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
2,670 items
Reset
SORT
Top Sellers
Default
Price ▲
Price ▼
Product Availability
–
Show In Stock Only</strong> Filter (395)
Show
In Stock Only
(395)
Product Type
–
Boiler Filter (139)
Boiler (139)
Boiler Part Filter (2433)
Boiler Part (2433)
Tankless Heater Filter (4)
Tankless Heater (4)
Gas Valve Filter (1)
Gas Valve (1)
Ignitor Filter (12)
Ignitor (12)
Miscellaneous Filter (22)
Miscellaneous (22)
ABS Fitting Filter (1)
ABS Fitting (1)
Control Board Filter (1)
Control Board (1)
Control Module Filter (2)
Control Module (2)
Flame Sensor Filter (2)
Flame Sensor (2)
See More
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 (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 (74)
$35 to $40 (74)
$40 to $45 Filter (77)
$40 to $45 (77)
See More
Home
Laars
Laars
Need a little help?
View our Resources
2670 items
FILTER
Grid
List
Sort: Top Sellers
A2121801 Compare Checkbox
Compare
B&G Pump , A2121801
SKU:
A2121801
Laars
SKU:
A2121801
Brand:
Laars
–
+
$1,735.79
each
ADD TO CART
Add to List
Backorder
Get it by
Thu, Jul 9 - Mon, Aug 10
Backorder
Get it by
Thu, Jul 9 - Mon, Aug 10
Add to List
A2122400 Compare Checkbox
Compare
Blower, A2122400
SKU:
A2122400
Laars
SKU:
A2122400
Brand:
Laars
–
+
$674.03
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Add to List
A2122500 Compare Checkbox
Compare
Blower, Combustion 100-125, A2122500
SKU:
A2122500
Laars
SKU:
A2122500
Brand:
Laars
–
+
$778.14
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Add to List
40N3019 Compare Checkbox
Compare
Panel, Upper Rear, 40N3019
SKU:
40N3019
Laars
SKU:
40N3019
Brand:
Laars
–
+
$145.85
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Add to List
40N3045 Compare Checkbox
Compare
Panel, Top, 40N3045
SKU:
40N3045
Laars
SKU:
40N3045
Brand:
Laars
–
+
$487.49
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Add to List
40N3047 Compare Checkbox
Compare
Brace, Lower Right Side, 40N3047
SKU:
40N3047
Laars
SKU:
40N3047
Brand:
Laars
–
+
$123.60
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Add to List
40N3048 Compare Checkbox
Compare
Panel, Drain Access, 40N3048
SKU:
40N3048
Laars
SKU:
40N3048
Brand:
Laars
–
+
$22.81
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Add to List
40N6034 Compare Checkbox
Compare
Pipe, Gas Inlet, 40N6034
SKU:
40N6034
Laars
SKU:
40N6034
Brand:
Laars
–
+
$264.46
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Add to List
4C2001 Compare Checkbox
Compare
Panel, Top, Combustion Chamber, 4C2001
SKU:
4C2001
Laars
SKU:
4C2001
Brand:
Laars
–
+
$274.89
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Add to List
4C2006 Compare Checkbox
Compare
Panel, Rear, Combustion Chamber, 4C2006
SKU:
4C2006
Laars
SKU:
4C2006
Brand:
Laars
–
+
$188.72
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Add to List
4C2008 Compare Checkbox
Compare
Panel, Top, Air Box, 4C2008
SKU:
4C2008
Laars
SKU:
4C2008
Brand:
Laars
–
+
$73.20
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Add to List
4C2017 Compare Checkbox
Compare
Plate, Spacer, Burner/manifold, 4C2017
SKU:
4C2017
Laars
SKU:
4C2017
Brand:
Laars
–
+
$43.38
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Add to List
4C2100 Compare Checkbox
Compare
Assembly, Exhaust Vent, Vertical, 4C2100
SKU:
4C2100
Laars
SKU:
4C2100
Brand:
Laars
–
+
$113.66
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Add to List
5C2016 Compare Checkbox
Compare
Chamber, Right Side, Front, 5C2016
SKU:
5C2016
Laars
SKU:
5C2016
Brand:
Laars
–
+
$76.75
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Add to List
5C3220 Compare Checkbox
Compare
Panel, Jacket, Rear, 5C3220
SKU:
5C3220
Laars
SKU:
5C3220
Brand:
Laars
–
+
$262.52
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Add to List
5C3304 Compare Checkbox
Compare
Plate, Gas Pipe Seal, 5C3304
SKU:
5C3304
Laars
SKU:
5C3304
Brand:
Laars
–
+
$17.51
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Add to List
5C6500 Compare Checkbox
Compare
Burner Manifold Assembly, 3 Burners, Left, Nat, 5C6500
SKU:
5C6500
Laars
SKU:
5C6500
Brand:
Laars
–
+
$684.32
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Add to List
5C6600 Compare Checkbox
Compare
Burner Manifold Assembly, 3 Burners, Right, Nat, 5C6600
SKU:
5C6600
Laars
SKU:
5C6600
Brand:
Laars
–
+
$679.86
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Add to List
5C7205 Compare Checkbox
Compare
Bracket, Base Controls, 5C7205
SKU:
5C7205
Laars
SKU:
5C7205
Brand:
Laars
–
+
$131.65
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Add to List
5C7209 Compare Checkbox
Compare
Bracket, Pcb Mounting, Controls, 5C7209
SKU:
5C7209
Laars
SKU:
5C7209
Brand:
Laars
–
+
$83.25
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Add to List
5X2000 Compare Checkbox
Compare
Hx Assembly, JX 50, 5X2000
SKU:
5X2000
Laars
SKU:
5X2000
Brand:
Laars
–
+
$1,435.29
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Add to List
5X3007 Compare Checkbox
Compare
Weld, Flue Collector JX50, 5X3007
SKU:
5X3007
Laars
SKU:
5X3007
Brand:
Laars
–
+
$60.51
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Add to List
5X3038 Compare Checkbox
Compare
Hx Front Panel JX 50, 5X3038
SKU:
5X3038
Laars
SKU:
5X3038
Brand:
Laars
–
+
$36.04
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Add to List
7C2003 Compare Checkbox
Compare
Front Panel Combustion Chamber, 7C2003
SKU:
7C2003
Laars
SKU:
7C2003
Brand:
Laars
–
+
$243.39
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Add to List
7F3100 Compare Checkbox
Compare
Weldment Vent Plate MT2, 7F3100
SKU:
7F3100
Laars
SKU:
7F3100
Brand:
Laars
–
+
$82.59
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
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 8 - Wed, Aug 5
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Add to List
7X2012 Compare Checkbox
Compare
Heat Exchanger Baffle JX75, 7X2012
SKU:
7X2012
Laars
SKU:
7X2012
Brand:
Laars
–
+
$26.05
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Add to List
7X2020 Compare Checkbox
Compare
Baffle, End, Spring Loaded, 7X2020
SKU:
7X2020
Laars
SKU:
7X2020
Brand:
Laars
–
+
$15.26
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Add to List
7X3030 Compare Checkbox
Compare
Draft Diverter Assembly, 7X3030
SKU:
7X3030
Laars
SKU:
7X3030
Brand:
Laars
–
+
$115.85
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Add to List
7X3031 Compare Checkbox
Compare
Top Back Panel JX 75, 7X3031
SKU:
7X3031
Laars
SKU:
7X3031
Brand:
Laars
–
+
$35.55
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Add to List
7X3037 Compare Checkbox
Compare
Real Panel JX 75, 7X3037
SKU:
7X3037
Laars
SKU:
7X3037
Brand:
Laars
–
+
$51.38
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Add to List
CTAR001 Compare Checkbox
Compare
28" Anode Rod, CTAR001
SKU:
CTAR001
Laars
SKU:
CTAR001
Brand:
Laars
–
+
$199.34
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Add to List
JX050NPHU1 Compare Checkbox
Compare
JX-50 42,000 BTU Output Mini-Therm Gas-Fired Hydronic Boiler w/ Pump (2,001-5,000 FT)
SKU:
JX050NPHU1
Laars
SKU:
JX050NPHU1
Brand:
Laars
–
+
$2,468.52
each
ADD TO CART
Add to List
Backorder
Get it by
Thu, Jul 9 - Mon, Aug 10
Backorder
Get it by
Thu, Jul 9 - Mon, Aug 10
Add to List
JX200NLHU1 Compare Checkbox
Compare
JX-200 168,000 BTU Output Mini-Therm Gas-Fired Hydronic Boiler w/ Low Loss Header & Pump Assembly (2,001-5,000 FT)
SKU:
JX200NLHU1
Laars
SKU:
JX200NLHU1
Brand:
Laars
–
+
$3,678.14
each
ADD TO CART
Add to List
Backorder
Get it by
Thu, Jul 9 - Mon, Aug 10
Backorder
Get it by
Thu, Jul 9 - Mon, Aug 10
Add to List
F0011400 Compare Checkbox
Compare
Washer For Mightytherm, F0011400
SKU:
F0011400
Laars
SKU:
F0011400
Brand:
Laars
–
+
$3.80
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Add to List
F0024500 Compare Checkbox
Compare
Cap Screw-hex. Head. 1/2" - 13unc X 2", F0024500
SKU:
F0024500
Laars
SKU:
F0024500
Brand:
Laars
–
+
$3.97
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Add to List
F0032300 Compare Checkbox
Compare
Plug, Button, 7/8", F0032300
SKU:
F0032300
Laars
SKU:
F0032300
Brand:
Laars
–
+
$3.80
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Add to List
F2023300 Compare Checkbox
Compare
Screw, M5-.8 X 12mm, Allen Soc Head, F2023300
SKU:
F2023300
Laars
SKU:
F2023300
Brand:
Laars
–
+
$3.80
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Add to List
F2024900 Compare Checkbox
Compare
Hose Clamp, #12, 1.25-.68, F2024900
SKU:
F2024900
Laars
SKU:
F2024900
Brand:
Laars
–
+
$5.37
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Add to List
F2026400 Compare Checkbox
Compare
Screw (M4 x 30mm), F2026400
SKU:
F2026400
Laars
SKU:
F2026400
Brand:
Laars
–
+
$3.97
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Add to List
F2027600 Compare Checkbox
Compare
Washer, Sealing, 1.19 OD X .79 Id, F2027600
SKU:
F2027600
Laars
SKU:
F2027600
Brand:
Laars
–
+
$4.18
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Add to List
F2037900 Compare Checkbox
Compare
Silicone Rubber Bumper, F2037900
SKU:
F2037900
Laars
SKU:
F2037900
Brand:
Laars
–
+
$37.24
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Add to List
FT1002 Compare Checkbox
Compare
Exhaust Vent Duct Ass’y, FT1002
SKU:
FT1002
Laars
SKU:
FT1002
Brand:
Laars
–
+
$56.57
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Add to List
FT1010 Compare Checkbox
Compare
Air Inlet Duct Ass’y, FT1010
SKU:
FT1010
Laars
SKU:
FT1010
Brand:
Laars
–
+
$61.78
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Add to List
FT1055 Compare Checkbox
Compare
Bracket, FT1055
SKU:
FT1055
Laars
SKU:
FT1055
Brand:
Laars
–
+
$27.40
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Add to List
FT1068 Compare Checkbox
Compare
Heat Exchanger Assembly (120,140k), FT1068
SKU:
FT1068
Laars
SKU:
FT1068
Brand:
Laars
–
+
$1,564.84
each
ADD TO CART
Add to List
Backorder
Get it by
Thu, Jul 9 - Mon, Aug 10
Backorder
Get it by
Thu, Jul 9 - Mon, Aug 10
Add to List
FT1083N Compare Checkbox
Compare
Nozzle (natural / 140k), FT1083N
SKU:
FT1083N
Laars
SKU:
FT1083N
Brand:
Laars
–
+
$44.83
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Add to List
FT1122 Compare Checkbox
Compare
Dhw Connector, FT1122
SKU:
FT1122
Laars
SKU:
FT1122
Brand:
Laars
–
+
$50.51
each
ADD TO CART
Add to List
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by
Wed, Jul 8 - Wed, Aug 5
Add to List
1
...
27
28
29
...
56
Resources
FAQs, Manuals & Videos
Articles
More About Laars
Founded in 1948, LAARS designs and manufactures high efficiency residential and commercial hydronic boilers, volume water heaters and commercial pool heaters at their Rochester NH, USA headquarters.
View More
Close Resources
Refresh
×
Video