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 (286)
Show
In Stock Only
(286)
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 (48)
$10 to $15 (48)
$15 to $20 Filter (69)
$15 to $20 (69)
$20 to $25 Filter (55)
$20 to $25 (55)
$25 to $30 Filter (53)
$25 to $30 (53)
$30 to $35 Filter (87)
$30 to $35 (87)
$35 to $40 Filter (74)
$35 to $40 (74)
$40 to $45 Filter (77)
$40 to $45 (77)
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
2400-286 Compare Checkbox
Compare
Hot Surface Ignitor w/ Gasket, 2400-286
SKU:
2400-286
Laars
SKU:
2400-286
Brand:
Laars
(11)
–
+
$69.36
each
ADD TO CART
Add to List
In Stock
Get 10 by
Tue, Jun 9
Total Available: 27
In Stock
Get 10 by
Tue, Jun 9
Total Available: 27
Add to List
RE0013000 Compare Checkbox
Compare
Indoor/Outdoor Flow Switch Kit, RE0013000
SKU:
RE0013000
Laars
SKU:
RE0013000
Brand:
Laars
(3)
–
+
$313.47
each
ADD TO CART
Add to List
In Stock
Get 10 by
Mon, Jun 8
Total Available: 76
In Stock
Get 10 by
Mon, Jun 8
Total Available: 76
Add to List
RW2002300 Compare Checkbox
Compare
Hot Surface Ignitor w/ Gasket, RW2002300
SKU:
RW2002300
Laars
SKU:
RW2002300
Brand:
Laars
(4)
–
+
$80.56
each
ADD TO CART
Add to List
In Stock
Get 33 by
Mon, Jun 8
Total Available: 147
In Stock
Get 33 by
Mon, Jun 8
Total Available: 147
Add to List
R2069300 Compare Checkbox
Compare
Ignitor w/Gasket, R2069300
SKU:
R2069300
Laars
SKU:
R2069300
Brand:
Laars
(3)
–
+
$78.50
each
ADD TO CART
Add to List
In Stock
Get 22 by
Mon, Jun 8
Total Available: 62
In Stock
Get 22 by
Mon, Jun 8
Total Available: 62
Add to List
R2069200 Compare Checkbox
Compare
Flame Sensor w/Gasket, R2069200
SKU:
R2069200
Laars
SKU:
R2069200
Brand:
Laars
–
+
$98.31
each
ADD TO CART
Add to List
In Stock
Get 24 by
Mon, Jun 8
Total Available: 61
In Stock
Get 24 by
Mon, Jun 8
Total Available: 61
Add to List
E2103200 Compare Checkbox
Compare
Roll Out Safety Switch w/ Manual Reset, E2103200
SKU:
E2103200
Laars
SKU:
E2103200
Brand:
Laars
(3)
–
+
$22.78
each
ADD TO CART
Add to List
In Stock
Get 11 by
Mon, Jun 8
Total Available: 52
In Stock
Get 11 by
Mon, Jun 8
Total Available: 52
Add to List
RE0253400 Compare Checkbox
Compare
24V Ignition Module, RE0253400
SKU:
RE0253400
Laars
SKU:
RE0253400
Brand:
Laars
–
+
$195.14
each
ADD TO CART
Add to List
In Stock
Get 9 by
Mon, Jun 8
Total Available: 43
In Stock
Get 9 by
Mon, Jun 8
Total Available: 43
Add to List
RE2344300 Compare Checkbox
Compare
PCB Temp Control Module, RE2344300
SKU:
RE2344300
Laars
SKU:
RE2344300
Brand:
Laars
(3)
–
+
$303.87
each
ADD TO CART
Add to List
In Stock
Get 9 by
Mon, Jun 8
Total Available: 22
In Stock
Get 9 by
Mon, Jun 8
Total Available: 22
Add to List
RA0079000 Compare Checkbox
Compare
Temperature & Pressure Gauge (70-250°F, 0-225 psi), RA0079000
SKU:
RA0079000
Laars
SKU:
RA0079000
Brand:
Laars
(2)
–
+
$120.77
each
ADD TO CART
Add to List
In Stock
Get 6 by
Mon, Jun 8
Total Available: 48
In Stock
Get 6 by
Mon, Jun 8
Total Available: 48
Add to List
R2080611 Compare Checkbox
Compare
MFTHW100-199, FT Series Control Board, R2080611
SKU:
R2080611
Laars
SKU:
R2080611
Brand:
Laars
(1)
–
+
$341.37
each
ADD TO CART
Add to List
In Stock
Get 6 by
Mon, Jun 8
Total Available: 25
In Stock
Get 6 by
Mon, Jun 8
Total Available: 25
Add to List
A2117900 Compare Checkbox
Compare
Gasket Replacement, A2117900
SKU:
A2117900
Laars
SKU:
A2117900
Brand:
Laars
–
+
$14.46
each
ADD TO CART
Add to List
In Stock
Get 9 by
Wed, Jun 10
Total Available: 14
In Stock
Get 9 by
Wed, Jun 10
Total Available: 14
Add to List
RE0093200 Compare Checkbox
Compare
L6008G1009 130/230F Aquastat, RE0093200
SKU:
RE0093200
Laars
SKU:
RE0093200
Brand:
Laars
(5)
–
+
$301.33
each
ADD TO CART
Add to List
In Stock
Get 10 by
Mon, Jun 8
Total Available: 38
In Stock
Get 10 by
Mon, Jun 8
Total Available: 38
Add to List
RE2347600 Compare Checkbox
Compare
JV Temperature Sensor, RE2347600
SKU:
RE2347600
Laars
SKU:
RE2347600
Brand:
Laars
(1)
–
+
$83.21
each
ADD TO CART
Add to List
In Stock
Get 2 by
Mon, Jun 8
Total Available: 10
In Stock
Get 2 by
Mon, Jun 8
Total Available: 10
Add to List
RE0240900 Compare Checkbox
Compare
SPDT Pressure Switch, 75" WC, RE0240900
SKU:
RE0240900
Laars
SKU:
RE0240900
Brand:
Laars
(2)
–
+
$76.68
each
ADD TO CART
Add to List
In Stock
Get 5 by
Wed, Jun 10
Total Available: 12
In Stock
Get 5 by
Wed, Jun 10
Total Available: 12
Add to List
L2012200 Compare Checkbox
Compare
3 Burner Assembly, L2012200
SKU:
L2012200
Laars
SKU:
L2012200
Brand:
Laars
–
+
$387.68
each
ADD TO CART
Add to List
In Stock
Get 13 by
Mon, Jun 8
Total Available: 54
In Stock
Get 13 by
Mon, Jun 8
Total Available: 54
Add to List
S0063700 Compare Checkbox
Compare
Flange Gasket Replacement, S0063700
SKU:
S0063700
Laars
SKU:
S0063700
Brand:
Laars
(1)
–
+
$15.68
each
ADD TO CART
Add to List
In Stock
Get 10 by
Mon, Jun 8
Total Available: 24
In Stock
Get 10 by
Mon, Jun 8
Total Available: 24
Add to List
S2012700 Compare Checkbox
Compare
3 Burner Tray Gasket, S2012700
SKU:
S2012700
Laars
SKU:
S2012700
Brand:
Laars
–
+
$11.69
each
ADD TO CART
Add to List
In Stock
Get 21 by
Mon, Jun 8
Total Available: 80
In Stock
Get 21 by
Mon, Jun 8
Total Available: 80
Add to List
R2060900 Compare Checkbox
Compare
Ventor Assembly (115V), R2060900
SKU:
R2060900
Laars
SKU:
R2060900
Brand:
Laars
(2)
–
+
$652.63
each
ADD TO CART
Add to List
In Stock
Get 1 by
Wed, Jun 10
Total Available: 8
In Stock
Get 1 by
Wed, Jun 10
Total Available: 8
Add to List
R0061600 Compare Checkbox
Compare
Pool Heater Pilot Burner, NG, R0061600
SKU:
R0061600
Laars
SKU:
R0061600
Brand:
Laars
(4)
–
+
$94.66
each
ADD TO CART
Add to List
In Stock
Get 13 by
Mon, Jun 8
Total Available: 26
In Stock
Get 13 by
Mon, Jun 8
Total Available: 26
Add to List
2400-526 Compare Checkbox
Compare
Wire Ignitor Flame Sensor & Gasket, 2400-526
SKU:
2400-526
Laars
SKU:
2400-526
Brand:
Laars
(4)
–
+
$198.66
each
ADD TO CART
Add to List
In Stock
Get 9 by
Mon, Jun 8
Total Available: 33
In Stock
Get 9 by
Mon, Jun 8
Total Available: 33
Add to List
L2012500 Compare Checkbox
Compare
4 Port Burner Tray, L2012500
SKU:
L2012500
Laars
SKU:
L2012500
Brand:
Laars
–
+
$482.82
each
ADD TO CART
Add to List
In Stock
Get 4 by
Mon, Jun 8
Total Available: 25
In Stock
Get 4 by
Mon, Jun 8
Total Available: 25
Add to List
S2012500 Compare Checkbox
Compare
4-Port Burner Gasket, S2012500
SKU:
S2012500
Laars
SKU:
S2012500
Brand:
Laars
–
+
$15.68
each
ADD TO CART
Add to List
In Stock
Get 16 by
Mon, Jun 8
Total Available: 84
In Stock
Get 16 by
Mon, Jun 8
Total Available: 84
Add to List
RE2058300 Compare Checkbox
Compare
1/2" NPT Male Aquastat Well, RE2058300
SKU:
RE2058300
Laars
SKU:
RE2058300
Brand:
Laars
–
+
$91.85
each
ADD TO CART
Add to List
In Stock
Get 1 by
Mon, Jun 8
Total Available: 31
In Stock
Get 1 by
Mon, Jun 8
Total Available: 31
Add to List
R2014700 Compare Checkbox
Compare
Combustion Air Filter, R2014700
SKU:
R2014700
Laars
SKU:
R2014700
Brand:
Laars
(1)
–
+
$180.72
each
ADD TO CART
Add to List
In Stock
Get 7 by
Mon, Jun 8
Total Available: 21
In Stock
Get 7 by
Mon, Jun 8
Total Available: 21
Add to List
R2069600 Compare Checkbox
Compare
JVH Blower Assembly, R2069600
SKU:
R2069600
Laars
SKU:
R2069600
Brand:
Laars
(9)
–
+
$377.93
each
ADD TO CART
Add to List
In Stock
Get 2 by
Mon, Jun 8
Total Available: 13
In Stock
Get 2 by
Mon, Jun 8
Total Available: 13
Add to List
RA2117202 Compare Checkbox
Compare
Pump & Motor, 1/2HP 115V, RA2117202
SKU:
RA2117202
Laars
SKU:
RA2117202
Brand:
Laars
(1)
–
+
$1,493.33
each
ADD TO CART
Add to List
In Stock
Get 3 by
Wed, Jun 10
Total Available: 5
In Stock
Get 3 by
Wed, Jun 10
Total Available: 5
Add to List
RA2117201 Compare Checkbox
Compare
1/3 HP Pump & Motor Assembly, RA2117201
SKU:
RA2117201
Laars
SKU:
RA2117201
Brand:
Laars
(3)
–
+
$1,550.36
each
ADD TO CART
Add to List
In Stock
Get 1 by
Wed, Jun 10
In Stock
Get 1 by
Wed, Jun 10
Add to List
RA2114200 Compare Checkbox
Compare
Combustion Blower Assembly, RA2114200
SKU:
RA2114200
Laars
SKU:
RA2114200
Brand:
Laars
(5)
–
+
$1,032.60
each
ADD TO CART
Add to List
In Stock
Get 6 by
Mon, Jun 8
Total Available: 15
In Stock
Get 6 by
Mon, Jun 8
Total Available: 15
Add to List
RE2313900 Compare Checkbox
Compare
24V Ignition Module, RE2313900
SKU:
RE2313900
Laars
SKU:
RE2313900
Brand:
Laars
–
+
$417.15
each
ADD TO CART
Add to List
In Stock
Get 1 by
Mon, Jun 8
Total Available: 16
In Stock
Get 1 by
Mon, Jun 8
Total Available: 16
Add to List
RS2109100 Compare Checkbox
Compare
Gasket Set (Neotherm), RS2109100
SKU:
RS2109100
Laars
SKU:
RS2109100
Brand:
Laars
–
+
$112.42
each
ADD TO CART
Add to List
In Stock
Get 5 by
Mon, Jun 8
Total Available: 15
In Stock
Get 5 by
Mon, Jun 8
Total Available: 15
Add to List
S0095100 Compare Checkbox
Compare
Header Gasket w/ Barriers, S0095100
SKU:
S0095100
Laars
SKU:
S0095100
Brand:
Laars
–
+
$55.09
each
ADD TO CART
Add to List
In Stock
Get 1 by
Wed, Jun 10
Total Available: 10
In Stock
Get 1 by
Wed, Jun 10
Total Available: 10
Add to List
RA2117203 Compare Checkbox
Compare
Pump & Motor Assembly, RA2117203
SKU:
RA2117203
Laars
SKU:
RA2117203
Brand:
Laars
(1)
–
+
$1,720.52
each
ADD TO CART
Add to List
Out of Stock
Get it by
Mon, Jun 22 - Mon, Jun 29
Out of Stock
Get it by
Mon, Jun 22 - Mon, Jun 29
Add to List
2400-005 Compare Checkbox
Compare
UP15-42F, Circulator Pump, 1/25 HP, 115 volt, 2400-005
SKU:
2400-005
Laars
SKU:
2400-005
Brand:
Laars
(1)
–
+
$351.71
each
ADD TO CART
Add to List
In Stock
Get 8 by
Mon, Jun 8
Total Available: 39
In Stock
Get 8 by
Mon, Jun 8
Total Available: 39
Add to List
RV2017600 Compare Checkbox
Compare
1/2" Combination Gas Valve, 24V, RV2017600
SKU:
RV2017600
Laars
SKU:
RV2017600
Brand:
Laars
–
+
$247.38
each
ADD TO CART
Add to List
In Stock
Get 2 by
Mon, Jun 8
Total Available: 13
In Stock
Get 2 by
Mon, Jun 8
Total Available: 13
Add to List
RE2319900 Compare Checkbox
Compare
Outlet Water Temperature Sensor Duplex 1/4 NPT, RE2319900
SKU:
RE2319900
Laars
SKU:
RE2319900
Brand:
Laars
–
+
$97.48
each
ADD TO CART
Add to List
In Stock
Get 1 by
Mon, Jun 8
Total Available: 5
In Stock
Get 1 by
Mon, Jun 8
Total Available: 5
Add to List
R2071400 Compare Checkbox
Compare
Flame Sensor Replacement, R2071400
SKU:
R2071400
Laars
SKU:
R2071400
Brand:
Laars
–
+
$150.15
each
ADD TO CART
Add to List
In Stock
Get 1 by
Mon, Jun 8
Total Available: 16
In Stock
Get 1 by
Mon, Jun 8
Total Available: 16
Add to List
R2071500 Compare Checkbox
Compare
Flame Sensor Ignitor w/ Gasket, R2071500
SKU:
R2071500
Laars
SKU:
R2071500
Brand:
Laars
(1)
–
+
$143.74
each
ADD TO CART
Add to List
In Stock
Get 6 by
Mon, Jun 8
Total Available: 31
In Stock
Get 6 by
Mon, Jun 8
Total Available: 31
Add to List
FT2128 Compare Checkbox
Compare
Ignition Rod Assembly, FT2128
SKU:
FT2128
Laars
SKU:
FT2128
Brand:
Laars
–
+
$43.87
each
ADD TO CART
Add to List
Backorder
Get it by
Tue, Jul 7 - Tue, Aug 4
Backorder
Get it by
Tue, Jul 7 - Tue, Aug 4
Add to List
RW0034500 Compare Checkbox
Compare
Pilot Burner w/ Spark Ignition, RW0034500
SKU:
RW0034500
Laars
SKU:
RW0034500
Brand:
Laars
–
+
$275.17
each
ADD TO CART
Add to List
In Stock
Get 4 by
Mon, Jun 8
Total Available: 22
In Stock
Get 4 by
Mon, Jun 8
Total Available: 22
Add to List
R0060600 Compare Checkbox
Compare
Temperature & Pressure Gauge (70-250°F, 0-90 psi), R0060600
SKU:
R0060600
Laars
SKU:
R0060600
Brand:
Laars
–
+
$101.40
each
ADD TO CART
Add to List
In Stock
Get 3 by
Mon, Jun 8
Total Available: 16
In Stock
Get 3 by
Mon, Jun 8
Total Available: 16
Add to List
R2014800 Compare Checkbox
Compare
Temperature Control Sensor Kit, R2014800
SKU:
R2014800
Laars
SKU:
R2014800
Brand:
Laars
(1)
–
+
$134.50
each
ADD TO CART
Add to List
In Stock
Get 1 by
Mon, Jun 8
Total Available: 18
In Stock
Get 1 by
Mon, Jun 8
Total Available: 18
Add to List
L0052500 Compare Checkbox
Compare
Main Gas Burner, L0052500
SKU:
L0052500
Laars
SKU:
L0052500
Brand:
Laars
–
+
$26.23
each
ADD TO CART
Add to List
In Stock
Get 15 by
Mon, Jun 8
Total Available: 25
In Stock
Get 15 by
Mon, Jun 8
Total Available: 25
Add to List
S2104300 Compare Checkbox
Compare
Burner Gasket, Lytherm, S2104300
SKU:
S2104300
Laars
SKU:
S2104300
Brand:
Laars
–
+
$14.35
each
ADD TO CART
Add to List
In Stock
Get 15 by
Mon, Jun 8
Total Available: 61
In Stock
Get 15 by
Mon, Jun 8
Total Available: 61
Add to List
RE2077700 Compare Checkbox
Compare
Time Delay Relay (24V, 15A), RE2077700
SKU:
RE2077700
Laars
SKU:
RE2077700
Brand:
Laars
(1)
–
+
$153.98
each
ADD TO CART
Add to List
In Stock
Get 1 by
Wed, Jun 10
Total Available: 6
In Stock
Get 1 by
Wed, Jun 10
Total Available: 6
Add to List
RE2105500 Compare Checkbox
Compare
Diagnostic Board, RE2105500
SKU:
RE2105500
Laars
SKU:
RE2105500
Brand:
Laars
–
+
$578.05
each
ADD TO CART
Add to List
In Stock
Get 3 by
Mon, Jun 8
Total Available: 11
In Stock
Get 3 by
Mon, Jun 8
Total Available: 11
Add to List
R2080610 Compare Checkbox
Compare
Control Board, R2080610
SKU:
R2080610
Laars
SKU:
R2080610
Brand:
Laars
–
+
$376.28
each
ADD TO CART
Add to List
In Stock
Get 4 by
Mon, Jun 8
Total Available: 12
In Stock
Get 4 by
Mon, Jun 8
Total Available: 12
Add to List
RE2344301 Compare Checkbox
Compare
PCB Control, RE2344301
SKU:
RE2344301
Laars
SKU:
RE2344301
Brand:
Laars
–
+
$306.84
each
ADD TO CART
Add to List
In Stock
Get 3 by
Mon, Jun 8
Total Available: 12
In Stock
Get 3 by
Mon, Jun 8
Total Available: 12
Add to List
L0063300 Compare Checkbox
Compare
Pennant Burner, L0063300
SKU:
L0063300
Laars
SKU:
L0063300
Brand:
Laars
(1)
–
+
$74.01
each
ADD TO CART
Add to List
In Stock
Get 2 by
Mon, Jun 8
Total Available: 36
In Stock
Get 2 by
Mon, Jun 8
Total Available: 36
Add to List
1
2
3
4
...
53
Refresh
×
Video