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 97–144 of 463 resultsSorted by popularity

TH19X RetroStat Thermostat Retrofit Kit, White

Siemens

SKU: 192-868W
$45.75
MSRP: $52.61
You save 15%
Siemens 192-868W TH19X RetroStat Thermostat Retrofit Kit, White quantity
Thermostat Retrofit Kit, White, Direct Acting, Close-Up Subbase

Siemens

SKU: 192-850W
$175.36
MSRP: $201.66
You save 15%
Read more
RetroStat Kit Direct Acting with White Cover

Siemens

SKU: 192-840W
$169.65
MSRP: $195.10
You save 15%
Siemens 192-840W RetroStat Kit Direct Acting with White Cover quantity
Retrostat Retrofit Kit, Direct Acting with Cover, Beige

Siemens

SKU: 192-840
$161.66
MSRP: $185.91
You save 15%
Siemens Building Technology 192-840 Retrostat Kit, Direct Acting with Cover, Beige quantity
Retrostat Day/Night Direct Acting Thermostat, Powers F Deg

Siemens

SKU: 192-3044
$274.66
MSRP: $315.86
You save 15%
Siemens Building Technology 192-3044 Retrostat Day/Night Direct Acting Thermostat quantity
Natural Gas to Propane Conversion Kit for Noritz Units

Noritz

SKU: CK-24
$363.44
MSRP: $417.96
You save 15%
Noritz CK-24 Natural Gas to Propane Conversion Kit quantity
NG to Propane Conversion Kit for Noritz Tankless Water Heaters

Noritz

SKU: CK-18
$382.16
MSRP: $439.48
You save 15%
Noritz CK-18 NG to Propane Conversion Kit quantity
15KW Electric Heat Strip Kit, 230V Single-Phase

Nordyne

SKU: 922527D
$369.96
MSRP: $425.45
You save 15%
Nordyne 922527D 15KW Electric Heat Strip Kit 230V 1-Phase quantity
10KW Electric Heater Kit, Model H8HK010H-01A

Nordyne

SKU: 922525D
$203.65
MSRP: $234.20
You save 15%
Nordyne 922525D 10KW Electric Heater Kit M#H8HK010H-01A quantity
5KW Electric Heat Strip Kit for Nordyne Systems

Nordyne

SKU: 922521D
$207.04
MSRP: $238.10
You save 15%
Nordyne 922521D 5KW Electric Heat Strip Kit quantity
5 KW Electric Heater Kit for Compatible Nordyne Systems

Nordyne

SKU: 922520D
$142.58
MSRP: $163.97
You save 15%
Nordyne 922520D 5 KW Electric Heater Kit quantity
Evaporator Coil Tube/Fin, Compatible with R22 & R410A

Nordyne

SKU: 921951
$916.36
MSRP: $1,053.81
You save 15%
Nordyne 921951 Evaporator Coil Tube/Fin R22/R410A quantity
IQ Thermostat Kit for Compatible Nordyne Systems

Nordyne

SKU: 920621G
$802.00
MSRP: $922.30
You save 15%
Nordyne 920621G IQ Thermostat Kit quantity
Down Flow Kit for Compatible Nordyne Systems

Nordyne

SKU: 917342
$133.31
MSRP: $153.31
You save 15%
Nordyne 917342 Down Flow Kit quantity
20kW Electric Heat Kit with Breakers

Nordyne

SKU: 917173C
$368.73
MSRP: $424.04
You save 15%
Nordyne 917173C 20kW Electric Heat Kit with Breakers quantity
Natural to Liquid Propane Gas Conversion Kit

Nordyne

SKU: 905028
$104.65
MSRP: $120.35
You save 15%
Nordyne 905028 Natural to Liquid Propane Gas Conversion Kit quantity
LP Conversion Kit for Compatible Nordyne Equipment

Nordyne

SKU: 904404A
$121.40
MSRP: $139.61
You save 15%
Nordyne 904404A LP Conversion Kit quantity
Natural Gas to Liquid Propane Conversion Kit

Nordyne

SKU: 904090A
$105.54
MSRP: $121.37
You save 15%
Nordyne 904090A Natural Gas to Liquid Propane Conversion Kit quantity
Standing Pilot to Hot Surface Ignition Conversion Kit

Nordyne

SKU: 903428
$711.20
MSRP: $817.88
You save 15%
Read more
Circuit Board & Ignitor Replacement Kit

Nordyne

SKU: 903400
$330.81
MSRP: $380.43
You save 15%
Nordyne 903400 Circuit Board & Ignitor Replacement Kit quantity
Replacement Sequencer Kit for Nordyne Systems

Nordyne

SKU: 1050869
$55.91
MSRP: $64.30
You save 15%
Nordyne 1050869 Replacement Sequencer Kit quantity
10kW Electric Heat Strip Kit, Model HK1-10K-01A

Nordyne

SKU: 1049198A
$196.61
MSRP: $226.10
You save 15%
Nordyne 1049198A Heat Kit HK1-10K-01A, 10kW Electric Heat Strip quantity
Universal Conversion Kit for Heating System Upgrades

National Comfort Products

SKU: 14208604-KIT
$163.24
MSRP: $187.73
You save 15%
Read more
TFT Touchscreen Upgrade Kit for NTI Boilers

NTI Boiler

SKU: 64980553
$1,574.56
MSRP: $1,810.74
You save 15%
NTI Boiler 64980553 TFT Touchscreen Upgrade Kit quantity
Condensate Y Upgrade Kit for Ti10 Boilers

NTI Boiler

SKU: 6008304201
$22.53
MSRP: $25.91
You save 15%
NTI Boiler 6008304201 Condensate Y Upgrade Kit (Ti10) quantity
2500W-240V/1875W-208V Electric Heater Restringing Kit

Mars

SKU: 34616
$36.78
MSRP: $42.30
You save 15%
Mars 34616 2500W-240V/1875W-208V Electric Heater Restringing Kit quantity
4KW Electric Heat Kit for Marvair HVAC Systems

Marvair

SKU: 70413
$149.21
MSRP: $171.59
You save 15%
Marvair 70413 4KW Electric Heat Kit quantity
Universal Smart Lite Ignitor Kit, 24V

Igniters Direct

SKU: SLURK24V
$36.75
MSRP: $42.26
You save 13%
Igniters Direct SLURK24V Universal Smart Lite Ignitor Kit 24V quantity
LP to Natural Gas Conversion Kit for Modine Heaters

Modine

SKU: 3H0372760007
$102.91
MSRP: $118.35
You save 15%
Modine 3H0372760007 LP to Natural Gas Conversion Kit quantity
LP to Natural Gas Conversion Kit

Modine

SKU: 3H0372760003
$102.91
MSRP: $118.35
You save 15%
Read more
LP to Natural Gas Conversion Kit for Modine Heaters

Modine

SKU: 3H0372760002
$102.91
MSRP: $118.35
You save 15%
Modine 3H0372760002 LP to Natural Gas Conversion Kit quantity
LP to Natural Gas Conversion Kit

Modine

SKU: 3H0372760001
$102.98
MSRP: $118.43
You save 15%
Modine 3H0372760001 LP to Natural Gas Conversion Kit quantity
Natural Gas to LP Propane Conversion Kit

Modine

SKU: 3H0372660008
$102.91
MSRP: $118.35
You save 15%
Modine 3H0372660008 Natural to LP Conversion Kit quantity
Natural Gas to LP Conversion Kit for Modine Heaters

Modine

SKU: 3H0372660006
$102.98
MSRP: $118.43
You save 15%
Read more
Natural Gas to LP Conversion Kit for Modine Heaters

Modine

SKU: 3H0372660004
$102.98
MSRP: $118.43
You save 15%
Modine 3H0372660004 Natural Gas to LP Conversion Kit quantity
Natural Gas to LP Conversion Kit

Modine

SKU: 3H0372660003
$102.91
MSRP: $118.35
You save 15%
Modine 3H0372660003 Natural Gas to LP Conversion Kit quantity
Natural Gas to LP Propane Conversion Kit

Modine

SKU: 3H0372660002
$102.91
MSRP: $118.35
You save 15%
Modine 3H0372660002 Natural to LP Conversion Kit quantity
Natural Gas to LP Conversion Kit for Modine Heaters

Modine

SKU: 3H0372660001
$102.91
MSRP: $118.35
You save 15%
Modine 3H0372660001 Natural to LP Conversion Kit quantity
LP to Natural Gas Conversion Kit for Modine Heaters

Modine

SKU: 3H0370460001
$102.91
MSRP: $118.35
You save 15%
Modine 3H0370460001 LP to Natural Gas Conversion Kit quantity
Natural to LP Gas Conversion Kit for Modine Heaters

Modine

SKU: 3H0349330001
$117.63
MSRP: $135.27
You save 15%
Read more
LP to Natural Gas Conversion Kit for Modine Heaters

Modine

SKU: 3H0346710029
$102.91
MSRP: $118.35
You save 15%
Modine 3H0346710029 LP to Natural Gas Conversion Kit quantity
Natural Gas to LP Conversion Kit for Modine Heaters

Modine

SKU: 3H0346700010
$142.25
MSRP: $163.59
You save 15%
Modine 3H0346700010 Natural Gas to LP Conversion Kit quantity
Natural Gas to LP Conversion Kit

Modine

SKU: 3H0346700009
$117.63
MSRP: $135.27
You save 15%
Modine 3H0346700009 Natural Gas to LP Conversion Kit quantity
LP Conversion Kit for Compatible Modine Heaters

Modine

SKU: 3H0346700008
$117.63
MSRP: $135.27
You save 15%
Modine 3H0346700008 LP Conversion Kit quantity
Conversion Kit for Compatible Modine Heating Units

Modine

SKU: 3H0346700007
$117.63
MSRP: $135.27
You save 15%
Modine 3H0346700007 Conversion Kit quantity
Natural Gas to LP Gas Conversion Kit

Modine

SKU: 3H0346700006
$117.63
MSRP: $135.27
You save 15%
Modine 3H0346700006 Natural Gas to LP Gas Conversion Kit quantity
Natural Gas to LP Propane Conversion Kit

Modine

SKU: 3H0346700003
$118.28
MSRP: $136.02
You save 15%
Modine 3H0346700003 Natural Gas to LP Conversion Kit quantity
Natural to LP Conversion Kit for Modine Heaters

Modine

SKU: 3H0337490004
$102.91
MSRP: $118.35
You save 15%
Modine 3H0337490004 Natural to LP Conversion Kit quantity