Apply to be a TradeMaster!
Filter menu expanded

Filters

2,670 items
Reset

SORT

Product Availability
–

Show In Stock Only (316)

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 Neotherm Drain, R10-143
Neotherm Drain, R10-143
SKU: R10-143
Laars
SKU: R10-143
Brand: Laars
$54.30 each
Backorder
Get it by Tue, Jul 7 - Tue, Aug 4
Backorder
Get it by Tue, Jul 7 - Tue, Aug 4
Compare
Product Image of 2-1/2" NPT Flange Repair Kit (Iron), R10391303
2-1/2" NPT Flange Repair Kit (Iron), R10391303
SKU: R10391303
Laars
SKU: R10391303
Brand: Laars
$93.99 each
Out of Stock
Get it by Mon, Jun 22 - Mon, Jun 29
Out of Stock
Get it by Mon, Jun 22 - Mon, Jun 29
Compare
Product Image of Natural Gas Pilot Sensor Lead Assembly, R10418815
Natural Gas Pilot Sensor Lead Assembly, R10418815
SKU: R10418815
Laars
SKU: R10418815
Brand: Laars
$163.98 each
Backorder
Get it by Tue, Jul 7 - Tue, Aug 4
Backorder
Get it by Tue, Jul 7 - Tue, Aug 4
Compare
Product Image of Burner Tie Down Bracket (left), R10525703
Burner Tie Down Bracket (left), R10525703
SKU: R10525703
Laars
SKU: R10525703
Brand: Laars
$69.93 each
Out of Stock
Get it by Mon, Jun 22 - Mon, Jun 29
Out of Stock
Get it by Mon, Jun 22 - Mon, Jun 29
Compare
Product Image of Baffle, HX, R10534606
Baffle, HX, R10534606
SKU: R10534606
Laars
SKU: R10534606
Brand: Laars
$43.16 each
Backorder
Get it by Tue, Jul 7 - Tue, Aug 4
Backorder
Get it by Tue, Jul 7 - Tue, Aug 4
Compare
Product Image of Burner Tie Down Bracket (right), R10542001
Burner Tie Down Bracket (right), R10542001
SKU: R10542001
Laars
SKU: R10542001
Brand: Laars
$70.22 each
Backorder
Get it by Tue, Jul 7 - Tue, Aug 4
Backorder
Get it by Tue, Jul 7 - Tue, Aug 4
Compare
Product Image of Burner Tie Down Bracket (right), R10542002
Burner Tie Down Bracket (right), R10542002
SKU: R10542002
Laars
SKU: R10542002
Brand: Laars
$55.86 each
In Stock
Get 1 by Wed, Jun 10
In Stock
Get 1 by Wed, Jun 10
Compare
Product Image of Heat Exchanger,2p,400,copper, R10570305
Heat Exchanger,2p,400,copper, R10570305
SKU: R10570305
Laars
SKU: R10570305
Brand: Laars
$2,686.44 each
Backorder
Get it by Wed, Jul 8 - Fri, Aug 7
Backorder
Get it by Wed, Jul 8 - Fri, Aug 7
Compare
Product Image of Assembly, Sight Glass, R10956000
Assembly, Sight Glass, R10956000
SKU: R10956000
Laars
SKU: R10956000
Brand: Laars
$59.06 each
Backorder
Get it by Tue, Jul 7 - Tue, Aug 4
Backorder
Get it by Tue, Jul 7 - Tue, Aug 4
Compare
Product Image of Rear Panel, Assembly With Gasket, R10J1218
Rear Panel, Assembly With Gasket, R10J1218
SKU: R10J1218
Laars
SKU: R10J1218
Brand: Laars
$360.30 each
Backorder
Get it by Tue, Jul 7 - Tue, Aug 4
Backorder
Get it by Tue, Jul 7 - Tue, Aug 4
Compare
Product Image of Top Center Support, R10J1234
Top Center Support, R10J1234
SKU: R10J1234
Laars
SKU: R10J1234
Brand: Laars
$78.95 each
Backorder
Get it by Tue, Jul 7 - Tue, Aug 4
Backorder
Get it by Tue, Jul 7 - Tue, Aug 4
Compare
Product Image of Chamber, Rear, R15C2006
Chamber, Rear, R15C2006
SKU: R15C2006
Laars
SKU: R15C2006
Brand: Laars
$384.96 each
Backorder
Get it by Tue, Jul 7 - Tue, Aug 4
Backorder
Get it by Tue, Jul 7 - Tue, Aug 4
Compare
Product Image of Base Assembly, R15D1100
Base Assembly, R15D1100
SKU: R15D1100
Laars
SKU: R15D1100
Brand: Laars
$349.84 each
Backorder
Get it by Tue, Jul 7 - Tue, Aug 4
Backorder
Get it by Tue, Jul 7 - Tue, Aug 4
Compare
Product Image of Heat Exchanger, R15X2000
Heat Exchanger, R15X2000
SKU: R15X2000
Laars
SKU: R15X2000
Brand: Laars
$2,562.89 each
Out of Stock
Get it by Tue, Jun 23 - Thu, Jul 2
Out of Stock
Get it by Tue, Jun 23 - Thu, Jul 2
Compare
Product Image of NG to LP Conversion Kit, 0-5000 ft., R2000307
NG to LP Conversion Kit, 0-5000 ft., R2000307
SKU: R2000307
Laars
SKU: R2000307
Brand: Laars
$232.32 each
Backorder
Get it by Tue, Jul 7 - Tue, Aug 4
Backorder
Get it by Tue, Jul 7 - Tue, Aug 4
Compare
Product Image of Base Assembly, R2001100
Base Assembly, R2001100
SKU: R2001100
Laars
SKU: R2001100
Brand: Laars
$2,150.37 each
Backorder
Get it by Wed, Jul 8 - Fri, Aug 7
Backorder
Get it by Wed, Jul 8 - Fri, Aug 7
Compare
Product Image of Panel, Bottom, Combustion Chamber, R2001400
Panel, Bottom, Combustion Chamber, R2001400
SKU: R2001400
Laars
SKU: R2001400
Brand: Laars
$1,071.11 each
Backorder
Get it by Wed, Jul 8 - Fri, Aug 7
Backorder
Get it by Wed, Jul 8 - Fri, Aug 7
Compare
Product Image of Panel, Left, Combustion Chamber, R2001500
Panel, Left, Combustion Chamber, R2001500
SKU: R2001500
Laars
SKU: R2001500
Brand: Laars
$863.02 each
Backorder
Get it by Tue, Jul 7 - Tue, Aug 4
Backorder
Get it by Tue, Jul 7 - Tue, Aug 4
Compare
Product Image of Tile Support Protective Liner, R2002700
Tile Support Protective Liner, R2002700
SKU: R2002700
Laars
SKU: R2002700
Brand: Laars
$490.63 each
Backorder
Get it by Tue, Jul 7 - Tue, Aug 4
Backorder
Get it by Tue, Jul 7 - Tue, Aug 4
Compare
Product Image of Gas Valve, Safety, R2003300
Gas Valve, Safety, R2003300
SKU: R2003300
Laars
SKU: R2003300
Brand: Laars
$1,032.43 each
Backorder
Get it by Tue, Jul 7 - Tue, Aug 4
Backorder
Get it by Tue, Jul 7 - Tue, Aug 4
Compare
Product Image of Gas Valve, Mod Complete (body And Actuator) Size 2000, Nat, R2003600
Gas Valve, Mod Complete (body And Actuator) Size 2000, Nat, R2003600
SKU: R2003600
Laars
SKU: R2003600
Brand: Laars
$3,650.32 each
Backorder
Get it by Wed, Jul 8 - Fri, Aug 7
Backorder
Get it by Wed, Jul 8 - Fri, Aug 7
Compare
Product Image of Gas Orifice Kit (orifice In Holder), Nat, R2003800
Gas Orifice Kit (orifice In Holder), Nat, R2003800
SKU: R2003800
Laars
SKU: R2003800
Brand: Laars
$547.43 each
Backorder
Get it by Tue, Jul 7 - Tue, Aug 4
Backorder
Get it by Tue, Jul 7 - Tue, Aug 4
Compare
Product Image of Air Filter Box Cover, R2004700
Air Filter Box Cover, R2004700
SKU: R2004700
Laars
SKU: R2004700
Brand: Laars
$167.47 each
Backorder
Get it by Tue, Jul 7 - Tue, Aug 4
Backorder
Get it by Tue, Jul 7 - Tue, Aug 4
Compare
Product Image of Air Transition (filter Box To Blower), R2005200
Air Transition (filter Box To Blower), R2005200
SKU: R2005200
Laars
SKU: R2005200
Brand: Laars
$737.92 each
Backorder
Get it by Tue, Jul 7 - Tue, Aug 4
Backorder
Get it by Tue, Jul 7 - Tue, Aug 4
Compare
Product Image of Transformer, 24/115 Step Up, R2005500
Transformer, 24/115 Step Up, R2005500
SKU: R2005500
Laars
SKU: R2005500
Brand: Laars
$217.78 each
Backorder
Get it by Tue, Jul 7 - Tue, Aug 4
Backorder
Get it by Tue, Jul 7 - Tue, Aug 4
Compare
Product Image of Terminal Block, 4 Position, R2006500
Terminal Block, 4 Position, R2006500
SKU: R2006500
Laars
SKU: R2006500
Brand: Laars
$52.46 each
Backorder
Get it by Tue, Jul 7 - Tue, Aug 4
Backorder
Get it by Tue, Jul 7 - Tue, Aug 4
Compare
Product Image of Sensor, Temperature Control (not Shown), R2006600
Sensor, Temperature Control (not Shown), R2006600
SKU: R2006600
Laars
SKU: R2006600
Brand: Laars
$318.20 each
Backorder
Get it by Tue, Jul 7 - Tue, Aug 4
Backorder
Get it by Tue, Jul 7 - Tue, Aug 4
Compare
Product Image of Cover, Control Panel Bottom, R2007000
Cover, Control Panel Bottom, R2007000
SKU: R2007000
Laars
SKU: R2007000
Brand: Laars
$88.19 each
Backorder
Get it by Tue, Jul 7 - Tue, Aug 4
Backorder
Get it by Tue, Jul 7 - Tue, Aug 4
Compare
Product Image of Bracket, Support, Control Panel Top, R2007800
Bracket, Support, Control Panel Top, R2007800
SKU: R2007800
Laars
SKU: R2007800
Brand: Laars
$112.96 each
Backorder
Get it by Tue, Jul 7 - Tue, Aug 4
Backorder
Get it by Tue, Jul 7 - Tue, Aug 4
Compare
Product Image of Hardware Kit, Heat Exchanger Cover, R2008300
Hardware Kit, Heat Exchanger Cover, R2008300
SKU: R2008300
Laars
SKU: R2008300
Brand: Laars
$42.88 each
Backorder
Get it by Tue, Jul 7 - Tue, Aug 4
Backorder
Get it by Tue, Jul 7 - Tue, Aug 4
Compare
Product Image of Panel, Rear Right, R2009000
Panel, Rear Right, R2009000
SKU: R2009000
Laars
SKU: R2009000
Brand: Laars
$278.12 each
Backorder
Get it by Tue, Jul 7 - Tue, Aug 4
Backorder
Get it by Tue, Jul 7 - Tue, Aug 4
Compare
Product Image of Panel, Common Access, R2009100
Panel, Common Access, R2009100
SKU: R2009100
Laars
SKU: R2009100
Brand: Laars
$681.33 each
Backorder
Get it by Tue, Jul 7 - Tue, Aug 4
Backorder
Get it by Tue, Jul 7 - Tue, Aug 4
Compare
Product Image of Panel, Top, R2009200
Panel, Top, R2009200
SKU: R2009200
Laars
SKU: R2009200
Brand: Laars
$900.11 each
Backorder
Get it by Tue, Jul 7 - Tue, Aug 4
Backorder
Get it by Tue, Jul 7 - Tue, Aug 4
Compare
Product Image of Tile Support W/rods, R2010900
Tile Support W/rods, R2010900
SKU: R2010900
Laars
SKU: R2010900
Brand: Laars
$505.59 each
Backorder
Get it by Tue, Jul 7 - Tue, Aug 4
Backorder
Get it by Tue, Jul 7 - Tue, Aug 4
Compare
Product Image of Burner, With Gaskets, R2013200
Burner, With Gaskets, R2013200
SKU: R2013200
Laars
SKU: R2013200
Brand: Laars
$1,859.91 each
Backorder
Get it by Wed, Jul 8 - Fri, Aug 7
Backorder
Get it by Wed, Jul 8 - Fri, Aug 7
Compare
Product Image of Shims, Pump Bracket (10 Ea), R2013600
Shims, Pump Bracket (10 Ea), R2013600
SKU: R2013600
Laars
SKU: R2013600
Brand: Laars
$63.95 each
Backorder
Get it by Tue, Jul 7 - Tue, Aug 4
Backorder
Get it by Tue, Jul 7 - Tue, Aug 4
Compare
Product Image of Combustion Chamber Assembly, R2016300
Combustion Chamber Assembly, R2016300
SKU: R2016300
Laars
SKU: R2016300
Brand: Laars
$26,197.68 each
Backorder
Get it by Wed, Jul 8 - Fri, Aug 7
Backorder
Get it by Wed, Jul 8 - Fri, Aug 7
Compare
Product Image of Heat Exchanger Assembly, Copper, R2017100
Heat Exchanger Assembly, Copper, R2017100
SKU: R2017100
Laars
SKU: R2017100
Brand: Laars
$13,384.53 each
Backorder
Get it by Wed, Jul 8 - Fri, Aug 7
Backorder
Get it by Wed, Jul 8 - Fri, Aug 7
Compare
Product Image of Baffle, Flue, R2017300
Baffle, Flue, R2017300
SKU: R2017300
Laars
SKU: R2017300
Brand: Laars
$548.83 each
Backorder
Get it by Tue, Jul 7 - Tue, Aug 4
Backorder
Get it by Tue, Jul 7 - Tue, Aug 4
Compare
Product Image of Tubing/fittings (gas Train Repair Kit), R2020700
Tubing/fittings (gas Train Repair Kit), R2020700
SKU: R2020700
Laars
SKU: R2020700
Brand: Laars
$569.44 each
Backorder
Get it by Tue, Jul 7 - Tue, Aug 4
Backorder
Get it by Tue, Jul 7 - Tue, Aug 4
Compare
Product Image of Header Cover, R2022700
Header Cover, R2022700
SKU: R2022700
Laars
SKU: R2022700
Brand: Laars
$2,577.28 each
Backorder
Get it by Wed, Jul 8 - Fri, Aug 7
Backorder
Get it by Wed, Jul 8 - Fri, Aug 7
Compare
Product Image of Header Cover, R2022800
Header Cover, R2022800
SKU: R2022800
Laars
SKU: R2022800
Brand: Laars
$2,382.68 each
Backorder
Get it by Wed, Jul 8 - Fri, Aug 7
Backorder
Get it by Wed, Jul 8 - Fri, Aug 7
Compare
Product Image of Water Barrier Assembly, R2023300
Water Barrier Assembly, R2023300
SKU: R2023300
Laars
SKU: R2023300
Brand: Laars
$378.16 each
Backorder
Get it by Tue, Jul 7 - Tue, Aug 4
Backorder
Get it by Tue, Jul 7 - Tue, Aug 4
Compare
Product Image of Water Barrier Assembly, R2023400
Water Barrier Assembly, R2023400
SKU: R2023400
Laars
SKU: R2023400
Brand: Laars
$389.08 each
Backorder
Get it by Tue, Jul 7 - Tue, Aug 4
Backorder
Get it by Tue, Jul 7 - Tue, Aug 4
Compare
Product Image of Hardware Kit, Heat Exchanger Cover, R2023800
Hardware Kit, Heat Exchanger Cover, R2023800
SKU: R2023800
Laars
SKU: R2023800
Brand: Laars
$42.22 each
Backorder
Get it by Tue, Jul 7 - Tue, Aug 4
Backorder
Get it by Tue, Jul 7 - Tue, Aug 4
Compare
Product Image of Panel, Flue Vent Access, R2026300
Panel, Flue Vent Access, R2026300
SKU: R2026300
Laars
SKU: R2026300
Brand: Laars
$130.42 each
Backorder
Get it by Tue, Jul 7 - Tue, Aug 4
Backorder
Get it by Tue, Jul 7 - Tue, Aug 4
Compare
Product Image of Heat Exchanger, Copper, R2026702
Heat Exchanger, Copper, R2026702
SKU: R2026702
Laars
SKU: R2026702
Brand: Laars
$10,583.50 each
Backorder
Get it by Wed, Jul 8 - Fri, Aug 7
Backorder
Get it by Wed, Jul 8 - Fri, Aug 7
Compare
Product Image of Heat Exchanger, Cupro-nickel, R2027802
Heat Exchanger, Cupro-nickel, R2027802
SKU: R2027802
Laars
SKU: R2027802
Brand: Laars
$8,958.40 each
Backorder
Get it by Wed, Jul 8 - Fri, Aug 7
Backorder
Get it by Wed, Jul 8 - Fri, Aug 7
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