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    Hot Surface Ignition Controls

    Home HVAC Thermostats & HVAC Controls Controls Gas Heat Controls

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    Items 1 to 30 of 30 total
    White-Rodgers 50M56U-843 Universal Single Stage HSI Integrated Furnace Control Kit

    BRAND: White-Rodgers

    ID: #WR100-1S9-1000
    Sold Out
    White-Rodgers 50M56U-843 Universal Single Stage HSI Integrated Furnace Control Kit
    Replaces over 230 integrated HSI modules on both 120V/80V ignition applications Contains: 50M56-843 ignition control module, 21D64-2 ignitor kit, set of interconnect harnesses System diagnostics,...
    SKU:
    50M56U-843
    Vendor:
    White-Rodgers
    Type:
    Universal Single Stage HSI Integrated Furnace Control Kit
    Availability:
    Out-Stock
    Sold Out
    White-Rodgers 50A55-3797 Trane Single Stage 120V Ignitor HSI Integrated Furnace Control Kit

    BRAND: White-Rodgers

    ID: #WR100-1S9-1005
    $189.75 USD
    White-Rodgers 50A55-3797 Trane Single Stage 120V Ignitor HSI Integrated Furnace Control Kit
    Replaces White-Rodgers and Trane Single Stage HSI Controls with 120V Ignitors Easy install kit includes: ignition control module, installation instructions and OEM cross-reference 120 VAC...
    SKU:
    50A55-3797
    Vendor:
    White-Rodgers
    Type:
    Trane Single Stage 120V Ignitor HSI Integrated Furnace Control Kit
    Availability:
    In-Stock
    $189.75 USD
    White-Rodgers 50A66-743 Single Stage Hot Surface Ignition Integrated Furnace Control For Lennox

    BRAND: White-Rodgers

    ID: #WR100-2MP9-0040
    $170.20 USD
    White-Rodgers 50A66-743 Single Stage Hot Surface Ignition Integrated Furnace Control For Lennox
    Furnace Control Board Type 1-Stage, Integrated Flame Sense Type Integrated Ignition Source Hot Surface Ignition Sequence 4-Trial Prepurge Time 15 Second Valve Rating 2 Amp...
    SKU:
    50A66-743
    Vendor:
    White-Rodgers
    Type:
    Power Contactor
    Availability:
    In-Stock
    $170.20 USD
    White-Rodgers 50C51-707 Two Stage HSI Integrated Furnace Control for Goodman Variable Speed blower Applications

    BRAND: White-Rodgers

    ID: #WR100-2MP9-0040
    $219.73 USD
    White-Rodgers 50C51-707 Two Stage HSI Integrated Furnace Control for Goodman Variable Speed blower Applications
    Integrated Furnace Control Type 2-Stage, Integrated Ignition Source Hot Surface Application Furnace Voltage 120 Volt Mounting Drop-In Replacement RV Shift Delay 30 Second Maximum Defrost...
    SKU:
    50C51-707
    Vendor:
    White-Rodgers
    Type:
    Power Contactor
    Availability:
    In-Stock
    $219.73 USD
    White-Rodgers 50M56-743 One Or Two Stage Hot Surface Ignition Integrated Furnace Control For Goodman

    BRAND: White-Rodgers

    ID: #WR100-1S9-0112
    $94.46 USD
    White-Rodgers 50M56-743 One Or Two Stage Hot Surface Ignition Integrated Furnace Control For Goodman
    Integrated Furnace Control Type 1 or 2-Stage, Integrated Ignition Source Hot Surface Prepurge Time 30 Second Flame Failure Response Time 2 Second Valve Rating 0.45...
    SKU:
    50M56-743
    Vendor:
    White-Rodgers
    Type:
    Direct Spark Ignition Module
    Availability:
    In-Stock
    $94.46 USD
    White-Rodgers 48C21-707 Two-Stage Air Handler Control

    BRAND: White-Rodgers

    ID: #WR100-1S9-1028
    $238.05 USD
    White-Rodgers 48C21-707 Two-Stage Air Handler Control
    Air Handler Control for Goodman Variable Speed blower applications Designed to work as part of a fully communicating HVAC system Uses 4 wires or legacy...
    SKU:
    48C21-707
    Vendor:
    White-Rodgers
    Type:
    Universal Non-Integrated HSI Ignition Module
    Availability:
    In-Stock
    $238.05 USD
    White-Rodgers F50N02-820 Trane Two-Stage Integrated DSI Furnace Control

    BRAND: White-Rodgers

    ID: #WR100-1S9-1027
    $161.00 USD
    White-Rodgers F50N02-820 Trane Two-Stage Integrated DSI Furnace Control
    Single or two-stage application Direct spark ignition 80s cool off delay For packaged rooftop units Green diagnostic LED
    SKU:
    F50N02-820
    Vendor:
    White-Rodgers
    Type:
    Universal Non-Integrated HSI Ignition Module
    Availability:
    In-Stock
    $161.00 USD
    White-Rodgers 48X21-811 Air handler Control Kit for ECMx Blower Motors

    BRAND: White-Rodgers

    ID: #WR100-1S9-1026
    $70.15 USD
    White-Rodgers 48X21-811 Air handler Control Kit for ECMx Blower Motors
    Direct replacement for 9 OEM Rheem controls Fas drop-in OEM mounting and wiring
    SKU:
    48X21-811
    Vendor:
    White-Rodgers
    Type:
    Universal Non-Integrated HSI Ignition Module
    Availability:
    In-Stock
    $70.15 USD
    White-Rodgers 50N02B-820 Two-Stage Integrated DSI Furnace Control

    BRAND: White-Rodgers

    ID: #WR100-1S9-1025
    $254.15 USD
    White-Rodgers 50N02B-820 Two-Stage Integrated DSI Furnace Control
    Integrated Furnace Control for aftermarket service direct replacements on Trane Commercial Systems packaged units Single or two-stage application Direct spark ignition 45s cool off delay...
    SKU:
    50N02B-820
    Vendor:
    White-Rodgers
    Type:
    Packaged HVAC Unit
    Availability:
    In-Stock
    $254.15 USD
    White-Rodgers 50E70-820 Trane Non-Integrated HSI Ignition Module Kit

    BRAND: White-Rodgers

    ID: #WR100-1S9-1024
    $249.55 USD
    White-Rodgers 50E70-820 Trane Non-Integrated HSI Ignition Module Kit
    Single stage application Flame current test pins 120V HSI ignition Red & green status LEDs Adapter board and harness included For packaged rooftop units
    SKU:
    50E70-820
    Vendor:
    White-Rodgers
    Type:
    Universal Non-Integrated HSI Ignition Module
    Availability:
    In-Stock
    $249.55 USD
    White-Rodgers 48P55-751 Direct Replacement Air Handler control for Carrier Single Stage Air Handler with PSC Blowers

    BRAND: White-Rodgers

    ID: #WR100-1S9-1023
    $77.05 USD
    White-Rodgers 48P55-751 Direct Replacement Air Handler control for Carrier Single Stage Air Handler with PSC Blowers
    Direct Replacement Air Handler control for Carrier Single Stage Air Handler with PSC Blowers Fast drop-in OEM mounting and wiring
    SKU:
    48P55-751
    Vendor:
    White-Rodgers
    Type:
    Universal Non-Integrated HSI Ignition Module
    Availability:
    In-Stock
    $77.05 USD
    White-Rodgers 48M55-751 Direct Replacement Air Handler control for Carrier Single Stage Air Handler with PSC Blowers or ECMx Blowers

    BRAND: White-Rodgers

    ID: #WR100-1S9-1022
    $108.10 USD
    White-Rodgers 48M55-751 Direct Replacement Air Handler control for Carrier Single Stage Air Handler with PSC Blowers or ECMx Blowers
    Direct Replacement Air Handler control for Carrier Single Stage Air Handler with PSC Blowers or ECMx Blowers
    SKU:
    48M55-751
    Vendor:
    White-Rodgers
    Type:
    Universal Non-Integrated HSI Ignition Module
    Availability:
    In-Stock
    $108.10 USD
    White-Rodgers 50V54-820 Trane Direct Replacement Two-Stage Furnace Control Kit

    BRAND: White-Rodgers

    ID: #WR100-1S9-1020
    $591.10 USD
    White-Rodgers 50V54-820 Trane Direct Replacement Two-Stage Furnace Control Kit
    For 80V And 120V Hot Surface Ignition And Variable Speed Blower Motors & Inducers Supercedes 50V64-743 And Now Includes OEM Style IGN00152 120V Nitride Ignitor,...
    SKU:
    50V54-820
    Vendor:
    White-Rodgers
    Type:
    Universal Non-Integrated HSI Ignition Module
    Availability:
    In-Stock
    $591.10 USD
    White-Rodgers 48P21-811 Air Handler Control Kit for PSC Blower Motors

    BRAND: White-Rodgers

    ID: #WR100-1S9-1019
    $80.50 USD
    White-Rodgers 48P21-811 Air Handler Control Kit for PSC Blower Motors
    Direct replacement for 14 OEM Rheem controls Includes wire harness andWiring Diagrams to update older units
    SKU:
    48P21-811
    Vendor:
    White-Rodgers
    Type:
    Universal Non-Integrated HSI Ignition Module
    Availability:
    In-Stock
    $80.50 USD
    White-Rodgers 50N02A-820 Two-Stage Integrated DSI Furnace Control

    BRAND: White-Rodgers

    ID: #WR100-1S9-1018
    Sold Out
    White-Rodgers 50N02A-820 Two-Stage Integrated DSI Furnace Control
    Integrated Furnace Control for aftermarket service direct replacements on Trane Commercial Systems packaged unitsc Single or two-stage application Direct spark ignition 80s cool off delay...
    SKU:
    50N02A-820
    Vendor:
    White-Rodgers
    Type:
    Packaged HVAC Unit
    Availability:
    Out-Stock
    Sold Out
    White-Rodgers 789A-751A1 Carrier Direct Replacement 120V Hot Surface Silicon Nitride Ignitor. Replaces Carrier LH33ZG001

    BRAND: White-Rodgers

    ID: #WR100-1S9-1017
    $40.25 USD
    White-Rodgers 789A-751A1 Carrier Direct Replacement 120V Hot Surface Silicon Nitride Ignitor. Replaces Carrier LH33ZG001
    Carrier Direct Replacement 120V Hot Surface Silicon Nitride Ignitor. Replaces Carrier LH33ZG001.
    SKU:
    789A-751A1
    Vendor:
    White-Rodgers
    Type:
    Universal Non-Integrated HSI Ignition Module
    Availability:
    In-Stock
    $40.25 USD
    White-Rodgers 50X57-843 Universal Single Stage Furnace Control of ECMx Blower Motors

    BRAND: White-Rodgers

    ID: #WR100-1S9-1015
    Sold Out
    White-Rodgers 50X57-843 Universal Single Stage Furnace Control of ECMx Blower Motors
    Services Carrier, Lennox, Trane and York Models Mounting design fits all OEM models Minimal harnesses needed with patented parallel connectors Advanced diagnostics- Tri-Color LED shows...
    SKU:
    50X57-843
    Vendor:
    White-Rodgers
    Type:
    Universal Non-Integrated HSI Ignition Module
    Availability:
    Out-Stock
    Sold Out
    White-Rodgers 21V51D-751 Two-Stage Integrated HSI Furnace Control Kit

    BRAND: White-Rodgers

    ID: #WR100-1S9-1014
    $271.40 USD
    White-Rodgers 21V51D-751 Two-Stage Integrated HSI Furnace Control Kit
    Two-Stage HSI Integrated Furnace Control kit for many Carrier brands with PSC, Variable Speed, and ECMx Blowers configured via dipswitch selection PSC/VS or ECMx blower...
    SKU:
    21V51D-751
    Vendor:
    White-Rodgers
    Type:
    Universal Non-Integrated HSI Ignition Module
    Availability:
    In-Stock
    $271.40 USD
    White-Rodgers 50A56-956 York Single Stage HSI Integrated Furnace Control Kit

    BRAND: White-Rodgers

    ID: #WR100-1S9-1013
    $131.10 USD
    White-Rodgers 50A56-956 York Single Stage HSI Integrated Furnace Control Kit
    Replaces White-Rodgers 50A56-242 and 50A56-243 and Virtually All York Single Stage HSI Controls with 120V Ignitors Easy install kit includes: ignition control module, installation instructions...
    SKU:
    50A56-956
    Vendor:
    White-Rodgers
    Type:
    Universal Non-Integrated HSI Ignition Module
    Availability:
    In-Stock
    $131.10 USD
    White-Rodgers 21V51U-843 Universal Furnace Control Kit

    BRAND: White-Rodgers

    ID: #WR100-1S9-1012
    $336.95 USD
    White-Rodgers 21V51U-843 Universal Furnace Control Kit
    Two stage hot surface ignition integrated control Includes: ignition control module, wiring harnesses for Amana/Goodman, universal 120V nitride ignitor kit (21D64-2), installation instructions and OEM...
    SKU:
    21V51U-843
    Vendor:
    White-Rodgers
    Type:
    Universal Non-Integrated HSI Ignition Module
    Availability:
    In-Stock
    $336.95 USD
    White-Rodgers 21M51U-843 Universal Two-stage HSI Integrated Furnace Control Kit

    BRAND: White-Rodgers

    ID: #WR100-1S9-1011
    $336.95 USD
    White-Rodgers 21M51U-843 Universal Two-stage HSI Integrated Furnace Control Kit
    3-speed (PSC) circulator furnace control Includes: ignition control module, universal 120V nitride ignitor kit – 21D64-2, installation instructions and OEM cross-reference Replaces White-Rodgers 50M51-242 and...
    SKU:
    21M51U-843
    Vendor:
    White-Rodgers
    Type:
    Universal Two-stage HSI Integrated Furnace Control Kit
    Availability:
    In-Stock
    $336.95 USD
    White-Rodgers 50E47-843 Universal Non-Integrated HSI Ignition Module

    BRAND: White-Rodgers

    ID: #WR100-1S9-1010
    $154.10 USD
    White-Rodgers 50E47-843 Universal Non-Integrated HSI Ignition Module
    Program keys for multiple timing selections Tri-colored LED indicator for diagnostics Direct and indirect flame sense compatible Universal design for maximum versatility
    SKU:
    50E47-843
    Vendor:
    White-Rodgers
    Type:
    Universal Non-Integrated HSI Ignition Module
    Availability:
    In-Stock
    $154.10 USD
    White-Rodgers 50T35-743 Silicon Carbide Integrated Furnace Control

    BRAND: White-Rodgers

    ID: #WR100-1S9-1009
    Sold Out
    White-Rodgers 50T35-743 Silicon Carbide Integrated Furnace Control
    Direct replacement for Goodman B1809913 Controls gas valve, ignitor, two speed blower motor, inducer, humidifier (both 120V and 24V input) Includes flash code diagnostics Twinning...
    SKU:
    50T35-743
    Vendor:
    White-Rodgers
    Type:
    Silicon Carbide Integrated Furnace Control
    Availability:
    Out-Stock
    Sold Out
    White-Rodgers 50M56U-801 Integrated Furnace Control

    BRAND: White-Rodgers

    ID: #WR100-1S9-1008
    $194.35 USD
    White-Rodgers 50M56U-801 Integrated Furnace Control
    Single Stage applications PSC blower motor 120V HSI ignition Includes wiring harnesses, control with Fault Recall and LED display, and dipswitches to set blower delays...
    SKU:
    50M56U-801
    Vendor:
    White-Rodgers
    Type:
    Integrated Furnace Control
    Availability:
    In-Stock
    $194.35 USD
    White-Rodgers 50A65-843 Universal Nitride Ignition Integrated Furnace Control

    BRAND: White-Rodgers

    ID: #WR100-1S9-1007
    $187.45 USD
    White-Rodgers 50A65-843 Universal Nitride Ignition Integrated Furnace Control
    Replaces OEM, Trane, York, ICP and Amana models Includes diagnostic indicator flash codes Replaceable 3A fuse 60 minute auto reset Single channel flame sense
    SKU:
    50A65-843
    Vendor:
    White-Rodgers
    Type:
    Universal Nitride Ignition Integrated Furnace Control
    Availability:
    In-Stock
    $187.45 USD
    White-Rodgers 50A65-5165 Trane Single Stage 80V Ignitor HSI Integrated Furnace Control Kit

    BRAND: White-Rodgers

    ID: #WR100-1S9-1006
    $193.20 USD
    White-Rodgers 50A65-5165 Trane Single Stage 80V Ignitor HSI Integrated Furnace Control Kit
    Replaces White-Rodgers and Trane Single Stage HSI Controls with 80V Ignitors Easy install kit includes: ignition control module, installation instructions and OEM cross-reference 80 VAC...
    SKU:
    50A65-5165
    Vendor:
    White-Rodgers
    Type:
    Trane Single Stage 80V Ignitor HSI Integrated Furnace Control K
    Availability:
    In-Stock
    $193.20 USD
    White-Rodgers 50A55-743 Silicon Carbide Singe Stage Integrated Furnace Control

    BRAND: White-Rodgers

    ID: #WR100-1S9-1004
    $64.40 USD
    White-Rodgers 50A55-743 Silicon Carbide Singe Stage Integrated Furnace Control
    Controls gas valve, ignitor, blower, inducer, humidifier (both 120V and 24V input), and air cleaner Includes flash code diagnostics Twining connection Fused to protect low...
    SKU:
    50A55-743
    Vendor:
    White-Rodgers
    Type:
    Silicon Carbide Singe Stage Integrated Furnace Control
    Availability:
    In-Stock
    $64.40 USD
    White-Rodgers 21D83M-843 Nitride Ignition Integrated Furnace Control

    BRAND: White-Rodgers

    ID: #WR100-1S9-1003
    $316.25 USD
    White-Rodgers 21D83M-843 Nitride Ignition Integrated Furnace Control
    Replaces Lennox 83M00 service module Controls gas valve, ignitor, blower, inducer, humidifier and air cleaner Includes diagnostic indicator flash codes 3 fan speeds Remote flame...
    SKU:
    21D83M-843
    Vendor:
    White-Rodgers
    Type:
    Nitride Ignition Integrated Furnace Control
    Availability:
    In-Stock
    $316.25 USD
    White-Rodgers 50M56U-751 Carrier Single Stage HSI Integrated Furnace Control Kit

    BRAND: White-Rodgers

    ID: #WR100-1S9-1002
    $205.85 USD
    White-Rodgers 50M56U-751 Carrier Single Stage HSI Integrated Furnace Control Kit
    Replaces White-Rodgers 50M56-751 and virtually all Carrier single stage HSI controls with 120V ignitors Easy install kit includes: ignition control module, installation instructions and OEM...
    SKU:
    50M56U-751
    Vendor:
    White-Rodgers
    Type:
    Carrier Single Stage HSI Integrated Furnace Control Kit
    Availability:
    In-Stock
    $205.85 USD
    White-Rodgers 50A55-843 Universal Silicon Carbide Integrated Furnace Control

    BRAND: White-Rodgers

    ID: #WR100-1S9-1001
    $196.65 USD
    White-Rodgers 50A55-843 Universal Silicon Carbide Integrated Furnace Control
    Use in natural and LP Gas applications Ignition trial time: 4 seconds; prepurge time: 30 seconds; retries: 2 times Replaces White-Rodgers 50A50/50A55's and OEM replacement...
    SKU:
    50A55-843
    Vendor:
    White-Rodgers
    Type:
    Universal Silicon Carbide Integrated Furnace Control
    Availability:
    In-Stock
    $196.65 USD

    Shop Hot Surface Ignition Controls at SupplyShop

    Find hot surface ignition controls for HVAC installation, replacement, repair, and maintenance work. Browse options such as Universal Single Stage HSI Integrated Furnace Control Kit, Trane Single Stage 120V Ignitor HSI Integrated Furnace Control Kit, Power Contactor, Direct Spark Ignition Module. Compare brands such as White-Rodgers when a direct replacement or approved brand matters.

    How to choose hot surface ignition controls

    • Match the product page details to the equipment nameplate, project plan, or replacement part requirements.
    • Compare capacity, voltage, phase, airflow, refrigerant, orientation, controls, and accessory requirements where they apply.
    • Use product photos, manuals, model numbers, and SKU details to confirm the selection before checkout.

    Before you order

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