Apply to be a TradeMaster!
Filter menu expanded

Filters

2,670 items
Reset

SORT

Product Availability
–

Show In Stock Only (395)

Product Type
–

Boiler (139)
Boiler Part (2433)
Tankless Heater (4)
Gas Valve (1)
Ignitor (12)
Miscellaneous (22)
ABS Fitting (1)
Control Board (1)
Control Module (2)
Flame Sensor (2)

Price Range
–

Under $1 (2)
$1 to $5 (58)
$5 to $10 (63)
$10 to $15 (48)
$15 to $20 (69)
$20 to $25 (56)
$25 to $30 (53)
$30 to $35 (87)
$35 to $40 (74)
$40 to $45 (77)

Laars

Help Face
Need a little help?
2670 items
Grid
List
Compare
Product Image of Panel, Chamber, Side, R2C2002
Panel, Chamber, Side, R2C2002
SKU: R2C2002
Laars
SKU: R2C2002
Brand: Laars
$64.49 each
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Compare
Product Image of Panel, Left Side, Air Box, R2C2015
Panel, Left Side, Air Box, R2C2015
SKU: R2C2015
Laars
SKU: R2C2015
Brand: Laars
$44.79 each
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Compare
Product Image of Panel, Right Side, Air Box, R2C2016
Panel, Right Side, Air Box, R2C2016
SKU: R2C2016
Laars
SKU: R2C2016
Brand: Laars
$44.79 each
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Compare
Product Image of Header, Return, R2C4103
Header, Return, R2C4103
SKU: R2C4103
Laars
SKU: R2C4103
Brand: Laars
$203.09 each
Out of Stock
Get it by Tue, Jun 23 - Tue, Jun 30
Out of Stock
Get it by Tue, Jun 23 - Tue, Jun 30
Compare
Product Image of 1/4" Compression Nut, P0076100
1/4" Compression Nut, P0076100
SKU: P0076100
Laars
SKU: P0076100
Brand: Laars
$3.35 each
Out of Stock
Get it by Tue, Jun 23 - Tue, Jun 30
Out of Stock
Get it by Tue, Jun 23 - Tue, Jun 30
Compare
Product Image of Venturi O-ring, RS2105200
Venturi O-ring, RS2105200
SKU: RS2105200
Laars
SKU: RS2105200
Brand: Laars
$46.09 each
In Stock
Get 1 by Thu, Jun 11
In Stock
Get 1 by Thu, Jun 11
Compare
Product Image of 24V Negative Pressure Gas Valve, 2400-014
24V Negative Pressure Gas Valve, 2400-014
SKU: 2400-014
Laars
SKU: 2400-014
Brand: Laars
$440.01 each
In Stock
Get 2 by Wed, Jun 10
In Stock
Get 2 by Wed, Jun 10
Compare
Product Image of Buna Pressure Switch, 0-10PS, 2400-106
Buna Pressure Switch, 0-10PS, 2400-106
SKU: 2400-106
Laars
SKU: 2400-106
Brand: Laars
$515.39 each
In Stock
Get 1 by Wed, Jun 10
In Stock
Get 1 by Wed, Jun 10
Compare
Product Image of 3/4 HP Service Motor Kit, A2123402
3/4 HP Service Motor Kit, A2123402
SKU: A2123402
Laars
SKU: A2123402
Brand: Laars
$771.80 each
In Stock
Get 1 by Wed, Jun 10
In Stock
Get 1 by Wed, Jun 10
Compare
Product Image of Ignition Control Module, E2311900
Ignition Control Module, E2311900
SKU: E2311900
Laars
SKU: E2311900
Brand: Laars
$518.16 each
In Stock
Get 1 by Wed, Jun 10
In Stock
Get 1 by Wed, Jun 10
Compare
Product Image of Water Temperature Sensor, E2371200
Water Temperature Sensor, E2371200
SKU: E2371200
Laars
SKU: E2371200
Brand: Laars
$45.33 each
In Stock
Get 1 by Wed, Jun 10
In Stock
Get 1 by Wed, Jun 10
Compare
Product Image of Top and Bottom Tile Kit, R2002500
Top and Bottom Tile Kit, R2002500
SKU: R2002500
Laars
SKU: R2002500
Brand: Laars
$1,181.84 each
In Stock
Get 1 by Wed, Jun 10
In Stock
Get 1 by Wed, Jun 10
Compare
Product Image of 24V 10A DPDT Relay, R2006100
24V 10A DPDT Relay, R2006100
SKU: R2006100
Laars
SKU: R2006100
Brand: Laars
$85.48 each
In Stock
Get 1 by Tomorrow, Jun 9
In Stock
Get 1 by Tomorrow, Jun 9
Compare
Product Image of Pressure Switch Kit, R2022400
Pressure Switch Kit, R2022400
SKU: R2022400
Laars
SKU: R2022400
Brand: Laars
$138.18 each
In Stock
Get 3 by Wed, Jun 10
In Stock
Get 3 by Wed, Jun 10
Compare
Product Image of Outdoor Air Temperature Sensor, RE2310500
Outdoor Air Temperature Sensor, RE2310500
SKU: RE2310500
Laars
SKU: RE2310500
Brand: Laars
$78.85 each
In Stock
Get 1 by Wed, Jun 10
In Stock
Get 1 by Wed, Jun 10
Compare
Product Image of Plate, Vent, 10C3004
Plate, Vent, 10C3004
SKU: 10C3004
Laars
SKU: 10C3004
Brand: Laars
$30.68 each
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Compare
Product Image of Panel, Jacket, Top, 10C3021
Panel, Jacket, Top, 10C3021
SKU: 10C3021
Laars
SKU: 10C3021
Brand: Laars
$348.93 each
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Compare
Product Image of Plate, Gas Pipe Seal, 10C3304
Plate, Gas Pipe Seal, 10C3304
SKU: 10C3304
Laars
SKU: 10C3304
Brand: Laars
$19.15 each
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Compare
Product Image of Burner Manifold Assembly, 4 Burners, Left, Nat, 10C6500
Burner Manifold Assembly, 4 Burners, Left, Nat, 10C6500
SKU: 10C6500
Laars
SKU: 10C6500
Brand: Laars
$781.05 each
In Stock
Get 1 by Tomorrow, Jun 9
In Stock
Get 1 by Tomorrow, Jun 9
Compare
Product Image of Baffle, Diffuser, 10338400
Baffle, Diffuser, 10338400
SKU: 10338400
Laars
SKU: 10338400
Brand: Laars
$80.09 each
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Compare
Product Image of Plate, Cover, Sight Glass, 10338600
Plate, Cover, Sight Glass, 10338600
SKU: 10338600
Laars
SKU: 10338600
Brand: Laars
$23.46 each
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Compare
Product Image of Return Header, 10416100
Return Header, 10416100
SKU: 10416100
Laars
SKU: 10416100
Brand: Laars
$1,477.69 each
Backorder
Get it by Thu, Jul 9 - Mon, Aug 10
Backorder
Get it by Thu, Jul 9 - Mon, Aug 10
Compare
Product Image of High-Tension Lead, 10449519R
High-Tension Lead, 10449519R
SKU: 10449519R
Laars
SKU: 10449519R
Brand: Laars
$33.87 each
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Compare
Product Image of Bracket, Heat Exchanger, 10457000
Bracket, Heat Exchanger, 10457000
SKU: 10457000
Laars
SKU: 10457000
Brand: Laars
$25.83 each
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Compare
Product Image of 32 Tile Cover, 10469504
32 Tile Cover, 10469504
SKU: 10469504
Laars
SKU: 10469504
Brand: Laars
$11.34 each
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Compare
Product Image of 25 Heat Exchanger Baffle, 10485309
25 Heat Exchanger Baffle, 10485309
SKU: 10485309
Laars
SKU: 10485309
Brand: Laars
$9.00 each
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Compare
Product Image of Cross Brace, Hx, Base, 10J1204
Cross Brace, Hx, Base, 10J1204
SKU: 10J1204
Laars
SKU: 10J1204
Brand: Laars
$63.24 each
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Compare
Product Image of Support, 10J1205
Support, 10J1205
SKU: 10J1205
Laars
SKU: 10J1205
Brand: Laars
$69.34 each
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Compare
Product Image of Rail, Hx, 10J1206
Rail, Hx, 10J1206
SKU: 10J1206
Laars
SKU: 10J1206
Brand: Laars
$35.26 each
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Compare
Product Image of Weldment, Base, 10J1210
Weldment, Base, 10J1210
SKU: 10J1210
Laars
SKU: 10J1210
Brand: Laars
$516.99 each
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Compare
Product Image of Rail, Side Top, Jacket, 10J1212
Rail, Side Top, Jacket, 10J1212
SKU: 10J1212
Laars
SKU: 10J1212
Brand: Laars
$40.90 each
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Compare
Product Image of Cross Brace, Front Hx, Base, 10J1231
Cross Brace, Front Hx, Base, 10J1231
SKU: 10J1231
Laars
SKU: 10J1231
Brand: Laars
$78.15 each
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Compare
Product Image of Plate, Retainer, Gasket, Hx, 10J3031
Plate, Retainer, Gasket, Hx, 10J3031
SKU: 10J3031
Laars
SKU: 10J3031
Brand: Laars
$47.88 each
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Compare
Product Image of Bracket, Pipe, 10J3038
Bracket, Pipe, 10J3038
SKU: 10J3038
Laars
SKU: 10J3038
Brand: Laars
$102.80 each
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Compare
Product Image of Pipe, Water Inlet Assembly(nth), 10J4050
Pipe, Water Inlet Assembly(nth), 10J4050
SKU: 10J4050
Laars
SKU: 10J4050
Brand: Laars
$521.59 each
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Compare
Product Image of Bracket, Mounting, Slide, Top, 10J7006
Bracket, Mounting, Slide, Top, 10J7006
SKU: 10J7006
Laars
SKU: 10J7006
Brand: Laars
$77.41 each
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Compare
Product Image of Bracket, Slide, Top, 10J7007
Bracket, Slide, Top, 10J7007
SKU: 10J7007
Laars
SKU: 10J7007
Brand: Laars
$35.16 each
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Compare
Product Image of Panel, Mounting, Spark Generator, 10J7014
Panel, Mounting, Spark Generator, 10J7014
SKU: 10J7014
Laars
SKU: 10J7014
Brand: Laars
$88.45 each
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Compare
Product Image of Bracket, Slide Stop, Control Panel, 10J7024
Bracket, Slide Stop, Control Panel, 10J7024
SKU: 10J7024
Laars
SKU: 10J7024
Brand: Laars
$22.48 each
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Compare
Product Image of Spark Generator, 10J7212
Spark Generator, 10J7212
SKU: 10J7212
Laars
SKU: 10J7212
Brand: Laars
$183.78 each
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Compare
Product Image of Heat Exchanger 100, 10P2100
Heat Exchanger 100, 10P2100
SKU: 10P2100
Laars
SKU: 10P2100
Brand: Laars
$2,760.67 each
Backorder
Get it by Thu, Jul 9 - Mon, Aug 10
Backorder
Get it by Thu, Jul 9 - Mon, Aug 10
Compare
Product Image of Hx Assembly, JX 100, 10X2000
Hx Assembly, JX 100, 10X2000
SKU: 10X2000
Laars
SKU: 10X2000
Brand: Laars
$1,578.50 each
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Compare
Product Image of Weld, Flue Collector JX100, 10X3007
Weld, Flue Collector JX100, 10X3007
SKU: 10X3007
Laars
SKU: 10X3007
Brand: Laars
$70.95 each
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Compare
Product Image of Burner Bank Cover Assembly, JX, 10X5004
Burner Bank Cover Assembly, JX, 10X5004
SKU: 10X5004
Laars
SKU: 10X5004
Brand: Laars
$32.01 each
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Compare
Product Image of Machined Gas Manifold, JX, 10X6001
Machined Gas Manifold, JX, 10X6001
SKU: 10X6001
Laars
SKU: 10X6001
Brand: Laars
$54.15 each
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Compare
Product Image of 16 Rear Panel, 11020205
16 Rear Panel, 11020205
SKU: 11020205
Laars
SKU: 11020205
Brand: Laars
$88.70 each
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Compare
Product Image of 16 Rear Panel, 11020206
16 Rear Panel, 11020206
SKU: 11020206
Laars
SKU: 11020206
Brand: Laars
$88.70 each
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Compare
Product Image of 22 Jacket, 11027901
22 Jacket, 11027901
SKU: 11027901
Laars
SKU: 11027901
Brand: Laars
$229.62 each
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
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.
×

Video