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Laars

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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.
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Product Image of Fan Assembly, Ft 100, FT1863
Fan Assembly, Ft 100, FT1863
SKU: FT1863
Laars
SKU: FT1863
Brand: Laars
$291.01 each
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Product Image of B&G Pump , A2121801
B&G Pump , A2121801
SKU: A2121801
Laars
SKU: A2121801
Brand: Laars
$1,614.91 each
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Product Image of Bird Screen 2", FT1508
Bird Screen 2", FT1508
SKU: FT1508
Laars
SKU: FT1508
Brand: Laars
$18.25 each
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Product Image of Switch, Limit, High Temperature, Volume Water, E2324200
$162.04 each
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Product Image of Flange, Gas Valve, V2021900
Flange, Gas Valve, V2021900
SKU: V2021900
Laars
SKU: V2021900
Brand: Laars
$103.64 each
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Product Image of Air Pressure Switch For Neotherm, RE2334700
Air Pressure Switch For Neotherm, RE2334700
SKU: RE2334700
Laars
SKU: RE2334700
Brand: Laars
$71.91 each
In Stock
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Product Image of Tile Cover, Front & Rear, 10661507
Tile Cover, Front & Rear, 10661507
SKU: 10661507
Laars
SKU: 10661507
Brand: Laars
$46.38 each
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Product Image of 24v 4"Wc Nat 3/4" Gas Valve, RV0072900
24v 4"Wc Nat 3/4" Gas Valve, RV0072900
SKU: RV0072900
Laars
SKU: RV0072900
Brand: Laars
$1,618.37 each
In Stock
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Product Image of Adapter Plate, 20N5037
Adapter Plate, 20N5037
SKU: 20N5037
Laars
SKU: 20N5037
Brand: Laars
$357.32 each
In Stock
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Product Image of 11 Heat Exchanger, R0402004
11 Heat Exchanger, R0402004
SKU: R0402004
Laars
SKU: R0402004
Brand: Laars
$1,934.51 each
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Product Image of MIGHTYTHERM3500I-LP Boilernot-to-sell-product
MIGHTYTHERM3500I-LP Boiler
SKU: MIGHTYTHERM3500I-LP
Laars
SKU: MIGHTYTHERM3500I-LP
Brand: Laars
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Product Image of Gasket, D-shape, Rubber, .75 X 46.5” Lg, R2073804
$39.87 each
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Product Image of JX-125 105,000 BTU Output Mini-Therm Gas-Fired Hydronic Boiler w/ Low Loss Header & Pump Assembly (0-2,000 FT)
$2,693.13 each
In Stock
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Product Image of Burner Bank Cover Assembly, JX, 5X5004
Burner Bank Cover Assembly, JX, 5X5004
SKU: 5X5004
Laars
SKU: 5X5004
Brand: Laars
$28.41 each
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Product Image of 175 Drafthood, R0318702
175 Drafthood, R0318702
SKU: R0318702
Laars
SKU: R0318702
Brand: Laars
$531.43 each
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Product Image of Gas Manifold Weldment (single), 10525907
Gas Manifold Weldment (single), 10525907
SKU: 10525907
Laars
SKU: 10525907
Brand: Laars
$678.13 each
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Product Image of Flue Panel Assembly F & R, 20011501
Flue Panel Assembly F & R, 20011501
SKU: 20011501
Laars
SKU: 20011501
Brand: Laars
$300.60 each
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Product Image of Burner Tray, St. Pilot, 2 Stage, Single, Sect. Manifold (LP), 10529602
$2,068.87 each
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Product Image of Burner Assembly, FT1656
Burner Assembly, FT1656
SKU: FT1656
Laars
SKU: FT1656
Brand: Laars
$377.65 each
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Product Image of Orifice Plate, LP (0-5000 Ft.), 20404606
Orifice Plate, LP (0-5000 Ft.), 20404606
SKU: 20404606
Laars
SKU: 20404606
Brand: Laars
$6.57 each
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Product Image of Pressure Relief Valve, Boiler, RA2113602
Pressure Relief Valve, Boiler, RA2113602
SKU: RA2113602
Laars
SKU: RA2113602
Brand: Laars
$109.94 each
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Product Image of Chamber, Top, 7C2001
Chamber, Top, 7C2001
SKU: 7C2001
Laars
SKU: 7C2001
Brand: Laars
$384.94 each
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Product Image of Control Module, RTXD7111
Control Module, RTXD7111
SKU: RTXD7111
Laars
SKU: RTXD7111
Brand: Laars
$727.31 each
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Product Image of Heat Exchanger, Cupro-nickel, R2027807
Heat Exchanger, Cupro-nickel, R2027807
SKU: R2027807
Laars
SKU: R2027807
Brand: Laars
$14,275.72 each
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Product Image of Magnatech, 30N7082
Magnatech, 30N7082
SKU: 30N7082
Laars
SKU: 30N7082
Brand: Laars
$5,446.37 each
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Product Image of MIGHTYTHERM4500I-LP Boilernot-to-sell-product
MIGHTYTHERM4500I-LP Boiler
SKU: MIGHTYTHERM4500I-LP
Laars
SKU: MIGHTYTHERM4500I-LP
Brand: Laars
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Product Image of Stanchion, 40N3001
Stanchion, 40N3001
SKU: 40N3001
Laars
SKU: 40N3001
Brand: Laars
$191.89 each
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Product Image of Nipple, Flanged, 3/4 NPT, Nt 1000 And Nt 1200, 10J6001
$119.26 each
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Product Image of Heat Shield Support Bracket, 20003203
Heat Shield Support Bracket, 20003203
SKU: 20003203
Laars
SKU: 20003203
Brand: Laars
$105.94 each
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Product Image of O-ring, -120, 1" Id X 1-3/16" OD, S2116300
O-ring, -120, 1" Id X 1-3/16" OD, S2116300
SKU: S2116300
Laars
SKU: S2116300
Brand: Laars
$3.42 each
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Product Image of Panel, Access, Combustion Chamber, R2001700
Panel, Access, Combustion Chamber, R2001700
SKU: R2001700
Laars
SKU: R2001700
Brand: Laars
$357.32 each
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Product Image of Tile Heat Shield Assembly, 20012103
Tile Heat Shield Assembly, 20012103
SKU: 20012103
Laars
SKU: 20012103
Brand: Laars
$308.30 each
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Product Image of Gasket Blower, 2400-540
Gasket Blower, 2400-540
SKU: 2400-540
Laars
SKU: 2400-540
Brand: Laars
$60.74 each
Out of Stock
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Out of Stock
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Product Image of 2” Dia. Pipe, Cpvc, RD2010213
2” Dia. Pipe, Cpvc, RD2010213
SKU: RD2010213
Laars
SKU: RD2010213
Brand: Laars
$94.00 each
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Product Image of ST Inlet Sensor, ST1023
ST Inlet Sensor, ST1023
SKU: ST1023
Laars
SKU: ST1023
Brand: Laars
$28.51 each
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Product Image of NG to LP Conversion Kit for JX075 (0-2,000 FT), CA019905
$74.14 each
In Stock
Get 1 by Thu, Jul 24
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Product Image of Panel, Rear Right, R2009000
Panel, Rear Right, R2009000
SKU: R2009000
Laars
SKU: R2009000
Brand: Laars
$254.71 each
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Product Image of Front Panel Upper, 10658909
Front Panel Upper, 10658909
SKU: 10658909
Laars
SKU: 10658909
Brand: Laars
$550.45 each
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Product Image of Bracket, Angle, Stiffening, Control Mount, 10J1270
$35.90 each
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Product Image of Wire Harness, R50D7412
Wire Harness, R50D7412
SKU: R50D7412
Laars
SKU: R50D7412
Brand: Laars
$407.65 each
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Product Image of Panel, Bottom Long, 12P3005
Panel, Bottom Long, 12P3005
SKU: 12P3005
Laars
SKU: 12P3005
Brand: Laars
$255.31 each
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Product Image of Manifold Cover Plate Assembly, 10552905
Manifold Cover Plate Assembly, 10552905
SKU: 10552905
Laars
SKU: 10552905
Brand: Laars
$142.42 each
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Product Image of Combustion Blower Gasket Kit, R2005000
Combustion Blower Gasket Kit, R2005000
SKU: R2005000
Laars
SKU: R2005000
Brand: Laars
$202.15 each
In Stock
Get 3 by Thu, Jul 24
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Product Image of Fan Assembly, FT1916
Fan Assembly, FT1916
SKU: FT1916
Laars
SKU: FT1916
Brand: Laars
$316.48 each
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Product Image of Fan Assembly, FT1714
Fan Assembly, FT1714
SKU: FT1714
Laars
SKU: FT1714
Brand: Laars
$300.21 each
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Product Image of Chamber, Top, 12C2001
Chamber, Top, 12C2001
SKU: 12C2001
Laars
SKU: 12C2001
Brand: Laars
$578.95 each
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Product Image of Plug, Pipe, 1” NPT, Ci (nth), P2079200
Plug, Pipe, 1” NPT, Ci (nth), P2079200
SKU: P2079200
Laars
SKU: P2079200
Brand: Laars
$5.69 each
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Product Image of Vent Damper Harness (not Shown), E0099101
Vent Damper Harness (not Shown), E0099101
SKU: E0099101
Laars
SKU: E0099101
Brand: Laars
$33.18 each
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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.
Filter & Sort
2,682 items
Reset

SORT

Top Sellers
Default
Price ▲
Price ▼

Product Availability

Show In Stock Only (414)

Product Type

Boiler (139)
Boiler Part (2451)
Tankless Heater (4)
Gas Valve (1)
Ignitor (11)
Miscellaneous (22)
ABS Fitting (1)
Control Board (1)
Control Module (2)
Flame Sensor (2)
See More

Price Range

$1 to $5 (57)
$5 to $10 (64)
$10 to $15 (65)
$15 to $20 (75)
$20 to $25 (55)
$25 to $30 (83)
$30 to $35 (84)
$35 to $40 (85)
$40 to $45 (65)
$45 to $50 (48)
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