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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Service Kit for Lochinvar & A.O. Smith Equipment

Lochinvar & A.O. Smith

SKU: 100314926
$462.50
MSRP: $531.88
You save 15%
Lochinvar & A.O. Smith 100314926 Service Kit quantity
PM Service Armor Kit for Preventive Maintenance

Lochinvar & A.O. Smith

SKU: 100314828
$336.56
MSRP: $387.04
You save 15%
Lochinvar & A.O. Smith 100314828 PM Service Armor Kit quantity
Spark Rod Assembly 5.2″ with Gasket

Lochinvar & A.O. Smith

SKU: 100313902
$145.16
MSRP: $166.93
You save 15%
Lochinvar & A.O. Smith 100313902 Spark Rod Assembly 5.2" with Gasket quantity
K HVHP UIM/Control Board Assembly, SKU 100313171

Lochinvar & A.O. Smith

SKU: 100313171
$242.44
MSRP: $278.81
You save 15%
Lochinvar & A.O. Smith 100313171 K HVHP UIM/Control Board Assembly quantity
K Service UIM Ethernet Module for Lochinvar & A.O. Smith

Lochinvar & A.O. Smith

SKU: 100312669
$566.58
MSRP: $651.57
You save 15%
Lochinvar & A.O. Smith 100312669 K Service UIM Ethernet Module quantity
K Service PCP-IEC Replacement Blue Control Board

Lochinvar & A.O. Smith

SKU: 100312667
$316.31
MSRP: $363.76
You save 15%
Lochinvar & A.O. Smith 100312667 K Service PCP-IEC Blue Board quantity
10 Pin Ribbon Cable for Water Heaters & Boilers

Lochinvar & A.O. Smith

SKU: 100312423
$17.24
MSRP: $19.83
You save 15%
Lochinvar & A.O. Smith 100312423 10 Pin Ribbon Cable quantity
Gasket, User Interface Display — OEM Replacement Part

Lochinvar & A.O. Smith

SKU: 100311232
$24.16
MSRP: $27.78
You save 15%
Lochinvar & A.O. Smith 100311232 Gasket, User Interface Display quantity
Sight Glass Kit for Boiler & Hydronic Systems

Lochinvar & A.O. Smith

SKU: 100311165
$147.11
MSRP: $169.18
You save 15%
Lochinvar & A.O. Smith 100311165 Sight Glass Kit quantity
FB Communication Control Board, OEM Replacement Part

Lochinvar & A.O. Smith

SKU: 100311038
$1,318.74
MSRP: $1,516.55
You save 15%
Lochinvar & A.O. Smith 100311038 FB Communication Control Board quantity
Integrated Control Board, OEM Replacement Part

Lochinvar & A.O. Smith

SKU: 100309870
$1,160.91
MSRP: $1,335.05
You save 15%
Lochinvar & A.O. Smith 100309870 Integrated Control Board quantity
Integrated Control Board for Water Heaters & Boilers

Lochinvar & A.O. Smith

SKU: 100309869
$1,160.91
MSRP: $1,335.05
You save 15%
Lochinvar & A.O. Smith 100309869 Integrated Control Board quantity
Low Water Cut-Off Probe, Replacement Part

Lochinvar & A.O. Smith

SKU: 100309672
$76.95
MSRP: $88.49
You save 15%
Lochinvar & A.O. Smith 100309672 Low Water Cut-Off Probe quantity
Thermostat PCB Assembly Universal Replacement

Lochinvar & A.O. Smith

SKU: 100309396
$203.56
MSRP: $234.09
You save 15%
Lochinvar & A.O. Smith 100309396 Thermostat PCB Assembly Universal quantity
Universal ES Module Assembly for Water Heaters

Lochinvar & A.O. Smith

SKU: 100309395
$148.50
MSRP: $170.78
You save 15%
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Air Pressure Switch, 1.50″ WC, Replacement Part

Lochinvar & A.O. Smith

SKU: 100308933
$47.55
MSRP: $54.68
You save 15%
Lochinvar & A.O. Smith 100308933 Air Pressure Switch 1.50" WC quantity
Air Pressure Switch -1.75″WC for Lochinvar & A.O. Smith

Lochinvar & A.O. Smith

SKU: 100308926
$47.55
MSRP: $54.68
You save 15%
Lochinvar & A.O. Smith 100308926 Air Pressure Switch -1.75"WC quantity
Air Pressure Switch, Normally Closed, -2″ WC Set Point

Lochinvar & A.O. Smith

SKU: 100308918
$50.59
MSRP: $58.18
You save 15%
Lochinvar & A.O. Smith 100308918 Air Pressure Switch N.C. -2"WC quantity
Air Pressure Switch -0.75″WC Replacement Part

Lochinvar & A.O. Smith

SKU: 100308917
$132.24
MSRP: $152.08
You save 15%
Lochinvar & A.O. Smith 100308917 Air Pressure Switch -0.75"WC quantity
Blower Assembly, OEM Replacement Part

Lochinvar & A.O. Smith

SKU: 100308914
$594.93
MSRP: $684.17
You save 15%
Lochinvar & A.O. Smith 100308914 Blower Assembly quantity
4″ x 6″ Hand Hole Gasket Kit, SKU 100308682

Lochinvar & A.O. Smith

SKU: 100308682
$78.10
MSRP: $89.82
You save 15%
Lochinvar & A.O. Smith 100308682 4" x 6" Hand Hole Gasket Kit quantity
Manhole Gasket 12″ x 16″ for A.O. Smith Water Heaters

Lochinvar & A.O. Smith

SKU: 100306939
$244.74
MSRP: $281.45
You save 15%
Lochinvar & A.O. Smith 100306939 Manhole Gasket 12" x 16" for AOS Water Heaters quantity
LWCO Probe Kit for Boiler Low Water Cut-Off Safety

Lochinvar & A.O. Smith

SKU: 100306917
$251.66
MSRP: $289.41
You save 15%
Lochinvar & A.O. Smith 100306917 LWCO Probe Kit quantity
Powered Anode System Kit for Water Heater Corrosion Protection

Lochinvar & A.O. Smith

SKU: 100305721
$207.96
MSRP: $239.15
You save 15%
Lochinvar & A.O. Smith 100305721 Powered Anode System Kit quantity
Manifold Gasket Replacement Part, SKU 100305010

Lochinvar & A.O. Smith

SKU: 100305010
$517.54
MSRP: $595.17
You save 15%
Lochinvar & A.O. Smith 100305010 Manifold Gasket Replacement Part quantity
Ignitor with Gasket – OEM Replacement Part

Lochinvar & A.O. Smith

SKU: 100304989
$144.73
MSRP: $166.44
You save 15%
Lochinvar & A.O. Smith 100304989 Ignitor with Gasket quantity
Flame Sensor Gasket, OEM Replacement Part

Lochinvar & A.O. Smith

SKU: 100304988
$22.89
MSRP: $26.32
You save 15%
Lochinvar & A.O. Smith 100304988 Flame Sensor Gasket quantity
OEM Replacement Gas Valve for Water Heaters

Lochinvar & A.O. Smith

SKU: 100304952
$498.49
MSRP: $573.26
You save 15%
Lochinvar & A.O. Smith 100304952 Gas Valve quantity
Gasket Set for FB2501-3001 Boiler Models

Lochinvar & A.O. Smith

SKU: 100304873
$1,038.86
MSRP: $1,194.69
You save 15%
Lochinvar & A.O. Smith 100304873 Gasket Set FB2501-3001 quantity
MDA 18″ Natural Anode Rod, 3.75″ Ext, 450D Top Connection

Lochinvar & A.O. Smith

SKU: 100304360
$135.79
MSRP: $156.16
You save 15%
Lochinvar & A.O. Smith 100304360 MDA 18" NAT 3.75" EXT 450D TC Anode Rod quantity
OEM Replacement Control Board for WHB399 Water Heaters

Lochinvar & A.O. Smith

SKU: 100304165
$387.66
MSRP: $445.81
You save 15%
Lochinvar & A.O. Smith 100304165 Control Board for WHB399 quantity
Pump Assembly, 0-10VDC Control, 1-1/2″ Flanged Connection

Lochinvar & A.O. Smith

SKU: 100304162
$429.70
MSRP: $494.16
You save 15%
Lochinvar & A.O. Smith 100304162 Pump Assembly 0-10VDC 1-1/2" Flanged quantity
Control Board for WHB285 Water Heater

Lochinvar & A.O. Smith

SKU: 100304140
$387.66
MSRP: $445.81
You save 15%
Lochinvar & A.O. Smith 100304140 Control Board WHB285 quantity
Control Board for WHB199 Water Heater Models

Lochinvar & A.O. Smith

SKU: 100304138
$387.66
MSRP: $445.81
You save 15%
Lochinvar & A.O. Smith 100304138 Control Board WHB199 quantity
Control Board for WHB155 Water Heater

Lochinvar & A.O. Smith

SKU: 100304137
$387.66
MSRP: $445.81
You save 15%
Lochinvar & A.O. Smith 100304137 Control Board WHB155 quantity
Replacement Control Board for KHB/WHB110 Models

Lochinvar & A.O. Smith

SKU: 100304136
$387.66
MSRP: $445.81
You save 15%
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User Interface Control for Lochinvar & A.O. Smith Units

Lochinvar & A.O. Smith

SKU: 100304118
$241.31
MSRP: $277.51
You save 15%
Lochinvar & A.O. Smith 100304118 User Interface Control quantity
Pump Assembly 0-10VDC 1-1/4″ Flanged Connection

Lochinvar & A.O. Smith

SKU: 100304110
$418.43
MSRP: $481.19
You save 15%
Lochinvar & A.O. Smith 100304110 Pump Assembly 0-10VDC 1-1/4" Flanged quantity
Straight Spark Igniter Assembly – SKU 100301928

Lochinvar & A.O. Smith

SKU: 100301928
$163.93
MSRP: $188.52
You save 15%
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Secondary Anode Outlet for Water Heater Corrosion Protection

Lochinvar & A.O. Smith

SKU: 100300397
$71.00
MSRP: $81.65
You save 15%
Lochinvar & A.O. Smith 100300397 Secondary Anode Outlet quantity
1″ Gas Cock Replacement Part

Lochinvar & A.O. Smith

SKU: 100300201
$129.80
MSRP: $149.27
You save 15%
Lochinvar & A.O. Smith 100300201 1" Gas Cock quantity
Fuse 250V Time Delay .600 Amp Replacement Part

Lochinvar & A.O. Smith

SKU: 100299163
$69.23
MSRP: $79.61
You save 15%
Lochinvar & A.O. Smith 100299163 Fuse 250V Time Delay .600 Amp quantity
Cleaning Kit for AWH1250-2000 Water Heaters

Lochinvar & A.O. Smith

SKU: 100298563
$391.60
MSRP: $450.34
You save 15%
Lochinvar & A.O. Smith 100298563 Cleaning Kit for AWH1250-2000 quantity
Rope Gasket – OEM Replacement Sealing Component

Lochinvar & A.O. Smith

SKU: 100297137
$220.14
MSRP: $253.16
You save 15%
Lochinvar & A.O. Smith 100297137 Rope Gasket quantity
Flame Sensor Gasket, OEM Replacement Part

Lochinvar & A.O. Smith

SKU: 100297135
$37.06
MSRP: $42.62
You save 15%
Lochinvar & A.O. Smith 100297135 Flame Sensor Gasket quantity
OEM Flame Sensor for Lochinvar & A.O. Smith Equipment

Lochinvar & A.O. Smith

SKU: 100297134
$175.69
MSRP: $202.04
You save 15%
Lochinvar & A.O. Smith 100297134 Flame Sensor quantity
Igniter Gasket – OEM Replacement, SKU 100297133

Lochinvar & A.O. Smith

SKU: 100297133
$35.61
MSRP: $40.95
You save 15%
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Blower Gasket Replacement Part for Water Heaters & Boilers

Lochinvar & A.O. Smith

SKU: 100297131
$65.61
MSRP: $75.45
You save 15%
Lochinvar & A.O. Smith 100297131 Blower Gasket Replacement Part quantity