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Boiler (139)
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Laars

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Product Image of Media Filter, R2073200
Media Filter, R2073200
SKU: R2073200
Laars
SKU: R2073200
Brand: Laars
$78.76 each
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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
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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)
$2,673.54 each
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Product Image of 50 Gallon Laars-Stor Stainless Steel Single-Wall Indirect Water Heater
$3,152.14 each
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Product Image of Natural Gas Pilot Assembly, W0040900
Natural Gas Pilot Assembly, W0040900
SKU: W0040900
Laars
SKU: W0040900
Brand: Laars
(2)
$97.97 each
In Stock
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Product Image of JX-75 63,000 BTU Output Mini-Therm Gas-Fired Hydronic Boiler w/ Pump (0-2,000 FT)
$2,326.12 each
In Stock
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Product Image of Pilot Assembly, R20607400
Pilot Assembly, R20607400
SKU: R20607400
Laars
SKU: R20607400
Brand: Laars
$280.50 each
In Stock
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Product Image of Control Module (600/750 NT Mods), RXD7207
Control Module (600/750 NT Mods), RXD7207
SKU: RXD7207
Laars
SKU: RXD7207
Brand: Laars
$743.16 each
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Product Image of LT Series 199,000 BTU Ultra Low NOx Tankless Residential Water Heater (Natural Gas)
$1,425.08 each
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Product Image of Inducer Blower Assembly, RE0254000
Inducer Blower Assembly, RE0254000
SKU: RE0254000
Laars
SKU: RE0254000
Brand: Laars
$579.46 each
In Stock
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Product Image of 1-Stage Spark Ignition Natural Gas Valve, R0385100
$275.92 each
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Product Image of Mascot System Sensor, FT1868
Mascot System Sensor, FT1868
SKU: FT1868
Laars
SKU: FT1868
Brand: Laars
$71.66 each
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Product Image of Low Gas Pressure Switch, R2004100
Low Gas Pressure Switch, R2004100
SKU: R2004100
Laars
SKU: R2004100
Brand: Laars
$277.56 each
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Product Image of 3-Position Toggle Switch, Mighty Therm, R2007700
$102.30 each
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Product Image of Gas Valve Replacement, 2400-548
Gas Valve Replacement, 2400-548
SKU: 2400-548
Laars
SKU: 2400-548
Brand: Laars
$340.09 each
In Stock
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Product Image of 5/8" Gasket Kit (20pcs), R0050801
5/8" Gasket Kit (20pcs), R0050801
SKU: R0050801
Laars
SKU: R0050801
Brand: Laars
$80.38 each
In Stock
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Product Image of Air Inlet Filter, R2004500
Air Inlet Filter, R2004500
SKU: R2004500
Laars
SKU: R2004500
Brand: Laars
$268.77 each
In Stock
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Product Image of 24V DPNO Lockout Relay, E0088400
24V DPNO Lockout Relay, E0088400
SKU: E0088400
Laars
SKU: E0088400
Brand: Laars
(2)
$74.22 each
In Stock
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Product Image of 182,000 BTU Output FT Series High Efficiency, Floor Standing Heat Only Fire Tube Boiler (NG or LP)
$4,566.86 each
In Stock
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Product Image of 3-Cell Burner Door Gasket, R2069400
3-Cell Burner Door Gasket, R2069400
SKU: R2069400
Laars
SKU: R2069400
Brand: Laars
$75.00 each
In Stock
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Product Image of Tank Supply Endurance, Sensor, 2400-445
Tank Supply Endurance, Sensor, 2400-445
SKU: 2400-445
Laars
SKU: 2400-445
Brand: Laars
$195.05 each
In Stock
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Product Image of Ventor Motor Assembly
Ventor Motor Assembly
SKU: 2400-524
Laars
SKU: 2400-524
Brand: Laars
(2)
$750.07 each
In Stock
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Product Image of Ignition Module Replacement, E2102800
Ignition Module Replacement, E2102800
SKU: E2102800
Laars
SKU: E2102800
Brand: Laars
(1)
$282.59 each
In Stock
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Product Image of Mixing Valve, FT2114
Mixing Valve, FT2114
SKU: FT2114
Laars
SKU: FT2114
Brand: Laars
$108.77 each
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Product Image of Burner Gasket, R2002400
Burner Gasket, R2002400
SKU: R2002400
Laars
SKU: R2002400
Brand: Laars
$85.18 each
In Stock
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Product Image of Gas Valve DUNGS, GB-ND 057, V2019600
Gas Valve DUNGS, GB-ND 057, V2019600
SKU: V2019600
Laars
SKU: V2019600
Brand: Laars
$765.47 each
In Stock
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Product Image of Limit Switch, 140/240F, R0061300
Limit Switch, 140/240F, R0061300
SKU: R0061300
Laars
SKU: R0061300
Brand: Laars
$174.10 each
In Stock
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Product Image of Ignitor Gasket, FT1316
Ignitor Gasket, FT1316
SKU: FT1316
Laars
SKU: FT1316
Brand: Laars
$46.77 each
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Product Image of Display, Touch Control, E2339800
Display, Touch Control, E2339800
SKU: E2339800
Laars
SKU: E2339800
Brand: Laars
$1,399.08 each
In Stock
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Product Image of Pressure Switch Replacement, 2400-228
Pressure Switch Replacement, 2400-228
SKU: 2400-228
Laars
SKU: 2400-228
Brand: Laars
(1)
$102.32 each
In Stock
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Product Image of Burner Gasket, RS2108500
Burner Gasket, RS2108500
SKU: RS2108500
Laars
SKU: RS2108500
Brand: Laars
$69.33 each
Backorder
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Product Image of Liquid Propane Pilot Assembly, W0039600
Liquid Propane Pilot Assembly, W0039600
SKU: W0039600
Laars
SKU: W0039600
Brand: Laars
$82.17 each
In Stock
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Product Image of Thermistor Probe, E0253900
Thermistor Probe, E0253900
SKU: E0253900
Laars
SKU: E0253900
Brand: Laars
$63.33 each
In Stock
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Product Image of Pump Assembly, FT2073
Pump Assembly, FT2073
SKU: FT2073
Laars
SKU: FT2073
Brand: Laars
$611.91 each
Backorder
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Product Image of Combustion Air Blower for NeoTherm 600-850, RA2108500
$2,172.86 each
In Stock
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Product Image of Neotherm Module Replacement Kit, RTXD7109
Neotherm Module Replacement Kit, RTXD7109
SKU: RTXD7109
Laars
SKU: RTXD7109
Brand: Laars
$713.08 each
In Stock
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Product Image of Blocked Vent Switch, R2061100
Blocked Vent Switch, R2061100
SKU: R2061100
Laars
SKU: R2061100
Brand: Laars
$117.59 each
In Stock
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Product Image of JX-75 63,000 BTU Output Mini-Therm Gas-Fired Hydronic Boiler (0-2,000 FT)
$2,464.77 each
In Stock
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Product Image of JX-200 168,000 BTU Output Mini-Therm Gas-Fired Hydronic Boiler w/ Low Loss Header & Pump Assembly (0-2,000 FT)
$3,348.00 each
In Stock
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Product Image of Outlet Sensor, E2366900
Outlet Sensor, E2366900
SKU: E2366900
Laars
SKU: E2366900
Brand: Laars
$132.28 each
Backorder
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Product Image of Control Board, R2089800
Control Board, R2089800
SKU: R2089800
Laars
SKU: R2089800
Brand: Laars
$1,139.43 each
In Stock
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Product Image of Ignition Control, 24V, 2400-441
Ignition Control, 24V, 2400-441
SKU: 2400-441
Laars
SKU: 2400-441
Brand: Laars
$507.41 each
In Stock
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Product Image of Ignition Control Module, R0011900
Ignition Control Module, R0011900
SKU: R0011900
Laars
SKU: R0011900
Brand: Laars
(2)
$196.52 each
In Stock
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Product Image of 75PSI Pressure Relief Valve, RA2138700
75PSI Pressure Relief Valve, RA2138700
SKU: RA2138700
Laars
SKU: RA2138700
Brand: Laars
(1)
$153.66 each
In Stock
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Product Image of Air Pressure Switch For Mascot FT MFTCF140, MFTCW140, MFTCF140, MFTCW140, FT1015
$72.93 each
In Stock
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Product Image of Outdoor Air Temperature Sensor, CA005400
Outdoor Air Temperature Sensor, CA005400
SKU: CA005400
Laars
SKU: CA005400
Brand: Laars
$71.26 each
In Stock
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Product Image of 24V Single Try Ignition Module, E2305400
24V Single Try Ignition Module, E2305400
SKU: E2305400
Laars
SKU: E2305400
Brand: Laars
$295.81 each
In Stock
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Product Image of Dual Pipe to Concentric Appliance Adaptor, FT3006
Dual Pipe to Concentric Appliance Adaptor, FT3006
SKU: FT3006
Laars
SKU: FT3006
Brand: Laars
$450.02 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.