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Boiler (139)
Boiler Part (2433)
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Gas Valve (1)
Ignitor (12)
Miscellaneous (22)
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Control Board (1)
Control Module (2)
Flame Sensor (2)

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$1 to $5 (58)
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$30 to $35 (87)
$35 to $40 (74)
$40 to $45 (77)

Laars

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Product Image of Pennant Burner, L0063300
Pennant Burner, L0063300
SKU: L0063300
Laars
SKU: L0063300
Brand: Laars
(1)
$74.01 each
In Stock
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Product Image of Temperature Control Sensor Kit, R2014800
Temperature Control Sensor Kit, R2014800
SKU: R2014800
Laars
SKU: R2014800
Brand: Laars
(1)
$134.50 each
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Product Image of Pump Housing & Gasket, R20607600
Pump Housing & Gasket, R20607600
SKU: R20607600
Laars
SKU: R20607600
Brand: Laars
$1,270.59 each
Out of Stock
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Product Image of Time Delay Relay (24V, 15A), RE2077700
Time Delay Relay (24V, 15A), RE2077700
SKU: RE2077700
Laars
SKU: RE2077700
Brand: Laars
(1)
$153.98 each
In Stock
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Product Image of Diagnostic Board, RE2105500
Diagnostic Board, RE2105500
SKU: RE2105500
Laars
SKU: RE2105500
Brand: Laars
$578.05 each
In Stock
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Product Image of PCB Control, RE2344301
PCB Control, RE2344301
SKU: RE2344301
Laars
SKU: RE2344301
Brand: Laars
$306.84 each
In Stock
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Product Image of JX-100 84,000 BTU Output Mini-Therm Gas-Fired Hydronic Boiler w/ Pump (0-2,000 FT)
$2,544.48 each
In Stock
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Product Image of 2-Stage Natural Gas Valve, R0407700
2-Stage Natural Gas Valve, R0407700
SKU: R0407700
Laars
SKU: R0407700
Brand: Laars
(2)
$391.78 each
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Product Image of Front Refractory Tile, RT2109001
Front Refractory Tile, RT2109001
SKU: RT2109001
Laars
SKU: RT2109001
Brand: Laars
$111.28 each
In Stock
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Product Image of MFTHW140, 129,000 BTU Output FT Series High Efficiency Wall Mount Heat Only Boiler (NG/LP)
$2,590.04 each
In Stock
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Product Image of High Limit Aquastat w/ Manual Reset, RE0015900
High Limit Aquastat w/ Manual Reset, RE0015900
SKU: RE0015900
Laars
SKU: RE0015900
Brand: Laars
$266.66 each
In Stock
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Product Image of Control Board, R2080607
Control Board, R2080607
SKU: R2080607
Laars
SKU: R2080607
Brand: Laars
$276.67 each
In Stock
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Product Image of Inlet Water Temperature Sensor 1/4 NPT, RE2320600
$98.69 each
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Product Image of Seal Kit, Pump, A2123409
Seal Kit, Pump, A2123409
SKU: A2123409
Laars
SKU: A2123409
Brand: Laars
$101.16 each
In Stock
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Product Image of Control Board, R2080601
Control Board, R2080601
SKU: R2080601
Laars
SKU: R2080601
Brand: Laars
$381.11 each
In Stock
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Product Image of Burner w/ Pilot Bracket, L0056500
Burner w/ Pilot Bracket, L0056500
SKU: L0056500
Laars
SKU: L0056500
Brand: Laars
$51.88 each
In Stock
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Product Image of Thermocouple Replacement, W0036500
Thermocouple Replacement, W0036500
SKU: W0036500
Laars
SKU: W0036500
Brand: Laars
(5)
$35.03 each
In Stock
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Product Image of Laars Manifold For Combi Boiler FTCW 140/199, P2134400
$462.14 each
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Product Image of Ignition Rod Assembly FT2118
Ignition Rod Assembly FT2118
SKU: FT2118
Laars
SKU: FT2118
Brand: Laars
$51.22 each
In Stock
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Product Image of Flow Switch Replacement, R2008400
Flow Switch Replacement, R2008400
SKU: R2008400
Laars
SKU: R2008400
Brand: Laars
(1)
$319.49 each
In Stock
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Product Image of Mascot FT/ST Cascade Communication Cable, FT1861
$16.25 each
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Product Image of DHW Flat Plate Heat Exchanger for Endurance EBP Series, with Gasket, 2400-570
$469.04 each
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Product Image of Flame Sensor, RW2014900
Flame Sensor, RW2014900
SKU: RW2014900
Laars
SKU: RW2014900
Brand: Laars
$178.13 each
In Stock
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Product Image of Combination Gas Valve, NG, V0079400
Combination Gas Valve, NG, V0079400
SKU: V0079400
Laars
SKU: V0079400
Brand: Laars
$181.20 each
In Stock
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Product Image of 1/4" Pilot Valve 24V (NG/LP), W0019300
1/4" Pilot Valve 24V (NG/LP), W0019300
SKU: W0019300
Laars
SKU: W0019300
Brand: Laars
(1)
$163.99 each
In Stock
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Product Image of Control Board, JX, R2087801
Control Board, JX, R2087801
SKU: R2087801
Laars
SKU: R2087801
Brand: Laars
(2)
$259.74 each
In Stock
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Product Image of JX-50 42,000 BTU Output Mini-Therm Gas-Fired Hydronic Boiler w/ Pump (0-2,000 FT)
$2,180.28 each
In Stock
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Product Image of Pilot Burner Assembly, R2085500
Pilot Burner Assembly, R2085500
SKU: R2085500
Laars
SKU: R2085500
Brand: Laars
$393.87 each
In Stock
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Product Image of 182,000 BTU Output FT Series High Efficiency, Floor Standing Combi Boiler Fire Tube Boiler (NG or LP)
$5,059.78 each
In Stock
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Product Image of Transformer, 120-24V, 40VA, R0021300
Transformer, 120-24V, 40VA, R0021300
SKU: R0021300
Laars
SKU: R0021300
Brand: Laars
(2)
$149.32 each
In Stock
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Product Image of UP26-99F, Circulator Pump, 1/6 HP, 115 volt, 2400-386
$831.19 each
In Stock
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Product Image of Low Loss Header Kit, CA019600
Low Loss Header Kit, CA019600
SKU: CA019600
Laars
SKU: CA019600
Brand: Laars
$520.71 each
In Stock
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Product Image of 3 Way Valve Assembly, FT2108
3 Way Valve Assembly, FT2108
SKU: FT2108
Laars
SKU: FT2108
Brand: Laars
$70.83 each
In Stock
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Product Image of HSI Ignitor w/ Gaskets, R0317200
HSI Ignitor w/ Gaskets, R0317200
SKU: R0317200
Laars
SKU: R0317200
Brand: Laars
(2)
$119.65 each
In Stock
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Product Image of Flange Gasket Replacement, S0076500
Flange Gasket Replacement, S0076500
SKU: S0076500
Laars
SKU: S0076500
Brand: Laars
$16.27 each
In Stock
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Product Image of Rear Refractory Tile, R50D2021
Rear Refractory Tile, R50D2021
SKU: R50D2021
Laars
SKU: R50D2021
Brand: Laars
$112.43 each
In Stock
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Product Image of Pressure Switch 1.05" WC, PR-V, R2076600
Pressure Switch 1.05" WC, PR-V, R2076600
SKU: R2076600
Laars
SKU: R2076600
Brand: Laars
$91.74 each
In Stock
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Product Image of Main Burner Kit - 10 Pack, RL0052300
Main Burner Kit - 10 Pack, RL0052300
SKU: RL0052300
Laars
SKU: RL0052300
Brand: Laars
$176.42 each
In Stock
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Product Image of Natural Gas Pilot Assembly, RW2001800
Natural Gas Pilot Assembly, RW2001800
SKU: RW2001800
Laars
SKU: RW2001800
Brand: Laars
$245.57 each
In Stock
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Product Image of Pump Housing Gasket, S0024600
Pump Housing Gasket, S0024600
SKU: S0024600
Laars
SKU: S0024600
Brand: Laars
(1)
$44.75 each
In Stock
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Product Image of Ignitor Spark MGT, RW2014100
Ignitor Spark MGT, RW2014100
SKU: RW2014100
Laars
SKU: RW2014100
Brand: Laars
$239.16 each
In Stock
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Product Image of Water Flow Switch, 30-663
Water Flow Switch, 30-663
SKU: 30-663
Laars
SKU: 30-663
Brand: Laars
$164.54 each
Out of Stock
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Product Image of 75 Gallon Laars-Stor Single-Wall Indirect Water Heater LS-SW-2-80-L
$2,375.47 each
In Stock
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Product Image of Flame Detector Sensor, FT1327
Flame Detector Sensor, FT1327
SKU: FT1327
Laars
SKU: FT1327
Brand: Laars
$43.28 each
In Stock
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Product Image of 24V Natural Gas Valve (1/2" x 3/4"), R0059100
24V Natural Gas Valve (1/2" x 3/4"), R0059100
SKU: R0059100
Laars
SKU: R0059100
Brand: Laars
(3)
$409.02 each
In Stock
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Product Image of Combustion Air Blower for NTH/NTV 399-500, RA2113100
$1,556.66 each
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Product Image of Ignition Module 4secTFI, RE2107300
Ignition Module 4secTFI, RE2107300
SKU: RE2107300
Laars
SKU: RE2107300
Brand: Laars
$563.84 each
In Stock
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Product Image of High-Tension Lead 25" ZH, R10449514
High-Tension Lead 25" ZH, R10449514
SKU: R10449514
Laars
SKU: R10449514
Brand: Laars
$23.53 each
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.