Lochinvar & A.O. Smith

Lochinvar & A.O. Smith deliver industry-leading water heating solutions including tankless units, hybrid heat pumps, and commercial storage systems. These trusted brands combine over 80 years of innovation to provide reliable, energy-efficient water heaters for residential and commercial applications. Shop Jackson Systems for competitive prices and expert support on your next water heater installation.

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Flue Sensor with Grommet, OEM Replacement Part

Lochinvar & A.O. Smith

SKU: 100330186
$70.08
MSRP: $80.59
You save 15%
Lochinvar & A.O. Smith 100330186 Flue Sensor with Grommet quantity
Display Assembly Interface, SKU 100330185

Lochinvar & A.O. Smith

SKU: 100330185
$1,428.45
MSRP: $1,642.72
You save 15%
Lochinvar & A.O. Smith 100330185 Display Assembly Interface quantity
Integrated Control Board for Lochinvar & A.O. Smith Units

Lochinvar & A.O. Smith

SKU: 100330184
$845.05
MSRP: $971.81
You save 15%
Lochinvar & A.O. Smith 100330184 Integrated Control Board quantity
Natural Gas Burner Assembly, OEM Replacement Part

Lochinvar & A.O. Smith

SKU: 100328010
$173.58
MSRP: $199.62
You save 15%
Lochinvar & A.O. Smith 100328010 Natural Gas Burner Assembly quantity
K Replacement Flue Accessory, SKU 100327911

Lochinvar & A.O. Smith

SKU: 100327911
$20.35
MSRP: $23.40
You save 15%
Lochinvar & A.O. Smith 100327911 K Replacement Flue Accessory quantity
Relief Valve 3/4″ 150 PSI 1,912,000 BTU

Lochinvar & A.O. Smith

SKU: 100327628
$132.65
MSRP: $152.55
You save 15%
Lochinvar & A.O. Smith 100327628 Relief Valve 3/4" 150 PSI 1,912,000 BTU quantity
Wet Rotor Circulator Pump 115V UPS26-150SF

Lochinvar & A.O. Smith

SKU: 100327484
$949.64
MSRP: $1,092.09
You save 15%
Lochinvar & A.O. Smith 100327484 Wet Rotor Circulator Pump 115V UPS26-150SF quantity
Outdoor Sensor High Limit, SKU 100327467

Lochinvar & A.O. Smith

SKU: 100327467
$89.59
MSRP: $103.03
You save 15%
Lochinvar & A.O. Smith 100327467 Outdoor Sensor High Limit quantity
Interface Control for Lochinvar & A.O. Smith Equipment

Lochinvar & A.O. Smith

SKU: 100327465
$182.38
MSRP: $209.74
You save 15%
Lochinvar & A.O. Smith 100327465 Interface Control quantity
Integrated Control for SSWR/A200 Water Heaters

Lochinvar & A.O. Smith

SKU: 100327461
$448.74
MSRP: $516.05
You save 15%
Lochinvar & A.O. Smith 100327461 Integrated Control SSWR/A200 quantity
Rectifier Assembly, 14″ L — OEM Replacement Part

Lochinvar & A.O. Smith

SKU: 100327350
$77.21
MSRP: $88.79
You save 15%
Lochinvar & A.O. Smith 100327350 Rectifier Assembly 14" L quantity
OEM Replacement Impeller for Lochinvar & A.O. Smith

Lochinvar & A.O. Smith

SKU: 100327345
$502.71
MSRP: $578.12
You save 15%
Lochinvar & A.O. Smith 100327345 Impeller quantity
Body Gasket Replacement Part – SKU 100327322

Lochinvar & A.O. Smith

SKU: 100327322
$27.56
MSRP: $31.69
You save 15%
Lochinvar & A.O. Smith 100327322 Body Gasket Replacement Part quantity
Coupler 3J 1/2 x 5/8 for Boiler & Water Heater Applications

Lochinvar & A.O. Smith

SKU: 100327308
$128.64
MSRP: $147.94
You save 15%
Lochinvar & A.O. Smith 100327308 Coupler 3J 1/2 x 5/8 quantity
Low Water Cut-Off (LWCO) Control Board, SKU 100327204

Lochinvar & A.O. Smith

SKU: 100327204
$756.85
MSRP: $870.38
You save 15%
Lochinvar & A.O. Smith 100327204 LWCO Board quantity
Low Water Probe for Boiler Safety & Protection

Lochinvar & A.O. Smith

SKU: 100327199
$330.21
MSRP: $379.74
You save 15%
Lochinvar & A.O. Smith 100327199 Low Water Probe quantity
Potentiometer Replacement Part – SKU 100327155

Lochinvar & A.O. Smith

SKU: 100327155
$112.61
MSRP: $129.50
You save 15%
Lochinvar & A.O. Smith 100327155 Potentiometer quantity
3/4″ Condensate Hose for Lochinvar & A.O. Smith Units

Lochinvar & A.O. Smith

SKU: 100327149
$20.35
MSRP: $23.40
You save 15%
Lochinvar & A.O. Smith 100327149 Condensate Hose 3/4 quantity
Volute Gasket — OEM Replacement Seal

Lochinvar & A.O. Smith

SKU: 100327114
$20.35
MSRP: $23.40
You save 15%
Lochinvar & A.O. Smith 100327114 Volute Gasket quantity
OEM Replacement Thermostat for Water Heaters

Lochinvar & A.O. Smith

SKU: 100327113
$205.89
MSRP: $236.77
You save 15%
Lochinvar & A.O. Smith 100327113 Thermostat quantity
L270F Manual Reset Switch, OEM Replacement Part

Lochinvar & A.O. Smith

SKU: 100327100
$74.04
MSRP: $85.15
You save 15%
Lochinvar & A.O. Smith 100327100 L270F Manual Reset Switch quantity
TNL Combustion Fan Assembly with Gasket, OEM Replacement Part

Lochinvar & A.O. Smith

SKU: 100327096
$2,064.08
MSRP: $2,373.69
You save 15%
Lochinvar & A.O. Smith 100327096 TNL Combustion Fan Assembly W/Gasket quantity
Electronic Control Board, OEM Replacement Part

Lochinvar & A.O. Smith

SKU: 100327054
$443.56
MSRP: $510.09
You save 15%
Lochinvar & A.O. Smith 100327054 Electronic Control Board quantity
OEM Flange Gasket Replacement, SKU 100327040

Lochinvar & A.O. Smith

SKU: 100327040
$19.09
MSRP: $21.95
You save 15%
Lochinvar & A.O. Smith 100327040 Flange Gasket quantity
OEM Seal Kit for Lochinvar & A.O. Smith Equipment

Lochinvar & A.O. Smith

SKU: 100327033
$99.93
MSRP: $114.92
You save 15%
Lochinvar & A.O. Smith 100327033 Seal Kit quantity
Flammable Vapor Sensor, OEM Replacement Part

Lochinvar & A.O. Smith

SKU: 100327014
$125.13
MSRP: $143.90
You save 15%
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Gasket Manifold Cover – OEM Replacement Part

Lochinvar & A.O. Smith

SKU: 100326229
$413.49
MSRP: $475.51
You save 15%
Lochinvar & A.O. Smith 100326229 Gasket Manifold Cover quantity
21″ Sidewall Termination Concentric Vent Kit

Lochinvar & A.O. Smith

SKU: 100322375
$385.18
MSRP: $442.96
You save 15%
Lochinvar & A.O. Smith 100322375 21" Sidewall Termination Concentric Vent quantity
Ignitor Gasket for Lochinvar & A.O. Smith Units

Lochinvar & A.O. Smith

SKU: 100322258
$20.35
MSRP: $23.40
You save 15%
Lochinvar & A.O. Smith 100322258 Ignitor Gasket quantity
Maintenance Kit for KBN601-801 Water Heaters

Lochinvar & A.O. Smith

SKU: 100320886
$128.06
MSRP: $147.27
You save 15%
Lochinvar & A.O. Smith 100320886 Maintenance Kit for KBN601-801 quantity
Service Kit for Lochinvar & A.O. Smith Equipment

Lochinvar & A.O. Smith

SKU: 100320884
$150.29
MSRP: $172.83
You save 15%
Lochinvar & A.O. Smith 100320884 Service Kit quantity
Maintenance Kit for KBN400 Boiler

Lochinvar & A.O. Smith

SKU: 100320883
$138.64
MSRP: $159.44
You save 15%
Lochinvar & A.O. Smith 100320883 Maintenance Kit for KBN400 quantity
FTXL-725 Service Kit for Lochinvar & A.O. Smith Units

Lochinvar & A.O. Smith

SKU: 100320881
$987.45
MSRP: $1,135.57
You save 15%
Lochinvar & A.O. Smith 100320881 FTXL-725 Service Kit quantity
FTX 400 Maintenance Kit – Genuine OEM Replacement

Lochinvar & A.O. Smith

SKU: 100320868
$850.91
MSRP: $978.55
You save 15%
Lochinvar & A.O. Smith 100320868 FTX 400 Maintenance Kit quantity
Low Water Cut-Off (LWCO) for Boiler Safety Control

Lochinvar & A.O. Smith

SKU: 100320791
$334.44
MSRP: $384.61
You save 15%
Lochinvar & A.O. Smith 100320791 Low Water Cut-Off (LWCO) quantity
PM Service Kit FB2001 for Lochinvar & A.O. Smith Units

Lochinvar & A.O. Smith

SKU: 100320693
$406.25
MSRP: $467.19
You save 15%
Lochinvar & A.O. Smith 100320693 PM Service Kit FB2001 quantity
Service Maintenance Kit for FB751 Water Heater

Lochinvar & A.O. Smith

SKU: 100320688
$395.83
MSRP: $455.20
You save 15%
Lochinvar & A.O. Smith 100320688 Service Maintenance Kit FB751 quantity
Inlet Filter Assembly for Lochinvar & A.O. Smith Units

Lochinvar & A.O. Smith

SKU: 100320506
$25.35
MSRP: $29.15
You save 15%
Lochinvar & A.O. Smith 100320506 Inlet Filter Assembly quantity
.90″x1″ Replacement Gaskets, 5 Pack

Lochinvar & A.O. Smith

SKU: 100319654
$17.24
MSRP: $19.83
You save 15%
Lochinvar & A.O. Smith 100319654 .90"x1" Gaskets, 5 Pack quantity
Maintenance Kit 992-2072 for Lochinvar & A.O. Smith Units

Lochinvar & A.O. Smith

SKU: 100319597
$376.78
MSRP: $433.30
You save 15%
Lochinvar & A.O. Smith 100319597 Maintenance Kit 992-2072 quantity
PM Service Kit with Copper Fins, Preventive Maintenance

Lochinvar & A.O. Smith

SKU: 100319596
$397.94
MSRP: $457.63
You save 15%
Lochinvar & A.O. Smith 100319596 PM Service Kit with Copper Fins quantity
PB/PF1501-2001 Service Kit for Lochinvar & A.O. Smith Units

Lochinvar & A.O. Smith

SKU: 100319589
$475.20
MSRP: $546.48
You save 15%
Lochinvar & A.O. Smith 100319589 PB/PF1501-2001 Service Kit quantity
PB/PF502-1302 Service Kit for Lochinvar & A.O. Smith Boilers

Lochinvar & A.O. Smith

SKU: 100319587
$470.96
MSRP: $541.60
You save 15%
Lochinvar & A.O. Smith 100319587 PB/PF502-1302 Service Kit quantity
24V Damper Motor for Lochinvar & A.O. Smith Systems

Lochinvar & A.O. Smith

SKU: 100318923
$212.73
MSRP: $244.64
You save 15%
Lochinvar & A.O. Smith 100318923 24V Damper Motor quantity
Inducer Assembly for NKC199 Boiler Models

Lochinvar & A.O. Smith

SKU: 100318771
$470.96
MSRP: $541.60
You save 15%
Lochinvar & A.O. Smith 100318771 Inducer Assembly for NKC199 quantity
Burner Manifold Gasket, OEM Replacement Part

Lochinvar & A.O. Smith

SKU: 100318505
$466.74
MSRP: $536.75
You save 15%
Lochinvar & A.O. Smith 100318505 Burner Manifold Gasket quantity
Burner Manifold Gasket, OEM Replacement Part

Lochinvar & A.O. Smith

SKU: 100318503
$445.56
MSRP: $512.39
You save 15%
Lochinvar & A.O. Smith 100318503 Burner Manifold Gasket quantity
Gas Valve Replacement Part – SKU 100317155

Lochinvar & A.O. Smith

SKU: 100317155
$293.88
MSRP: $337.96
You save 15%
Lochinvar & A.O. Smith 100317155 Gas Valve quantity