG Conversion Kit for JX125 (8,001-10,000 FT), CA020016
SKU:
CA020016
Laars
SKU:
CA020016
Brand:
Laars
–
+
$52.28
each
ADD TO CART
Add to List
In Stock
Get 1 by
Tue, Jun 16
Total Available: 3
In Stock
Get 1 by
Tue, Jun 16
Total Available: 3
Add to List
R10956000 Compare Checkbox
Compare
Assembly, Sight Glass, R10956000
SKU:
R10956000
Laars
SKU:
R10956000
Brand:
Laars
–
+
$59.06
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
...
5
6
7
...
53
Refresh
×
Video