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Boiler (201)
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Commercial Heater (28)

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$5 to $10 (8)
$10 to $15 (22)
$15 to $20 (36)
$20 to $25 (48)
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$40 to $45 (33)
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$50 to $60 (66)

Lochinvar

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Product Image of Kit, Heat Exchanger Top Plate, 100173754
$280.98 each
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Product Image of Gas Valve Assembly Natural & LP, 100189393
$678.28 each
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Product Image of Kit, Manifold Gasket, 100191014
Kit, Manifold Gasket, 100191014
SKU: 100191014
Lochinvar
SKU: 100191014
Brand: Lochinvar
$377.73 each
In Stock
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Product Image of Gasket, Pump Flange, 100208111
Gasket, Pump Flange, 100208111
SKU: 100208111
Lochinvar
SKU: 100208111
Brand: Lochinvar
$33.80 each
In Stock
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Product Image of Control Keypad, 100208484
Control Keypad, 100208484
SKU: 100208484
Lochinvar
SKU: 100208484
Brand: Lochinvar
$412.63 each
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Product Image of Sensor, Flue, 100208564
Sensor, Flue, 100208564
SKU: 100208564
Lochinvar
SKU: 100208564
Brand: Lochinvar
$74.66 each
In Stock
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Product Image of 70" Spark Electrode, 100208624
70" Spark Electrode, 100208624
SKU: 100208624
Lochinvar
SKU: 100208624
Brand: Lochinvar
$74.36 each
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Product Image of Heat Exchanger, H, 100147317
Heat Exchanger, H, 100147317
SKU: 100147317
Lochinvar
SKU: 100147317
Brand: Lochinvar
$11,993.13 each
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Product Image of Heat Exchanger for CB 399, 100147677
Heat Exchanger for CB 399, 100147677
SKU: 100147677
Lochinvar
SKU: 100147677
Brand: Lochinvar
$3,815.65 each
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Product Image of Jacket, Outer Front Upper Middle, 100151255
$240.79 each
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Product Image of Air Metering Valve, 100161837
Air Metering Valve, 100161837
SKU: 100161837
Lochinvar
SKU: 100161837
Brand: Lochinvar
$1,153.33 each
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Product Image of Natural Gas Pilot Assembly, PRN075G, 100165787
$98.80 each
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Product Image of Integrated Control High Altitude SNA400, 100167761
$742.83 each
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Product Image of Control Board, KB400, PRE-H10, 100167793
$645.76 each
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Product Image of Integrated Control Prior to H10, 100167795
$985.64 each
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Product Image of LWCO, Air Vent Auto, Outlet, 100314827
LWCO, Air Vent Auto, Outlet, 100314827
SKU: 100314827
Lochinvar
SKU: 100314827
Brand: Lochinvar
$300.41 each
In Stock
Get 9 by Wed, Jun 10
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Product Image of Maintenance Kit, 100319597
Maintenance Kit, 100319597
SKU: 100319597
Lochinvar
SKU: 100319597
Brand: Lochinvar
$326.56 each
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Product Image of 65,000 BTU Output Two Stage Spark Ignition Solution Boiler (Nat Gas)
$2,634.13 each
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Product Image of 387,000 BTU Output Knight XL High Efficiency Boiler (NG)
$13,040.48 each
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Product Image of Neutralizer Kit, All, KIT30097
Neutralizer Kit, All, KIT30097
SKU: KIT30097
Lochinvar
SKU: KIT30097
Brand: Lochinvar
$442.32 each
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Product Image of 1" NPT x 48" Long Anode Rod, WTR2502
$147.05 each
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Product Image of 110 Gallon - 285,000 BTU Shield ASME Commercial Water Heater (Nat Gas)
$17,705.61 each
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Product Image of 90 Gallon - 150,000 BTU Shield Commercial Water Heater (Nat Gas)
$12,543.37 each
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Get 1 by Thu, Jun 11 - Mon, Jun 15
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Product Image of 44,000 BTU Output Knight High Efficiency Boiler w/ Fire Tube Heat Exchanger (Wall Mount) (NG)
$3,929.42 each
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Product Image of Gasket Kit, 100146605
Gasket Kit, 100146605
SKU: 100146605
Lochinvar
SKU: 100146605
Brand: Lochinvar
$727.88 each
In Stock
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Product Image of Gas Valve Harness, 100173314
Gas Valve Harness, 100173314
SKU: 100173314
Lochinvar
SKU: 100173314
Brand: Lochinvar
$148.73 each
In Stock
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Product Image of Air Pressure Switch Replacement, 100208391
$162.42 each
In Stock
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Product Image of 1" x 2.4" Replacement Paddle, 100208657
1" x 2.4" Replacement Paddle, 100208657
SKU: 100208657
Lochinvar
SKU: 100208657
Brand: Lochinvar
$15.83 each
In Stock
Get 1 by Wed, Jun 10
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Product Image of NG Gas Valve Spark Ignition, 100277814
NG Gas Valve Spark Ignition, 100277814
SKU: 100277814
Lochinvar
SKU: 100277814
Brand: Lochinvar
$458.63 each
In Stock
Get 1 by Tue, Jun 9
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Product Image of Pilot and Burner Assembly LP Conversion Kit for NKC/NCF-110-L, 100346278
$301.04 each
Out of Stock
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Product Image of Main Control Board (beginning Serial #1738), 100286877
$720.19 each
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Product Image of Gasket, Flue Adapter, 80 Mm, 100287212
Gasket, Flue Adapter, 80 Mm, 100287212
SKU: 100287212
Lochinvar
SKU: 100287212
Brand: Lochinvar
$64.82 each
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Get it by Wed, Jul 8 - Wed, Aug 5
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Product Image of Pressure Switch, 4.1"WC, 100289699
Pressure Switch, 4.1"WC, 100289699
SKU: 100289699
Lochinvar
SKU: 100289699
Brand: Lochinvar
$49.99 each
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Get it by Wed, Jul 8 - Wed, Aug 5
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Product Image of 1-1/4" Copper Water Outlet Tube, 100290113
$239.83 each
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Product Image of Flue Damper - 8”, 100290325
Flue Damper - 8”, 100290325
SKU: 100290325
Lochinvar
SKU: 100290325
Brand: Lochinvar
$365.81 each
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Get it by Wed, Jul 8 - Wed, Aug 5
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Product Image of Burner w/ Gasket, 100135263
Burner w/ Gasket, 100135263
SKU: 100135263
Lochinvar
SKU: 100135263
Brand: Lochinvar
$1,839.07 each
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Get it by Wed, Jul 8 - Wed, Aug 5
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Product Image of Burner Replacement Kit 1435/1440, 100135295
$1,573.42 each
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Product Image of Heat Tile, Front Head Side, 100233555
Heat Tile, Front Head Side, 100233555
SKU: 100233555
Lochinvar
SKU: 100233555
Brand: Lochinvar
$94.25 each
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Get it by Wed, Jul 8 - Wed, Aug 5
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Product Image of Gasket, Gas / Air Arm, 100233673
Gasket, Gas / Air Arm, 100233673
SKU: 100233673
Lochinvar
SKU: 100233673
Brand: Lochinvar
$97.92 each
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Product Image of CON-X-US Bracket Kit for WH Boilers, 100265397
$93.60 each
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Product Image of Venturi, Natural , 100275540
Venturi, Natural , 100275540
SKU: 100275540
Lochinvar
SKU: 100275540
Brand: Lochinvar
$118.92 each
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Get it by Wed, Jul 8 - Wed, Aug 5
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Product Image of Adapter, Gas Valve w/ Gasket, 100276451
Adapter, Gas Valve w/ Gasket, 100276451
SKU: 100276451
Lochinvar
SKU: 100276451
Brand: Lochinvar
$49.39 each
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Product Image of Modbus Interface Board-mtr-01, 100277771
$490.29 each
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Product Image of Gasket, Fan, 100277796
Gasket, Fan, 100277796
SKU: 100277796
Lochinvar
SKU: 100277796
Brand: Lochinvar
$75.58 each
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Product Image of Interface Control, 100277816
Interface Control, 100277816
SKU: 100277816
Lochinvar
SKU: 100277816
Brand: Lochinvar
$218.88 each
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Product Image of Fluted Knob w/ Skirt, 100277824
Fluted Knob w/ Skirt, 100277824
SKU: 100277824
Lochinvar
SKU: 100277824
Brand: Lochinvar
$13.75 each
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Product Image of Hex Access Door, WH, 100173753
Hex Access Door, WH, 100173753
SKU: 100173753
Lochinvar
SKU: 100173753
Brand: Lochinvar
$304.82 each
Out of Stock
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Product Image of Integrated Control Board - High Altitude, 100189285
$890.39 each
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More About Lochinvar
Lochinvar's history dates back to 1919 when founder Walter Vallett, Sr. entered into the water heater business. Mr. Vallett was a true industry pioneer, and was instrumental in the development of the first automatic gas-fired water heaters early in his career. In 1946 he founded the Walter Vallett Company, which later became the Lochinvar Water Heater Corporation.