Conversion, Retrofit & Upgrade Kits

Conversion, Retrofit & Upgrade Kits transform existing HVAC and electrical systems into modern, energy-efficient solutions without full replacements. These kits extend equipment life while improving performance and reducing operating costs. Jackson Systems stocks conversion kits in multiple sizes and configurations – upgrade your systems today!

Filter

Brand

Showing 145–192 of 463 resultsSorted by popularity

Modbus Communication Kit for Compatible Water Heaters

Lochinvar & A.O. Smith

SKU: 100330257
$365.33
MSRP: $420.13
You save 15%
Lochinvar & A.O. Smith 100330257 Modbus Communication Kit 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
CONV 4040 Energy Smart to Standard Conversion Kit

Lochinvar & A.O. Smith

SKU: 100293703
$315.23
MSRP: $362.51
You save 15%
Lochinvar & A.O. Smith 100293703 CONV 4040 Energy Smart to Standard Kit quantity
Conversion 2 Element Kit, 4500W, 208V

Lochinvar & A.O. Smith

SKU: 100293211
$101.65
MSRP: $116.90
You save 15%
Read more
LP Conversion Kit for Compatible Water Heaters

Lochinvar & A.O. Smith

SKU: 100285817
$88.48
MSRP: $101.75
You save 15%
Lochinvar & A.O. Smith 100285817 LP Conversion Kit quantity
LP Conversion Kit for Compatible Water Heaters

Lochinvar & A.O. Smith

SKU: 100285815
$88.48
MSRP: $101.75
You save 15%
Lochinvar & A.O. Smith 100285815 LP Conversion Kit quantity
Conversion Kit LP for Compatible Water Heaters

Lochinvar & A.O. Smith

SKU: 100159009
$21.08
MSRP: $24.24
You save 15%
Lochinvar & A.O. Smith 100159009 Conversion Kit LP quantity
LP Conversion Kit for Compatible Water Heaters

Lochinvar & A.O. Smith

SKU: 100159008
$20.16
MSRP: $23.18
You save 15%
Lochinvar & A.O. Smith 100159008 LP Conversion Kit quantity
Natural-LP Gas Conversion Kit for Compatible Appliances

Lochinvar & A.O. Smith

SKU: 100158977
$314.76
MSRP: $361.97
You save 15%
Lochinvar & A.O. Smith 100158977 Natural-LP Gas Conversion Kit quantity
Venting Kit – Convert to Power Vent

Lochinvar & A.O. Smith

SKU: 100140483
$233.24
MSRP: $268.23
You save 15%
Lochinvar & A.O. Smith 100140483 Venting Kit - Convert to Power Vent quantity
Natural to LP Gas Conversion Kit with Gas Valve

Lennox

SKU: 77W89
$33.43
MSRP: $38.44
You save 15%
Read more
LP to Natural Gas Conversion Kit

Lennox

SKU: 73W81
$204.75
MSRP: $235.46
You save 15%
Lennox 73W81 LP to Natural Gas Conversion Kit quantity
LP to Natural Gas Conversion Kit

Lennox

SKU: 73W80
$144.51
MSRP: $166.19
You save 15%
Lennox 73W80 LP to Natural Gas Conversion Kit quantity
1HP Variable Speed Motor Kit

Lennox

SKU: 72W45
$843.98
MSRP: $970.58
You save 15%
Lennox 72W45 1HP Variable Speed Motor Kit quantity
Natural Gas to LP Conversion Kit

Lennox

SKU: 68W77
$470.38
MSRP: $540.94
You save 15%
Lennox 68W77 Natural Gas to LP Conversion Kit quantity
BACnet Replacement Kit for Lennox Systems

Lennox

SKU: 59W51
$1,034.55
MSRP: $1,189.73
You save 15%
Read more
Control Board Replacement Kit, SKU 59W47

Lennox

SKU: 59W47
$1,213.33
MSRP: $1,395.33
You save 15%
Lennox 59W47 Control Board Replacement Kit quantity
Vest Panel Control Board Kit for Lennox Systems

Lennox

SKU: 56W57
$141.73
MSRP: $162.99
You save 15%
Lennox 56W57 Vest Panel Control Board Kit quantity
Low Ambient Control Kit for Lennox Systems

Lennox

SKU: 54M89
$212.34
MSRP: $244.19
You save 15%
Lennox 54M89 Low Ambient Control Kit quantity
2-Stage Natural Gas to Propane Conversion Kit

Lennox

SKU: 51W02
$589.88
MSRP: $678.36
You save 15%
Lennox 51W02 2-Stage Natural to LP Gas Conversion Kit quantity
LP/Natural Gas Conversion Kit, SKU 44W49

Lennox

SKU: 44W49
$220.50
MSRP: $253.58
You save 15%
Lennox 44W49 LP/Natural Gas Conversion Kit quantity
LB-97804C Natural/LP Gas Conversion Kit

Lennox

SKU: 44W48
$102.00
MSRP: $117.30
You save 15%
Lennox 44W48 LB-97804C Natural/LP Gas Conversion Kit quantity
IMC BACnet Replacement Kit for Lennox Systems

Lennox

SKU: 39W75
$379.04
MSRP: $435.90
You save 15%
Lennox 39W75 IMC BACnet Replacement Kit quantity
Low Ambient Kit for Air Conditioning Systems

Lennox

SKU: 34M72
$118.13
MSRP: $135.85
You save 15%
Lennox 34M72 Low Ambient Kit for Air Conditioning Systems quantity
Ignition Control Kit for Lennox Heating Systems

Lennox

SKU: 27P17
$535.50
MSRP: $615.83
You save 15%
Lennox 27P17 Ignition Control Kit quantity
15KW Electric Heat Kit for Air Handlers

Lennox

SKU: 27A17
$547.73
MSRP: $629.89
You save 15%
Lennox 27A17 15KW Electric Heat Kit for Air Handlers quantity
Natural Gas to Liquid Propane Conversion Kit

Lennox

SKU: 25W20
$102.00
MSRP: $117.30
You save 15%
Lennox 25W20 Natural Gas to Liquid Propane Conversion Kit quantity
15kW Electric Heat Kit, 480V 3-Phase

Lennox

SKU: 24U17
$915.06
MSRP: $1,052.32
You save 15%
Lennox 24U17 15kW Electric Heat Kit 480V 3-Phase quantity
Replacement Motor Kit 3/4 HP 115V CT

Lennox

SKU: 23V91
$426.83
MSRP: $490.85
You save 15%
Lennox 23V91 Replacement Motor Kit 3/4 HP 115V CT quantity
Propane Conversion Kit for Compatible Lennox Units

Lennox

SKU: 22B87
$121.94
MSRP: $140.23
You save 15%
Lennox 22B87 Propane Conversion Kit quantity
Two-Stage Natural Gas to LP Conversion Kit

Lennox

SKU: 21Z23
$140.58
MSRP: $161.67
You save 15%
Read more
Single-Stage Natural Gas to LP Conversion Kit

Lennox

SKU: 21Z22
$80.33
MSRP: $92.38
You save 15%
Lennox 21Z22 Single-Stage Natural Gas to LP Conversion Kit quantity
Ignition Control Kit, OEM Replacement

Lennox

SKU: 19V33
$245.70
MSRP: $282.56
You save 15%
Lennox 19V33 607308-20 Ignition Control Kit quantity
ECB29-20F-G 20KW Electric Heater Kit

Lennox

SKU: 19F33
$653.68
MSRP: $751.73
You save 15%
Lennox 19F33 ECB29-20F-G 20KW Electric Heater Kit quantity
LP Conversion Kit for Lennox Gas Furnaces

Lennox

SKU: 18L11
$149.10
MSRP: $171.47
You save 15%
Lennox 18L11 LP Conversion Kit for Lennox Gas Furnaces quantity
Harness Constant Torque Kit for Lennox Systems

Lennox

SKU: 17D97
$119.31
MSRP: $137.21
You save 15%
Lennox 17D97 Harness Constant Torque Kit quantity
Inverter Kit for Compatible Lennox Systems

Lennox

SKU: 16Y24
$1,610.81
MSRP: $1,852.43
You save 15%
Lennox 16Y24 Inverter Kit quantity
Twinning Kit for Parallel Furnace Operation

Lennox

SKU: 16W72
$319.50
MSRP: $367.43
You save 15%
Lennox 16W72 Twinning Kit for Parallel Furnace Operation quantity
iComfort Control Kit

Lennox

SKU: 16B27
$440.64
MSRP: $506.74
You save 15%
Lennox 16B27 iComfort Control Kit quantity
High Altitude Switch Kit for 7,501–10,000 ft Elevations

Lennox

SKU: 14T65
$51.75
MSRP: $59.51
You save 15%
Lennox 14T65 High Altitude Switch Kit for 7,501–10,000 ft Elevations quantity
Natural Gas to Liquid Propane Conversion Kit

Lennox

SKU: 14N29
$91.74
MSRP: $105.50
You save 15%
Lennox 14N29 Natural Gas to LP Conversion Kit quantity
High Heat LP Conversion Kit for Lennox Systems

Lennox

SKU: 14N25
$80.75
MSRP: $92.86
You save 15%
Read more
LP Conversion Kit for Compatible Lennox Equipment

Lennox

SKU: 14N23
$80.75
MSRP: $92.86
You save 15%
Lennox 14N23 LP Conversion Kit quantity
RFC Kit .093 Refrigerant Flow Control Kit

Lennox

SKU: 11W11
$12.92
MSRP: $14.86
You save 15%
Lennox 11W11 RFC Kit .093 Refrigerant Flow Control Kit quantity
.083 Orifice RFC Kit for Lennox Gas Furnace Burners

Lennox

SKU: 11W07
$13.39
MSRP: $15.40
You save 15%
Lennox 11W07 .083 Orifice RFC Kit quantity
.073 RFC Orifice Replacement Kit

Lennox

SKU: 11W02
$15.35
MSRP: $17.65
You save 15%
Lennox 11W02 .073 RFC Orifice Replacement Kit quantity
2-Stage Natural Gas to LP Propane Conversion Kit

Lennox

SKU: 11K51
$362.25
MSRP: $416.59
You save 15%
Lennox 11K51 2-Stage Natural Gas to LP Conversion Kit quantity
LP Gas Conversion Kit for Compatible Lennox Units

Lennox

SKU: 11K49
$330.75
MSRP: $380.36
You save 15%
Lennox 11K49 LP Gas Conversion Kit quantity