Apply to be a TradeMaster!
Filter menu expanded

Filters

2,127 items
Reset

SORT

Product Availability

Show In Stock Only (701)

Product Type

Boiler (201)
Boiler Control (13)
Boiler Part (1758)
Boiler Venting (2)
Bracket (3)
Buffer Tank (12)
Burner (1)
Burner Part (1)
Cable (1)
Commercial Heater (28)

Price Range

$5 to $10 (8)
$10 to $15 (22)
$15 to $20 (36)
$20 to $25 (48)
$25 to $30 (39)
$30 to $35 (37)
$35 to $40 (41)
$40 to $45 (33)
$45 to $50 (43)
$50 to $60 (66)

Lochinvar

Help Face
Need a little help?
2127 items
Grid
List
Compare
Product Image of Heating Element, 100063315
Heating Element, 100063315
SKU: 100063315
Lochinvar
SKU: 100063315
Brand: Lochinvar
(1)
$39.83 each
In Stock
Get 6 by Wed, Jun 10
In Stock
Get 6 by Wed, Jun 10
Compare
Product Image of 2" Flange Gasket, 100208100
2" Flange Gasket, 100208100
SKU: 100208100
Lochinvar
SKU: 100208100
Brand: Lochinvar
$20.35 each
In Stock
Get 6 by Wed, Jun 10
In Stock
Get 6 by Wed, Jun 10
Compare
Product Image of Switch, Pressure, 100275596
Switch, Pressure, 100275596
SKU: 100275596
Lochinvar
SKU: 100275596
Brand: Lochinvar
$33.95 each
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Compare
Product Image of Connection Board, 100208475
Connection Board, 100208475
SKU: 100208475
Lochinvar
SKU: 100208475
Brand: Lochinvar
$166.87 each
In Stock
Get 1 by Tue, Jun 9
In Stock
Get 1 by Tue, Jun 9
Compare
Product Image of .27" WC SPDT Pressure Switch, 100166242
.27" WC SPDT Pressure Switch, 100166242
SKU: 100166242
Lochinvar
SKU: 100166242
Brand: Lochinvar
$160.00 each
In Stock
Get 7 by Wed, Jun 10
In Stock
Get 7 by Wed, Jun 10
Compare
Product Image of Gasket, Burner, 100288892
Gasket, Burner, 100288892
SKU: 100288892
Lochinvar
SKU: 100288892
Brand: Lochinvar
$547.90 each
In Stock
Get 1 by Tue, Jun 9
In Stock
Get 1 by Tue, Jun 9
Compare
Product Image of Front Header Gasket, 100208106
Front Header Gasket, 100208106
SKU: 100208106
Lochinvar
SKU: 100208106
Brand: Lochinvar
$27.13 each
In Stock
Get 5 by Wed, Jun 10
In Stock
Get 5 by Wed, Jun 10
Compare
Product Image of Inlet Water Sensor, 100208565
Inlet Water Sensor, 100208565
SKU: 100208565
Lochinvar
SKU: 100208565
Brand: Lochinvar
$85.91 each
In Stock
Get 9 by Wed, Jun 10
In Stock
Get 9 by Wed, Jun 10
Compare
Product Image of 89,000 BTU Output Knight High Efficiency Boiler w/ Fire Tube Heat Exchanger (Wall Mount) (NG)
$4,467.80 each
In Stock
Get 4 by Thu, Jun 11 - Mon, Jun 15
In Stock
Get 4 by Thu, Jun 11 - Mon, Jun 15
Compare
Product Image of 80 Gallon Round Jacketed Glass Lined Tank, Vertical (150 psi)
$2,246.27 each
Out of Stock
Get it by Wed, Jun 24 - Fri, Jul 3
Out of Stock
Get it by Wed, Jun 24 - Fri, Jul 3
Compare
Product Image of Filter - 12" x 12" x 1", 100233577
Filter - 12" x 12" x 1", 100233577
SKU: 100233577
Lochinvar
SKU: 100233577
Brand: Lochinvar
$52.76 each
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Compare
Product Image of Integrated Control Board, 100167805
Integrated Control Board, 100167805
SKU: 100167805
Lochinvar
SKU: 100167805
Brand: Lochinvar
$610.01 each
In Stock
Get 5 by Wed, Jun 10
In Stock
Get 5 by Wed, Jun 10
Compare
Product Image of 28V Indicator Light, 100208306
28V Indicator Light, 100208306
SKU: 100208306
Lochinvar
SKU: 100208306
Brand: Lochinvar
$45.79 each
In Stock
Get 22 by Wed, Jun 10
In Stock
Get 22 by Wed, Jun 10
Compare
Product Image of CON-X-US Control Board, 100281368
CON-X-US Control Board, 100281368
SKU: 100281368
Lochinvar
SKU: 100281368
Brand: Lochinvar
(1)
$529.99 each
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Backorder
Get it by Wed, Jul 8 - Wed, Aug 5
Compare
Product Image of 113 Gallon, Squire SIT119 Indirect Water Heater
$4,125.64 each
In Stock
Get 5 by Thu, Jun 11 - Mon, Jun 15
In Stock
Get 5 by Thu, Jun 11 - Mon, Jun 15
Compare
Product Image of Burner Gasket, 100287092
Burner Gasket, 100287092
SKU: 100287092
Lochinvar
SKU: 100287092
Brand: Lochinvar
$22.74 each
In Stock
Get 2 by Wed, Jun 10
In Stock
Get 2 by Wed, Jun 10
Compare
Product Image of Air Shroud Gasket, 100233703
Air Shroud Gasket, 100233703
SKU: 100233703
Lochinvar
SKU: 100233703
Brand: Lochinvar
$34.83 each
In Stock
Get 2 by Wed, Jun 10
In Stock
Get 2 by Wed, Jun 10
Compare
Product Image of Gasket, Fan, 100288878
Gasket, Fan, 100288878
SKU: 100288878
Lochinvar
SKU: 100288878
Brand: Lochinvar
$45.36 each
In Stock
Get 2 by Wed, Jun 10
In Stock
Get 2 by Wed, Jun 10
Compare
Product Image of 125,000 BTU Output Knight High Efficiency Boiler w/ Fire Tube Heat Exchanger (Wall Mount) (NG)
$5,379.12 each
In Stock
Get 2 by Thu, Jun 11 - Mon, Jun 15
In Stock
Get 2 by Thu, Jun 11 - Mon, Jun 15
Compare
Product Image of SPDT Pressure Switch, .95" WC, 100166249
$157.28 each
In Stock
Get 1 by Tue, Jun 9
In Stock
Get 1 by Tue, Jun 9
Compare
Product Image of Main Control Board, 100346296
Main Control Board, 100346296
SKU: 100346296
Lochinvar
SKU: 100346296
Brand: Lochinvar
$315.05 each
In Stock
Get 1 by Tue, Jun 9
In Stock
Get 1 by Tue, Jun 9
Compare
Product Image of Gas Valve Replacement, 100172002
Gas Valve Replacement, 100172002
SKU: 100172002
Lochinvar
SKU: 100172002
Brand: Lochinvar
$663.39 each
In Stock
Get 5 by Wed, Jun 10
In Stock
Get 5 by Wed, Jun 10
Compare
Product Image of Outlet Sensor, 100208562
Outlet Sensor, 100208562
SKU: 100208562
Lochinvar
SKU: 100208562
Brand: Lochinvar
$98.09 each
In Stock
Get 16 by Wed, Jun 10
In Stock
Get 16 by Wed, Jun 10
Compare
Product Image of 1/4" NPT T-Stat Sensor Immersion Kit, 100208563
$110.77 each
In Stock
Get 11 by Wed, Jun 10
In Stock
Get 11 by Wed, Jun 10
Compare
Product Image of 4" Flue Gasket Kit, 100330219
4" Flue Gasket Kit, 100330219
SKU: 100330219
Lochinvar
SKU: 100330219
Brand: Lochinvar
$26.02 each
In Stock
Get 5 by Wed, Jun 10
In Stock
Get 5 by Wed, Jun 10
Compare
Product Image of 30 Gallon Glass Lined Hydronic Buffer Tank
$1,223.77 each
In Stock
Get 2 by Thu, Jun 11 - Mon, Jun 15
In Stock
Get 2 by Thu, Jun 11 - Mon, Jun 15
Compare
Product Image of Fan Assembly, 100144984
Fan Assembly, 100144984
SKU: 100144984
Lochinvar
SKU: 100144984
Brand: Lochinvar
$1,454.11 each
In Stock
Get 3 by Wed, Jun 10
In Stock
Get 3 by Wed, Jun 10
Compare
Product Image of Integrated Control Board, 100167769
Integrated Control Board, 100167769
SKU: 100167769
Lochinvar
SKU: 100167769
Brand: Lochinvar
(1)
$1,612.29 each
In Stock
Get 3 by Wed, Jun 10
In Stock
Get 3 by Wed, Jun 10
Compare
Product Image of NG to LP Conversion Kit for WHN156, 100285817
$104.50 each
In Stock
Get 1 by Tue, Jun 9
In Stock
Get 1 by Tue, Jun 9
Compare
Product Image of Limit Sensor Kit, Outlet, 100208550
Limit Sensor Kit, Outlet, 100208550
SKU: 100208550
Lochinvar
SKU: 100208550
Brand: Lochinvar
(1)
$117.51 each
In Stock
Get 7 by Wed, Jun 10
In Stock
Get 7 by Wed, Jun 10
Compare
Product Image of 199,000 BTU Noble Fire Tube High Efficiency Boiler (NG)
$3,376.33 each
In Stock
Get 2 by Thu, Jun 11 - Mon, Jun 15
In Stock
Get 2 by Thu, Jun 11 - Mon, Jun 15
Compare
Product Image of Burner Assembly w/ Gasket, 100135307
Burner Assembly w/ Gasket, 100135307
SKU: 100135307
Lochinvar
SKU: 100135307
Brand: Lochinvar
$391.66 each
In Stock
Get 2 by Wed, Jun 10
In Stock
Get 2 by Wed, Jun 10
Compare
Product Image of Burner with Compression Fitting, 100135316
$137.62 each
In Stock
Get 9 by Wed, Jun 10
In Stock
Get 9 by Wed, Jun 10
Compare
Product Image of Integrated Control Board, 100167865
Integrated Control Board, 100167865
SKU: 100167865
Lochinvar
SKU: 100167865
Brand: Lochinvar
$584.69 each
In Stock
Get 3 by Wed, Jun 10
In Stock
Get 3 by Wed, Jun 10
Compare
Product Image of Bypass Loop Pump, 100208413
Bypass Loop Pump, 100208413
SKU: 100208413
Lochinvar
SKU: 100208413
Brand: Lochinvar
$380.44 each
In Stock
Get 5 by Wed, Jun 10
In Stock
Get 5 by Wed, Jun 10
Compare
Product Image of Preventative Maintenance Service Kit for FTXL Fire Tube Boiler, FTXL725-850, 100320881
$776.41 each
Out of Stock
Get it by Tue, Jun 23 - Tue, Jun 30
Out of Stock
Get it by Tue, Jun 23 - Tue, Jun 30
Compare
Product Image of Gasket, Sight Glass, 100274751
Gasket, Sight Glass, 100274751
SKU: 100274751
Lochinvar
SKU: 100274751
Brand: Lochinvar
$18.33 each
In Stock
Get 1 by Wed, Jun 10
In Stock
Get 1 by Wed, Jun 10
Compare
Product Image of Insulation, Top Plate, 100275586
Insulation, Top Plate, 100275586
SKU: 100275586
Lochinvar
SKU: 100275586
Brand: Lochinvar
$145.75 each
In Stock
Get 9 by Wed, Jun 10
In Stock
Get 9 by Wed, Jun 10
Compare
Product Image of 175 Degrees High Limit, 100148403
175 Degrees High Limit, 100148403
SKU: 100148403
Lochinvar
SKU: 100148403
Brand: Lochinvar
$76.05 each
In Stock
Get 4 by Wed, Jun 10
In Stock
Get 4 by Wed, Jun 10
Compare
Product Image of AW400 Integrated Control, 100167804
AW400 Integrated Control, 100167804
SKU: 100167804
Lochinvar
SKU: 100167804
Brand: Lochinvar
$780.57 each
In Stock
Get 3 by Tue, Jun 9
In Stock
Get 3 by Tue, Jun 9
Compare
Product Image of 3/4 HP Stainless Steel Pump, 2 Flange, 100166409
$4,375.52 each
In Stock
Get 1 by Wed, Jun 10
In Stock
Get 1 by Wed, Jun 10
Compare
Product Image of Bypass Assembly, 100278303
Bypass Assembly, 100278303
SKU: 100278303
Lochinvar
SKU: 100278303
Brand: Lochinvar
$50.03 each
In Stock
Get 1 by Tue, Jun 9
In Stock
Get 1 by Tue, Jun 9
Compare
Product Image of Primary-Secondary Piping Kit for Noble Combi Boilers, 100304841
$738.55 each
In Stock
Get 1 by Tue, Jun 9
In Stock
Get 1 by Tue, Jun 9
Compare
Product Image of Burner with Barbed Fittings, 100135317
Burner with Barbed Fittings, 100135317
SKU: 100135317
Lochinvar
SKU: 100135317
Brand: Lochinvar
$129.48 each
In Stock
Get 11 by Wed, Jun 10
In Stock
Get 11 by Wed, Jun 10
Compare
Product Image of Gas Valve Assembly (Natural Gas), 100172018
$226.42 each
In Stock
Get 4 by Wed, Jun 10
In Stock
Get 4 by Wed, Jun 10
Compare
Product Image of 120V-PRI 24V-SEC 75VA Transformer, 100208251
$113.36 each
In Stock
Get 3 by Wed, Jun 10
In Stock
Get 3 by Wed, Jun 10
Compare
Product Image of Lochinvar Ignition Module, 100167817
Lochinvar Ignition Module, 100167817
SKU: 100167817
Lochinvar
SKU: 100167817
Brand: Lochinvar
$189.49 each
In Stock
Get 6 by Wed, Jun 10
In Stock
Get 6 by Wed, Jun 10
Compare
Product Image of Gas Valve, 100351238
Gas Valve, 100351238
SKU: 100351238
Lochinvar
SKU: 100351238
Brand: Lochinvar
$151.70 each
In Stock
Get 4 by Wed, Jun 10
In Stock
Get 4 by Wed, Jun 10
Resources
FAQs, Manuals & Videos
Articles
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.