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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T&P Gauge, 50/320°F Temperature, 0/75 PSI Pressure Range

Lochinvar & A.O. Smith

SKU: 100376494
$147.13
MSRP: $169.20
You save 15%
Lochinvar & A.O. Smith 100376494 T&P Gauge 50/320°F 0/75 PSI quantity
Neutralizer Kit for High-Efficiency Condensing Equipment

Lochinvar & A.O. Smith

SKU: 100374577
$139.19
MSRP: $160.07
You save 15%
Lochinvar & A.O. Smith 100374577 Neutralizer Kit quantity
1/4″ x 5/8″ Silicone 15′ Gasket Roll

Lochinvar & A.O. Smith

SKU: 100369948
$255.06
MSRP: $293.32
You save 15%
Lochinvar & A.O. Smith 100369948 1/4" x 5/8" Silicone 15' Gasket Roll quantity
Igniter with Gasket – OEM Replacement Part

Lochinvar & A.O. Smith

SKU: 100368946
$403.24
MSRP: $463.73
You save 15%
Lochinvar & A.O. Smith 100368946 Igniter with Gasket quantity
HVHP Daughter Board, Replacement Control Board

Lochinvar & A.O. Smith

SKU: 100358470
$172.40
MSRP: $198.26
You save 15%
Lochinvar & A.O. Smith 100358470 HVHP Daughter Board quantity
Burner Assembly 16″ 40,000 BTU 4″ W.C. Gas Pressure

Lochinvar & A.O. Smith

SKU: 100355131
$381.54
MSRP: $438.77
You save 15%
Lochinvar & A.O. Smith 100355131 Burner Assembly 16" 40K BTU 4" WC quantity
Air Metering Valve Pressure Replacement Part

Lochinvar & A.O. Smith

SKU: 100354895
$130.94
MSRP: $150.58
You save 15%
Lochinvar & A.O. Smith 100354895 Air Metering Valve Pressure quantity
Control Board, Replacement Part, SKU 100351933

Lochinvar & A.O. Smith

SKU: 100351933
$162.99
MSRP: $187.44
You save 15%
Lochinvar & A.O. Smith 100351933 Control Board quantity
Low Voltage Harness, OEM Replacement, SKU 100351312

Lochinvar & A.O. Smith

SKU: 100351312
$120.70
MSRP: $138.81
You save 15%
Lochinvar & A.O. Smith 100351312 Low Voltage Harness quantity
Gas Valve — OEM Replacement, SKU 100351238

Lochinvar & A.O. Smith

SKU: 100351238
$151.35
MSRP: $174.05
You save 15%
Lochinvar & A.O. Smith 100351238 Gas Valve quantity
OEM Replacement Gas Valve for Water Heaters & Boilers

Lochinvar & A.O. Smith

SKU: 100351237
$151.35
MSRP: $174.05
You save 15%
Lochinvar & A.O. Smith 100351237 Gas Valve quantity
OEM Replacement Gas Valve for Water Heaters & Boilers

Lochinvar & A.O. Smith

SKU: 100351235
$151.35
MSRP: $174.05
You save 15%
Lochinvar & A.O. Smith 100351235 Gas Valve quantity
3/4″x1″ 60 PSI Pressure Relief Valve, 1,611,000 BTU

Lochinvar & A.O. Smith

SKU: 100349410
$148.18
MSRP: $170.41
You save 15%
Lochinvar & A.O. Smith 100349410 3/4"x1" 60# Relief Valve 1,611,000 BTU quantity
Thermopile Kit/Pilot Assembly Replacement Part

Lochinvar & A.O. Smith

SKU: 100347812
$100.11
MSRP: $115.13
You save 15%
Lochinvar & A.O. Smith 100347812 Thermopile Kit/Pilot Assembly quantity
Burner Assembly and Gas Valve 18″ Replacement Part

Lochinvar & A.O. Smith

SKU: 100346617
$404.46
MSRP: $465.13
You save 15%
Lochinvar & A.O. Smith 100346617 Burner Assembly and Gas Valve 18" quantity
Natural Gas Valve for Lochinvar & A.O. Smith Equipment

Lochinvar & A.O. Smith

SKU: 100346615
$193.18
MSRP: $222.16
You save 15%
Lochinvar & A.O. Smith 100346615 Natural Gas Valve quantity
Burner Assembly 16″ with Thermal Cut-Off, 2″ Connection

Lochinvar & A.O. Smith

SKU: 100346613
$404.46
MSRP: $465.13
You save 15%
Lochinvar & A.O. Smith 100346613 Burner Assembly 16" TCO 2" quantity
Natural Gas Control Valve, OEM Replacement Part

Lochinvar & A.O. Smith

SKU: 100346570
$205.51
MSRP: $236.34
You save 15%
Lochinvar & A.O. Smith 100346570 Natural Gas Control Valve quantity
Control Board for NKC199 Water Heater Models

Lochinvar & A.O. Smith

SKU: 100346296
$304.81
MSRP: $350.53
You save 15%
Lochinvar & A.O. Smith 100346296 Control Board NKC199 quantity
NKC15L Replacement Control Board for Water Heaters

Lochinvar & A.O. Smith

SKU: 100345862
$304.81
MSRP: $350.53
You save 15%
Lochinvar & A.O. Smith 100345862 NKC15L Control Board quantity
Condensate Trap for PF/PB Series Water Heaters

Lochinvar & A.O. Smith

SKU: 100343868
$222.25
MSRP: $255.59
You save 15%
Lochinvar & A.O. Smith 100343868 Condensate Trap PF/PB quantity
Computer Board Replacement Part, SKU 100342808

Lochinvar & A.O. Smith

SKU: 100342808
$222.70
MSRP: $256.11
You save 15%
Lochinvar & A.O. Smith 100342808 Computer Board quantity
Ribbon Cable Replacement Part, SKU 100341733

Lochinvar & A.O. Smith

SKU: 100341733
$106.89
MSRP: $122.92
You save 15%
Lochinvar & A.O. Smith 100341733 Ribbon Cable Replacement Part quantity
Replacement Sensor for Lochinvar & A.O. Smith Systems

Lochinvar & A.O. Smith

SKU: 100340535
$51.48
MSRP: $59.20
You save 15%
Lochinvar & A.O. Smith 100340535 Replacement Sensor quantity
Ignition Cable for Lochinvar & A.O. Smith Equipment

Lochinvar & A.O. Smith

SKU: 100340481
$41.71
MSRP: $47.97
You save 15%
Lochinvar & A.O. Smith 100340481 Ignition Cable quantity
Ignitor With Gasket, OEM Replacement Part

Lochinvar & A.O. Smith

SKU: 100340123
$151.63
MSRP: $174.37
You save 15%
Lochinvar & A.O. Smith 100340123 Ignitor With Gasket quantity
NKB080 Main Control Board – OEM Replacement Part

Lochinvar & A.O. Smith

SKU: 100339969
$291.04
MSRP: $334.70
You save 15%
Lochinvar & A.O. Smith 100339969 NKB080 Main Control Board quantity
EPDM Condensate Trap Gasket – OEM Replacement Seal

Lochinvar & A.O. Smith

SKU: 100338932
$49.49
MSRP: $56.91
You save 15%
Lochinvar & A.O. Smith 100338932 EPDM Condensate Trap Gasket quantity
On/Off Switch for Lochinvar & A.O. Smith Equipment

Lochinvar & A.O. Smith

SKU: 100338900
$51.48
MSRP: $59.20
You save 15%
Lochinvar & A.O. Smith 100338900 On/Off Switch quantity
Spark Ignitor Gasket for Lochinvar & A.O. Smith Units

Lochinvar & A.O. Smith

SKU: 100338898
$42.60
MSRP: $48.99
You save 15%
Lochinvar & A.O. Smith 100338898 Spark Ignitor Gasket quantity
Flame Rod Gasket, OEM Replacement Part

Lochinvar & A.O. Smith

SKU: 100338897
$39.05
MSRP: $44.91
You save 15%
Lochinvar & A.O. Smith 100338897 Flame Rod Gasket quantity
Condensate Trap Gasket EPDM Replacement Part

Lochinvar & A.O. Smith

SKU: 100338896
$47.93
MSRP: $55.12
You save 15%
Lochinvar & A.O. Smith 100338896 Condensate Trap Gasket EPDM quantity
Pan Drain Replacement Part for HV50 Units

Lochinvar & A.O. Smith

SKU: 100338506
$55.03
MSRP: $63.28
You save 15%
Lochinvar & A.O. Smith 100338506 Pan Drain for HV50 quantity
Flange Gasket Pair for Lochinvar & A.O. Smith Units

Lochinvar & A.O. Smith

SKU: 100337710
$42.49
MSRP: $48.86
You save 15%
Lochinvar & A.O. Smith 100337710 Flange Gasket (Pair) quantity
Bolt & Gasket Kit for Lochinvar & A.O. Smith Units

Lochinvar & A.O. Smith

SKU: 100337702
$60.89
MSRP: $70.02
You save 15%
Lochinvar & A.O. Smith 100337702 Bolt & Gasket Kit quantity
OEM Flow Switch for Lochinvar & A.O. Smith Systems

Lochinvar & A.O. Smith

SKU: 100335986
$317.50
MSRP: $365.13
You save 15%
Lochinvar & A.O. Smith 100335986 Flow Switch quantity
Main Control Board for Lochinvar & A.O. Smith Units

Lochinvar & A.O. Smith

SKU: 100334032
$683.00
MSRP: $785.45
You save 15%
Lochinvar & A.O. Smith 100334032 Main Control Board quantity
Air Metering Valve Motor, OEM Replacement Part

Lochinvar & A.O. Smith

SKU: 100332753
$1,459.33
MSRP: $1,678.23
You save 15%
Lochinvar & A.O. Smith 100332753 Air Metering Valve Motor quantity
Flame Sensor with Gasket — OEM Replacement Part

Lochinvar & A.O. Smith

SKU: 100330341
$25.28
MSRP: $29.07
You save 15%
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Modbus Communication Kit for Compatible Water Heaters

Lochinvar & A.O. Smith

SKU: 100330257
$374.65
MSRP: $430.85
You save 15%
Lochinvar & A.O. Smith 100330257 Modbus Communication Kit quantity
Harness Electrode – OEM Replacement Part

Lochinvar & A.O. Smith

SKU: 100330236
$57.44
MSRP: $66.06
You save 15%
Lochinvar & A.O. Smith 100330236 Harness Electrode quantity
OEM Burner Gasket for Lochinvar & A.O. Smith Units

Lochinvar & A.O. Smith

SKU: 100330215
$57.24
MSRP: $65.83
You save 15%
Lochinvar & A.O. Smith 100330215 Burner Gasket quantity
Intake Manifold Gasket for Lochinvar & A.O. Smith Units

Lochinvar & A.O. Smith

SKU: 100330206
$62.03
MSRP: $71.33
You save 15%
Lochinvar & A.O. Smith 100330206 Intake Manifold Gasket quantity
Door Gasket, OEM Replacement Part

Lochinvar & A.O. Smith

SKU: 100330202
$66.63
MSRP: $76.62
You save 15%
Lochinvar & A.O. Smith 100330202 Door Gasket quantity
Flame Sensor with Gasket and Grommet, OEM Replacement

Lochinvar & A.O. Smith

SKU: 100330200
$165.39
MSRP: $190.20
You save 15%
Lochinvar & A.O. Smith 100330200 Flame Sensor with Gasket and Grommet quantity
Gas Valve with Gasket for Water Heaters & Boilers

Lochinvar & A.O. Smith

SKU: 100330192
$576.81
MSRP: $663.33
You save 15%
Lochinvar & A.O. Smith 100330192 Gas Valve with Gasket quantity
OEM Blower Gasket for Lochinvar & A.O. Smith Units

Lochinvar & A.O. Smith

SKU: 100330190
$47.64
MSRP: $54.79
You save 15%
Lochinvar & A.O. Smith 100330190 Blower Gasket quantity
Fan with Gasket for AWH04000500 Water Heater

Lochinvar & A.O. Smith

SKU: 100330187
$706.60
MSRP: $812.59
You save 15%
Lochinvar & A.O. Smith 100330187 Fan with Gasket for AWH04000500 quantity