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Boiler (139)
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Control Module (2)
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$1 to $5 (58)
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Laars

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Product Image of 1/2" Spiral Packing, FT1710
1/2" Spiral Packing, FT1710
SKU: FT1710
Laars
SKU: FT1710
Brand: Laars
$2.70 each
In Stock
Get 2 by Wed, Jun 10
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Product Image of JX-150 134,400 BTU Output Mini-Therm Gas-Fired Hydronic Boiler w/ Low Loss Header & Pump Assembly (2,001-5,000 FT)
$2,648.38 each
In Stock
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Product Image of NG to LP Conversion Kit for JX075 (0-2,000 FT), CA019905
NG to LP Conversion Kit for JX075 (0-2,000 FT), CA019905
SKU: CA019905
Laars
SKU: CA019905
Brand: Laars
$81.08 each
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Product Image of Cut Off Low Water Manual Reset, RE2075100
Cut Off Low Water Manual Reset, RE2075100
SKU: RE2075100
Laars
SKU: RE2075100
Brand: Laars
$473.43 each
In Stock
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Product Image of Display Module, RE2347200
Display Module, RE2347200
SKU: RE2347200
Laars
SKU: RE2347200
Brand: Laars
(1)
$453.05 each
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Product Image of Gasket Kit, R2003000
Gasket Kit, R2003000
SKU: R2003000
Laars
SKU: R2003000
Brand: Laars
$573.57 each
In Stock
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Product Image of Rear Bottom Tile, T2017400
Rear Bottom Tile, T2017400
SKU: T2017400
Laars
SKU: T2017400
Brand: Laars
$100.90 each
In Stock
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Product Image of High-tension Lead 37" X, 10449519
High-tension Lead 37" X, 10449519
SKU: 10449519
Laars
SKU: 10449519
Brand: Laars
$27.03 each
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Product Image of Safety Limit Endurance, 2400-550
Safety Limit Endurance, 2400-550
SKU: 2400-550
Laars
SKU: 2400-550
Brand: Laars
$122.06 each
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Product Image of Wet End Pump Bearing Assembly, A2123420
Wet End Pump Bearing Assembly, A2123420
SKU: A2123420
Laars
SKU: A2123420
Brand: Laars
$768.08 each
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Product Image of #43 Natural Gas Orifice, L0032200
#43 Natural Gas Orifice, L0032200
SKU: L0032200
Laars
SKU: L0032200
Brand: Laars
$14.27 each
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Product Image of Switch, Pressure, Air/gas, 0.15” Set Point, E2334900
$37.40 each
In Stock
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Product Image of Gasket for Ignitor, RW2013300
Gasket for Ignitor, RW2013300
SKU: RW2013300
Laars
SKU: RW2013300
Brand: Laars
$76.84 each
In Stock
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Product Image of 2 Stage Liquid Propane Gas Valve, V0079100
2 Stage Liquid Propane Gas Valve, V0079100
SKU: V0079100
Laars
SKU: V0079100
Brand: Laars
(1)
$378.88 each
In Stock
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Product Image of Rollout Switch, 20430400
Rollout Switch, 20430400
SKU: 20430400
Laars
SKU: 20430400
Brand: Laars
$39.77 each
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Product Image of LT Series 199,000 BTU Ultra Low NOx Tankless Residential Water Heater (Propane)
$1,453.58 each
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Product Image of JX-100 84,000 BTU Output Mini-Therm Gas-Fired Hydronic Boiler w/ Pump (5,001-8,000 FT)
$2,843.44 each
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Product Image of Mascot FT Fan, FT1406
Mascot FT Fan, FT1406
SKU: FT1406
Laars
SKU: FT1406
Brand: Laars
$169.95 each
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Product Image of Combination NG Valve, 24V, R0384700
Combination NG Valve, 24V, R0384700
SKU: R0384700
Laars
SKU: R0384700
Brand: Laars
$900.71 each
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Product Image of Hardware Kit, Combustion Chamber, R2002200
Hardware Kit, Combustion Chamber, R2002200
SKU: R2002200
Laars
SKU: R2002200
Brand: Laars
$67.38 each
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Product Image of 115/230V Primary 24V Secondary 50VA Transformer, RE2444000
$107.93 each
In Stock
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Product Image of Gas Valve Replacement, RFT1416
Gas Valve Replacement, RFT1416
SKU: RFT1416
Laars
SKU: RFT1416
Brand: Laars
$190.95 each
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Product Image of 3/4" Natural Gas Valve, 24V, RV2001900
3/4" Natural Gas Valve, 24V, RV2001900
SKU: RV2001900
Laars
SKU: RV2001900
Brand: Laars
$1,201.29 each
In Stock
Get 2 by Fri, Jun 12
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Product Image of Flow Sensor, 2400-556
Flow Sensor, 2400-556
SKU: 2400-556
Laars
SKU: 2400-556
Brand: Laars
$164.01 each
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Product Image of Damper, Duct Assembly, Blower, 15C5400
Damper, Duct Assembly, Blower, 15C5400
SKU: 15C5400
Laars
SKU: 15C5400
Brand: Laars
$232.29 each
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Product Image of FILTER AIR INLET 14x14, A2121700
FILTER AIR INLET 14x14, A2121700
SKU: A2121700
Laars
SKU: A2121700
Brand: Laars
$273.57 each
In Stock
Get 2 by Thu, Jun 11
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Product Image of Flame Detector Sensor Bk, FT1669
Flame Detector Sensor Bk, FT1669
SKU: FT1669
Laars
SKU: FT1669
Brand: Laars
$27.43 each
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Product Image of DHW Inlet Pipe Assembly, FT2113
DHW Inlet Pipe Assembly, FT2113
SKU: FT2113
Laars
SKU: FT2113
Brand: Laars
$37.45 each
In Stock
Get 2 by Wed, Jun 10
In Stock
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Product Image of Brass Adaptor for FT Series Combination Boiler, FT3118
$72.75 each
Out of Stock
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Product Image of 3/4" Brass Plug for FT Series Combination Boiler, FT3119
$36.40 each
Out of Stock
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Product Image of 2 Stage Temperature Control, E2106900
2 Stage Temperature Control, E2106900
SKU: E2106900
Laars
SKU: E2106900
Brand: Laars
$757.24 each
Backorder
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Product Image of High Limit, Manual Reset, E2217800
High Limit, Manual Reset, E2217800
SKU: E2217800
Laars
SKU: E2217800
Brand: Laars
$360.61 each
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Get it by Wed, Jul 8 - Wed, Aug 5
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Product Image of LT Series 199,000 BTU Ultra Low NOx Tankless Residential Water Heater with Recirculation Pump (Natural Gas)
$1,693.62 each
In Stock
Get 13 by Mon, Jun 15 - Wed, Jun 17
In Stock
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Product Image of Low Water Cut Out, R0021901
Low Water Cut Out, R0021901
SKU: R0021901
Laars
SKU: R0021901
Brand: Laars
$626.40 each
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Product Image of 24V 1-Stage Gas Valve, R0095900
24V 1-Stage Gas Valve, R0095900
SKU: R0095900
Laars
SKU: R0095900
Brand: Laars
$218.90 each
In Stock
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Product Image of Natural Gas Pilot Burner Assembly, R0096000
Natural Gas Pilot Burner Assembly, R0096000
SKU: R0096000
Laars
SKU: R0096000
Brand: Laars
$173.88 each
In Stock
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Product Image of Insulator Lead Kit, R10418816
Insulator Lead Kit, R10418816
SKU: R10418816
Laars
SKU: R10418816
Brand: Laars
$97.45 each
In Stock
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Product Image of High Tension Lead 15" XH, R10449513
High Tension Lead 15" XH, R10449513
SKU: R10449513
Laars
SKU: R10449513
Brand: Laars
$8.79 each
Out of Stock
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Product Image of Condensate Trap Assembly, R50D4020
Condensate Trap Assembly, R50D4020
SKU: R50D4020
Laars
SKU: R50D4020
Brand: Laars
$300.21 each
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Product Image of Gasket, Blower/ Fan Outlet, S2105400
Gasket, Blower/ Fan Outlet, S2105400
SKU: S2105400
Laars
SKU: S2105400
Brand: Laars
$7.75 each
In Stock
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Product Image of Anti-Condensing Valve, 2400-538
Anti-Condensing Valve, 2400-538
SKU: 2400-538
Laars
SKU: 2400-538
Brand: Laars
(1)
$462.94 each
In Stock
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Product Image of Harness, Control Panel, #3, E2308000
Harness, Control Panel, #3, E2308000
SKU: E2308000
Laars
SKU: E2308000
Brand: Laars
$59.62 each
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Product Image of Outdoor Temp. Sensor, FT1501
Outdoor Temp. Sensor, FT1501
SKU: FT1501
Laars
SKU: FT1501
Brand: Laars
$100.36 each
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Product Image of Flame Sensor, W0043300
Flame Sensor, W0043300
SKU: W0043300
Laars
SKU: W0043300
Brand: Laars
$22.26 each
Out of Stock
Get it by Tue, Jun 23 - Tue, Jun 30
Out of Stock
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Product Image of Low Water Cut-out, RE2076500
Low Water Cut-out, RE2076500
SKU: RE2076500
Laars
SKU: RE2076500
Brand: Laars
$557.19 each
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Product Image of Blower Gasket W/fasteners, RS2107500
Blower Gasket W/fasteners, RS2107500
SKU: RS2107500
Laars
SKU: RS2107500
Brand: Laars
$70.83 each
In Stock
Get 2 by Thu, Jun 11
In Stock
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Product Image of Header Gaskets (18), R0050800
Header Gaskets (18), R0050800
SKU: R0050800
Laars
SKU: R0050800
Brand: Laars
$88.33 each
In Stock
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Product Image of Ignition Module Replacement, R0491300
Ignition Module Replacement, R0491300
SKU: R0491300
Laars
SKU: R0491300
Brand: Laars
$237.95 each
In Stock
Get 1 by Tomorrow, Jun 9
In Stock
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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.