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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Burner Gasket – OEM Replacement Seal

Lochinvar & A.O. Smith

SKU: 100297109
$58.21
MSRP: $66.94
You save 15%
Lochinvar & A.O. Smith 100297109 Burner Gasket quantity
Flue Sensor with Grommet – OEM Replacement Part

Lochinvar & A.O. Smith

SKU: 100297104
$65.46
MSRP: $75.28
You save 15%
Lochinvar & A.O. Smith 100297104 Flue Sensor with Grommet quantity
Main Control Board for 1250-4000 Series Commercial Units

Lochinvar & A.O. Smith

SKU: 100297103
$1,322.94
MSRP: $1,521.38
You save 15%
Lochinvar & A.O. Smith 100297103 Main Control Board 1250-4000 quantity
Ignitor with Gasket – OEM Replacement Part

Lochinvar & A.O. Smith

SKU: 100296971
$47.93
MSRP: $55.12
You save 15%
Lochinvar & A.O. Smith 100296971 Ignitor with Gasket quantity
Pump Assembly with Gasket – OEM Replacement Part

Lochinvar & A.O. Smith

SKU: 100296927
$161.60
MSRP: $185.84
You save 15%
Lochinvar & A.O. Smith 100296927 Pump Assembly with Gasket quantity
Maintenance Control Board for Lochinvar & A.O. Smith Units

Lochinvar & A.O. Smith

SKU: 100296631
$811.20
MSRP: $932.88
You save 15%
Lochinvar & A.O. Smith 100296631 Maintenance Control Board quantity
Neutralizer Kit 2MBTU with O-Rings, Genuine OEM Replacement

Lochinvar & A.O. Smith

SKU: 100295917
$80.11
MSRP: $92.13
You save 15%
Lochinvar & A.O. Smith 100295917 Neutralizer Kit 2MBTU with O-Rings quantity
Neutralizer Recharge O-Rings for Condensate Systems

Lochinvar & A.O. Smith

SKU: 100295916
$102.06
MSRP: $117.37
You save 15%
Lochinvar & A.O. Smith 100295916 Neutralizer Recharge O-Rings quantity
.55″ Pressure Switch for Water Heater & Boiler Systems

Lochinvar & A.O. Smith

SKU: 100294588
$59.14
MSRP: $68.01
You save 15%
Lochinvar & A.O. Smith 100294588 .55" Pressure Switch quantity
OEM Pressure Switch, Replacement Part #100294587

Lochinvar & A.O. Smith

SKU: 100294587
$60.89
MSRP: $70.02
You save 15%
Lochinvar & A.O. Smith 100294587 Pressure Switch quantity
Pressure Switch, OEM Replacement Part

Lochinvar & A.O. Smith

SKU: 100294586
$60.89
MSRP: $70.02
You save 15%
Lochinvar & A.O. Smith 100294586 Pressure Switch quantity
.68″ Pressure Switch, OEM Replacement Part

Lochinvar & A.O. Smith

SKU: 100294585
$59.14
MSRP: $68.01
You save 15%
Lochinvar & A.O. Smith 100294585 .68" Pressure Switch quantity
CONV 5040 Energy Smart to Standard Conversion Kit

Lochinvar & A.O. Smith

SKU: 100293704
$314.40
MSRP: $361.56
You save 15%
Lochinvar & A.O. Smith 100293704 CONV 5040 Energy Smart to Standard Kit quantity
Main Control Board for Lochinvar & A.O. Smith Units

Lochinvar & A.O. Smith

SKU: 100293702
$1,322.94
MSRP: $1,521.38
You save 15%
Lochinvar & A.O. Smith 100293702 Main Control Board quantity
Pilot/Thermopile Assembly with Tubing for Natural Gas

Lochinvar & A.O. Smith

SKU: 100293455
$79.88
MSRP: $91.86
You save 15%
Lochinvar & A.O. Smith 100293455 Pilot/Thermopile Assembly with Tubing NAT quantity
Conversion 2 Element Kit, 4500W, 208V

Lochinvar & A.O. Smith

SKU: 100293211
$101.65
MSRP: $116.90
You save 15%
Lochinvar & A.O. Smith 100293211 Conversion 2 Element 4500W 208V Kit quantity
Hex Door Temperature Switch for Water Heaters & Boilers

Lochinvar & A.O. Smith

SKU: 100292715
$28.71
MSRP: $33.02
You save 15%
Lochinvar & A.O. Smith 100292715 Hex Door Temperature Switch quantity
Anti-Scale Standalone Product Preservative for Water Heaters

Lochinvar & A.O. Smith

SKU: 100291509
$248.90
MSRP: $286.24
You save 15%
Lochinvar & A.O. Smith 100291509 Anti-Scale Standalone Product Preservative quantity
Temperature Sensor Assembly, 2-4CH SA-10K Configuration

Lochinvar & A.O. Smith

SKU: 100291049
$32.18
MSRP: $37.01
You save 15%
Lochinvar & A.O. Smith 100291049 Temp Sensor Assembly 2-4CH SA-10K quantity
325°F Manual Reset Rollout Switch, SKU 100290350

Lochinvar & A.O. Smith

SKU: 100290350
$94.19
MSRP: $108.32
You save 15%
Lochinvar & A.O. Smith 100290350 325°F Manual Reset Rollout Switch quantity
115V 3000RPM Inducer Assembly, OEM Replacement Part

Lochinvar & A.O. Smith

SKU: 100290327
$240.25
MSRP: $276.29
You save 15%
Lochinvar & A.O. Smith 100290327 115V 3000RPM Inducer Assembly quantity
6.3A Fuse for Lochinvar & A.O. Smith Equipment

Lochinvar & A.O. Smith

SKU: 100290102
$11.45
MSRP: $13.17
You save 15%
Lochinvar & A.O. Smith 100290102 6.3A Fuse quantity
2.5″ WC Pressure Switch | SKU 100289706

Lochinvar & A.O. Smith

SKU: 100289706
$156.20
MSRP: $179.63
You save 15%
Lochinvar & A.O. Smith 100289706 2.5"WC Pressure Switch quantity
Pressure Switch .58″ w.c. Replacement Part

Lochinvar & A.O. Smith

SKU: 100289704
$44.80
MSRP: $51.52
You save 15%
Lochinvar & A.O. Smith 100289704 Pressure Switch .58" w.c. quantity
Condensate Neutralizer, 6 Million BTU, Model CN6T

Lochinvar & A.O. Smith

SKU: 100289582
$498.63
MSRP: $573.42
You save 15%
Lochinvar & A.O. Smith 100289582 Condensate Neutralizer 6M BTU CN6T quantity
Condensate Neutralizing Kit for High-Efficiency Boilers

Lochinvar & A.O. Smith

SKU: 100289581
$251.24
MSRP: $288.93
You save 15%
Lochinvar & A.O. Smith 100289581 Neutralizing Kit quantity
Control Overlay Label for KBXL Series Units

Lochinvar & A.O. Smith

SKU: 100289522
$66.63
MSRP: $76.62
You save 15%
Lochinvar & A.O. Smith 100289522 Control Overlay Label KBXL quantity
Gasket Set Assembly, OEM Replacement Part

Lochinvar & A.O. Smith

SKU: 100289497
$666.78
MSRP: $766.80
You save 15%
Lochinvar & A.O. Smith 100289497 Gasket Set Assy quantity
GKT20117 Replacement Gasket for Lochinvar & A.O. Smith Units

Lochinvar & A.O. Smith

SKU: 100289494
$585.28
MSRP: $673.07
You save 15%
Lochinvar & A.O. Smith 100289494 GKT20117 Replacement Gasket quantity
Gasket Set Assembly – OEM Replacement Part

Lochinvar & A.O. Smith

SKU: 100289493
$560.93
MSRP: $645.07
You save 15%
Lochinvar & A.O. Smith 100289493 Gasket Set Assy quantity
Rubber Burner Door Gasket CD, OEM Replacement Seal

Lochinvar & A.O. Smith

SKU: 100289462
$79.75
MSRP: $91.71
You save 15%
Lochinvar & A.O. Smith 100289462 Rubber Burner Door Gasket CD quantity
O-Ring Replacement Part for Water Heaters & Boilers

Lochinvar & A.O. Smith

SKU: 100289441
$71.21
MSRP: $81.89
You save 15%
Lochinvar & A.O. Smith 100289441 O-Ring Replacement Part quantity
Gasket Kit for Lochinvar & A.O. Smith Equipment

Lochinvar & A.O. Smith

SKU: 100289440
$236.00
MSRP: $271.40
You save 15%
Lochinvar & A.O. Smith 100289440 Gasket Kit quantity
Gasket Kit – Burner, Heat Exchanger & Sight Glass

Lochinvar & A.O. Smith

SKU: 100289437
$150.46
MSRP: $173.03
You save 15%
Lochinvar & A.O. Smith 100289437 Gasket Kit - Burner, Heat Exchanger & Sight Glass quantity
Air Filter 1″ x 16″ x 20″ Heavy-Duty Disposable

Lochinvar & A.O. Smith

SKU: 100289435
$36.88
MSRP: $42.41
You save 15%
Lochinvar & A.O. Smith 100289435 Air Filter 1" x 16" x 20" HD Disposable quantity
14x14x1 Disposel Air Filter for Lochinvar & A.O. Smith

Lochinvar & A.O. Smith

SKU: 100289433
$31.80
MSRP: $36.57
You save 15%
Lochinvar & A.O. Smith 100289433 14x14x1 Disposel Air Filter quantity
Knurled Head Screw – OEM Replacement Fastener

Lochinvar & A.O. Smith

SKU: 100289391
$32.16
MSRP: $36.98
You save 15%
Lochinvar & A.O. Smith 100289391 Screw, Knurled Head quantity
Condensate Neutralizer 300K BTU for High-Efficiency Appliances

Lochinvar & A.O. Smith

SKU: 100289339
$107.39
MSRP: $123.50
You save 15%
Lochinvar & A.O. Smith 100289339 Condensate Neutralizer 300K BTU CN2-300C quantity
Burner Fiber Board Replacement Part – SKU 100288927

Lochinvar & A.O. Smith

SKU: 100288927
$515.43
MSRP: $592.74
You save 15%
Lochinvar & A.O. Smith 100288927 Burner Fiber Board quantity
3/8″ Condensate Hose for Lochinvar & A.O. Smith Units

Lochinvar & A.O. Smith

SKU: 100288925
$36.75
MSRP: $42.26
You save 15%
Lochinvar & A.O. Smith 100288925 3/8" Condensate Hose quantity
1″ Condensate Hose for Lochinvar & A.O. Smith Units

Lochinvar & A.O. Smith

SKU: 100288924
$64.33
MSRP: $73.98
You save 15%
Lochinvar & A.O. Smith 100288924 1" Condensate Hose quantity
Heat Exchanger Gasket Kit for FTX725-850 Models

Lochinvar & A.O. Smith

SKU: 100288921
$789.53
MSRP: $907.96
You save 15%
Lochinvar & A.O. Smith 100288921 Heat Exchanger Gasket Kit FTX725-850 quantity
Heat Exchanger Gasket Set, 15-3/4″ Diameter

Lochinvar & A.O. Smith

SKU: 100288908
$665.70
MSRP: $765.56
You save 15%
Lochinvar & A.O. Smith 100288908 Heat Exchanger Gasket Set 15-3/4" Dia quantity
Ribbon Cable Replacement Part — SKU 100288901

Lochinvar & A.O. Smith

SKU: 100288901
$111.43
MSRP: $128.14
You save 15%
Lochinvar & A.O. Smith 100288901 Ribbon Cable quantity
Power Wire Harness for FTXL Series Units

Lochinvar & A.O. Smith

SKU: 100288900
$150.29
MSRP: $172.83
You save 15%
Lochinvar & A.O. Smith 100288900 Power Wire Harness for FTXL quantity
1″ Donut Gasket for FASIT 202 Water Heater

Lochinvar & A.O. Smith

SKU: 100288899
$20.35
MSRP: $23.40
You save 15%
Lochinvar & A.O. Smith 100288899 1" Donut Gasket for FASIT 202 quantity
Burner Gasket for FTX725-850 Water Heaters

Lochinvar & A.O. Smith

SKU: 100288893
$709.10
MSRP: $815.47
You save 15%
Lochinvar & A.O. Smith 100288893 Burner Gasket for FTX725-850 quantity
Burner Gasket 2-Pack, OEM Replacement Seal

Lochinvar & A.O. Smith

SKU: 100288892
$592.68
MSRP: $681.58
You save 15%
Lochinvar & A.O. Smith 100288892 Burner Gasket 2pk quantity