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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Flange Gas Valve with Gasket for Water Heaters

Lochinvar & A.O. Smith

SKU: 100275534
$31.45
MSRP: $36.17
You save 15%
Lochinvar & A.O. Smith 100275534 Flange Gas Valve w/Gasket quantity
Gas Valve Assembly – OEM Replacement Part

Lochinvar & A.O. Smith

SKU: 100275532
$147.58
MSRP: $169.72
You save 15%
Lochinvar & A.O. Smith 100275532 Gas Valve Assembly quantity
Flow Sensor for Water Heaters & Boilers, SKU 100275528

Lochinvar & A.O. Smith

SKU: 100275528
$36.96
MSRP: $42.50
You save 15%
Lochinvar & A.O. Smith 100275528 Flow Sensor for Water Heaters & Boilers quantity
Flue Sensor with Grommet, OEM Replacement Part

Lochinvar & A.O. Smith

SKU: 100275527
$30.23
MSRP: $34.76
You save 15%
Lochinvar & A.O. Smith 100275527 Flue Sensor with Grommet quantity
Interface Control Board for Lochinvar & A.O. Smith Units

Lochinvar & A.O. Smith

SKU: 100275525
$119.45
MSRP: $137.37
You save 15%
Lochinvar & A.O. Smith 100275525 Interface Control Board quantity
NKC110N OEM Replacement Main Control Board

Lochinvar & A.O. Smith

SKU: 100275507
$276.58
MSRP: $318.07
You save 15%
Lochinvar & A.O. Smith 100275507 NKC110N Main Board quantity
Connection Board, OEM Replacement Part

Lochinvar & A.O. Smith

SKU: 100275502
$64.97
MSRP: $74.72
You save 15%
Lochinvar & A.O. Smith 100275502 Connection Board quantity
BACnet Interface Board MTR-01, SKU 100275047

Lochinvar & A.O. Smith

SKU: 100275047
$414.95
MSRP: $477.19
You save 15%
Lochinvar & A.O. Smith 100275047 BACnet Interface Board MTR-01 quantity
Burner Gasket — OEM Replacement, SKU 100274837

Lochinvar & A.O. Smith

SKU: 100274837
$245.61
MSRP: $282.45
You save 15%
Lochinvar & A.O. Smith 100274837 Burner Gasket quantity
Low Voltage Connection Board, SKU 100274823

Lochinvar & A.O. Smith

SKU: 100274823
$111.69
MSRP: $128.44
You save 15%
Lochinvar & A.O. Smith 100274823 Low Voltage Connection Board quantity
1.5″ 50 PSI Relief Valve, 4,237,000 BTU Capacity

Lochinvar & A.O. Smith

SKU: 100274785
$803.00
MSRP: $923.45
You save 15%
Lochinvar & A.O. Smith 100274785 1.5" 50# 4,237,000 BTU Relief Valve quantity
Pressure Relief Valve for Water Heaters & Boilers

Lochinvar & A.O. Smith

SKU: 100274781
$591.34
MSRP: $680.04
You save 15%
Lochinvar & A.O. Smith 100274781 Pressure Relief Valve quantity
Sight Glass Fiber Gasket, OEM Replacement Part

Lochinvar & A.O. Smith

SKU: 100274752
$12.40
MSRP: $14.26
You save 15%
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Fan/Burner Gasket, OEM Replacement Part

Lochinvar & A.O. Smith

SKU: 100274749
$105.28
MSRP: $121.07
You save 15%
Lochinvar & A.O. Smith 100274749 Fan/Burner Gasket quantity
Flow Switch – OEM Replacement for Boilers & Water Heaters

Lochinvar & A.O. Smith

SKU: 100274747
$309.60
MSRP: $356.04
You save 15%
Lochinvar & A.O. Smith 100274747 Flow Switch quantity
Pressure Switch 27″ w.c. Replacement Part

Lochinvar & A.O. Smith

SKU: 100274744
$68.33
MSRP: $78.58
You save 15%
Lochinvar & A.O. Smith 100274744 Pressure Switch 27" w.c. quantity
OEM Replacement Contactor for Water Heaters

Lochinvar & A.O. Smith

SKU: 100274738
$220.90
MSRP: $254.04
You save 15%
Lochinvar & A.O. Smith 100274738 Contactor quantity
Flue Sensor — OEM Replacement Part

Lochinvar & A.O. Smith

SKU: 100274734
$56.00
MSRP: $64.40
You save 15%
Lochinvar & A.O. Smith 100274734 Flue Sensor quantity
Fan Gasket for Lochinvar & A.O. Smith Equipment

Lochinvar & A.O. Smith

SKU: 100274709
$31.00
MSRP: $35.65
You save 15%
Lochinvar & A.O. Smith 100274709 Fan Gasket quantity
Upper T-STAT, All 2 & 3 Wire Interchangeable

Lochinvar & A.O. Smith

SKU: 100274615
$52.64
MSRP: $60.54
You save 15%
Lochinvar & A.O. Smith 100274615 Upper T-STAT (All 2 & 3 Wire Interchangeable) quantity
Lower T-Stat Thermostat Replacement Part, SKU 100274592

Lochinvar & A.O. Smith

SKU: 100274592
$39.68
MSRP: $45.63
You save 15%
Lochinvar & A.O. Smith 100274592 Lower T-Stat Thermostat quantity
Display Control Board for Lochinvar & A.O. Smith Units

Lochinvar & A.O. Smith

SKU: 100274225
$444.79
MSRP: $511.51
You save 15%
Lochinvar & A.O. Smith 100274225 Display Control Board quantity
Flame Rod Assembly, OEM Replacement Part

Lochinvar & A.O. Smith

SKU: 100274106
$86.24
MSRP: $99.18
You save 15%
Lochinvar & A.O. Smith 100274106 Flame Rod Assembly quantity
Igniter Assembly, OEM Replacement Part

Lochinvar & A.O. Smith

SKU: 100274105
$101.93
MSRP: $117.22
You save 15%
Lochinvar & A.O. Smith 100274105 Igniter Assembly quantity
K Dip Tube 0.65″ x 52.5″ CE 5.5″ x 3/4″ Fitting

Lochinvar & A.O. Smith

SKU: 100273983
$41.71
MSRP: $47.97
You save 15%
Lochinvar & A.O. Smith 100273983 K Dip Tube 0.65" x 52.5" CE 5.5" x 3/4" quantity
Enhanced Blower Assembly, SKU 100271923

Lochinvar & A.O. Smith

SKU: 100271923
$1,096.99
MSRP: $1,261.54
You save 15%
Lochinvar & A.O. Smith 100271923 Enhanced Blower Assembly quantity
Ignition Transformer Kit for Lochinvar & A.O. Smith Units

Lochinvar & A.O. Smith

SKU: 100271921
$167.03
MSRP: $192.08
You save 15%
Lochinvar & A.O. Smith 100271921 Ignition Transformer Kit quantity
Spark Ignition Cable – OEM Replacement Part

Lochinvar & A.O. Smith

SKU: 100271890
$34.20
MSRP: $39.33
You save 15%
Lochinvar & A.O. Smith 100271890 Spark Ignition Cable quantity
Spark Rod Assembly, OEM Replacement Part

Lochinvar & A.O. Smith

SKU: 100271889
$221.69
MSRP: $254.94
You save 15%
Lochinvar & A.O. Smith 100271889 Spark Rod Assembly quantity
Spark Ignitor Assembly, OEM Replacement Part

Lochinvar & A.O. Smith

SKU: 100271888
$206.79
MSRP: $237.81
You save 15%
Lochinvar & A.O. Smith 100271888 Spark Ignitor Assembly quantity
Blower Assembly for Lochinvar & A.O. Smith Equipment

Lochinvar & A.O. Smith

SKU: 100271887
$1,749.83
MSRP: $2,012.30
You save 15%
Lochinvar & A.O. Smith 100271887 Blower Assembly quantity
Lower Connector Probe for Water Heater Systems

Lochinvar & A.O. Smith

SKU: 100271886
$97.63
MSRP: $112.27
You save 15%
Lochinvar & A.O. Smith 100271886 Lower Connector Probe quantity
Upper Temperature Probe with Integrated Connector

Lochinvar & A.O. Smith

SKU: 100271885
$197.03
MSRP: $226.58
You save 15%
Lochinvar & A.O. Smith 100271885 Upper Temperature Probe with Integrated Connector quantity
K Low Gas Pressure Switch, SKU 100271883

Lochinvar & A.O. Smith

SKU: 100271883
$54.14
MSRP: $62.26
You save 15%
Lochinvar & A.O. Smith 100271883 K Low Gas Pressure Switch quantity
Blower Assembly Without Pressure Port

Lochinvar & A.O. Smith

SKU: 100271839
$765.45
MSRP: $880.27
You save 15%
Lochinvar & A.O. Smith 100271839 Blower Assembly Without Pressure Port quantity
Anode Rod — OEM Replacement, SKU 100271569

Lochinvar & A.O. Smith

SKU: 100271569
$73.66
MSRP: $84.71
You save 15%
Lochinvar & A.O. Smith 100271569 Anode Rod quantity
On/Off Switch Replacement Part — SKU 100271316

Lochinvar & A.O. Smith

SKU: 100271316
$30.51
MSRP: $35.09
You save 15%
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High Limit Switch for Water Heaters & Boilers

Lochinvar & A.O. Smith

SKU: 100271315
$214.66
MSRP: $246.86
You save 15%
Lochinvar & A.O. Smith 100271315 High Limit Switch quantity
Blower Assembly for DV52–DV76 Direct-Vent Water Heaters

Lochinvar & A.O. Smith

SKU: 100270997
$2,244.48
MSRP: $2,581.15
You save 15%
Lochinvar & A.O. Smith 100270997 Blower Assembly DV52-DV76 quantity
Dip Tube 0.65″ x 40.5″ CE with 5×3/4″ NPT Connections

Lochinvar & A.O. Smith

SKU: 100270743
$35.50
MSRP: $40.83
You save 15%
Lochinvar & A.O. Smith 100270743 Dip Tube 0.65" x 40.5" CE 5x3/4" NPT quantity
Gas Valve Kit for Lochinvar & A.O. Smith Equipment

Lochinvar & A.O. Smith

SKU: 100268033
$240.44
MSRP: $276.51
You save 15%
Lochinvar & A.O. Smith 100268033 Gas Valve Kit quantity
KGAS VALVEKH199 Replacement Gas Valve for KH199 Units

Lochinvar & A.O. Smith

SKU: 100268032
$174.41
MSRP: $200.57
You save 15%
Lochinvar & A.O. Smith 100268032 KGAS VALVEKH199 Gas Valve quantity
OEM Replacement Gas Valve for Water Heaters & Boilers

Lochinvar & A.O. Smith

SKU: 100268031
$174.41
MSRP: $200.57
You save 15%
Lochinvar & A.O. Smith 100268031 Gas Valve quantity
OEM Gas Valve for Lochinvar & A.O. Smith Equipment

Lochinvar & A.O. Smith

SKU: 100268030
$174.41
MSRP: $200.57
You save 15%
Lochinvar & A.O. Smith 100268030 Gas Valve quantity
KGAS Replacement Gas Valve VALVEKH085

Lochinvar & A.O. Smith

SKU: 100268029
$174.41
MSRP: $200.57
You save 15%
Lochinvar & A.O. Smith 100268029 KGAS Gas Valve VALVEKH085 quantity
Fan Assembly, OEM Replacement Part

Lochinvar & A.O. Smith

SKU: 100267460
$5,648.64
MSRP: $6,495.94
You save 15%
Lochinvar & A.O. Smith 100267460 Fan Assembly quantity
Natural Gas Valve Assembly – OEM Replacement Part

Lochinvar & A.O. Smith

SKU: 100267412
$738.00
MSRP: $848.70
You save 15%
Lochinvar & A.O. Smith 100267412 Natural Gas Valve Assembly quantity
Inducer Assembly, OEM Replacement Part

Lochinvar & A.O. Smith

SKU: 100267000
$399.00
MSRP: $458.85
You save 15%
Lochinvar & A.O. Smith 100267000 Inducer Assembly quantity

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