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Fenwal

Fenwal

Browse Fenwal replacement parts at Furnace Part Source, including available ignition modules, ignition controls, HSI controls, temperature controls, wire harnesses, thermoswitch controllers, and related HVAC service components. Match the exact Fenwal part number, control type, voltage, temperature range, wiring connections, equipment model, and application before purchasing to help confirm the correct replacement.

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    Fenwal 35-725201-505 Control SING TRY 5SEC PREPURGE 10S TFI

    Fenwal

    MSRP: $253.19
    Now: $195.65
    Fenwal 35-725201-505 Control SING TRY 5SEC PREPURGE 10S TFI   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum...
    MSRP: $253.19
    Now: $195.65
    Qty in Cart: 0
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    MSRP: $253.19
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    Fenwal 35-725205-015 Control

    Fenwal

    MSRP: $253.19
    Now: $195.65
    Fenwal 35-725205-015 Control 120v DSI 3TRY 0PP 10TFI Potted   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum...
    MSRP: $253.19
    Now: $195.65
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    MSRP: $253.19
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    Fenwal 35-725205-017 120V DSI CONTROL

    Fenwal

    MSRP: $253.19
    Now: $195.65
    Fenwal 35-725205-017  120V DSI CONTROL   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order Requirements
    MSRP: $253.19
    Now: $195.65
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    MSRP: $253.19
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    Fenwal 35-725205-115 Control

    Fenwal

    MSRP: $200.79
    Now: $152.11
    Fenwal 35-725205-115 Control  120V Potted 15 Second Pre-Purge 10 Second TFI 3 Trial   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts...
    MSRP: $200.79
    Now: $152.11
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    MSRP: $200.79
    Now: $152.11
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    Fenwal 35-725206-115 Direct Spark Ignition w/ 15 Second Prepurge (120v)

    Fenwal

    MSRP: $253.19
    Now: $195.65
    Fenwal 35-72 Series is a 120 VAC direct spark ignition control    FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No...
    MSRP: $253.19
    Now: $195.65
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    MSRP: $253.19
    Now: $195.65
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    Fenwal 35-725206-515 120Vac DSI Control Potted

    Fenwal

    MSRP: $253.19
    Now: $195.65
    Fenwal 35-725206-515 120Vac DSI Control Potted   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order...
    MSRP: $253.19
    Now: $195.65
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    MSRP: $253.19
    Now: $195.65
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    Fenwal 35-725917-000 Ignition Control Board

    Fenwal

    MSRP: $253.19
    Now: $195.65
    Fenwal 35-725917-000 Controls Potted 120v DSI IGN MODULE   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum...
    MSRP: $253.19
    Now: $195.65
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    MSRP: $253.19
    Now: $195.65
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    Fenwal 35-725919-000 120v DSI NoPP 4sTFI Control

    Fenwal

    MSRP: $253.19
    Now: $195.65
    Fenwal 35-725919-000 120v DSI NoPP 4sTFI Control  FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order Requirements
    MSRP: $253.19
    Now: $195.65
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    MSRP: $253.19
    Now: $195.65
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    Fenwal 35-755900-009 Ignition Control Board

    Fenwal

    MSRP: $294.92
    Now: $227.89
    Fenwal 35-755900-009 Ignition Control Board   FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order...
    MSRP: $294.92
    Now: $227.89
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    MSRP: $294.92
    Now: $227.89
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    Fenwal Ignition Control # 35-704600-005

    Fenwal

    MSRP: $400.06
    Now: $309.14
    Fenwal® Ignition Control # 35-704600-005; 120 volt, Direct Spart Ignition, 10 seconds TFI, No pre purge; Replaces Obsolete Lennox® #34M66 but does not include the lead wire that the Lennox® part...
    MSRP: $400.06
    Now: $309.14
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    MSRP: $400.06
    Now: $309.14
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    Fenwal Ignition Control 35-725903-997 MARK10DX-117 Board Remote Sens

    Fenwal

    MSRP: $253.19
    Now: $195.65
    Fenwal Ignition Control 35-725903-997 MARK10DX-117 Board Remote Sens FurnacePartSource.com Commitment
    MSRP: $253.19
    Now: $195.65
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    Fenwal Ignition Module # 35-605506-023

    Fenwal

    MSRP: $286.60
    Now: $221.47
    Fenwal® Ignition Module; 24vDSI,3try,30sec Inter-Perge; Comes with Technical Sheet; All Parts backed by a One Year Manufacturer Warranty.
    MSRP: $286.60
    Now: $221.47
    Qty in Cart: 0
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    MSRP: $286.60
    Now: $221.47
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    Fenwal Ignition Module # 35-605506-113

    Fenwal

    MSRP: $208.96
    Now: $158.30
    Fenwal® Ignition Module; 35-605506-113 is the direct cross of 35-605506-111, -113 HAS LONGER TFI, 7SEC VS 4 SEC; Comes with Technical Sheet; All Parts backed by a One Year Manufacturer Warranty.
    MSRP: $208.96
    Now: $158.30
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    Fenwal Ignition Module # 35-605506-227

    Fenwal

    MSRP: $259.21
    Now: $200.30
    Fenwal® Ignition Module; 24V DSI 3TRY RemSen 30PP 15TFI; Comes with Technical Sheet; All Parts backed by a One Year Manufacturer Warranty.
    MSRP: $259.21
    Now: $200.30
    Qty in Cart: 0
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    Fenwal Ignition Module # 35-605959-223

    Fenwal

    MSRP: $286.60
    Now: $221.47
    Replaces Johnson Controls # G765BCA-12 and Lennox® # 44L59 Drop-in replacement for JCI G76x series Safe Start and full-time flame sensing Custom prepurge and interpurge timings Multiple trials...
    MSRP: $286.60
    Now: $221.47
    Qty in Cart: 0
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    Now: $221.47
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Fenwal Ignition Modules, Controls, and HVAC Replacement Parts

Fenwal replacement parts are commonly used in HVAC, furnace, heater, and control applications where the correct module or controller must match the original equipment requirements. This brand page may include ignition modules, ignition controls, HSI controls, temperature controls, thermoswitch controllers, wire harnesses, and related service components for compatible heating systems. Because many Fenwal controls are selected by exact part number, use the label on the existing component as the starting point whenever possible.

Choosing the Right Fenwal Control or Ignition Module

When replacing a Fenwal control, compare the full part number and application details before selecting a replacement. Important details may include voltage, ignition type, wiring terminals, timing sequence, lockout behavior, sensor or ignitor compatibility, temperature rating, mounting style, and equipment model. A Fenwal ignition module or controller may look similar to another unit but still require a different wiring layout or operating specification.

Using Fenwal Part Numbers and Equipment Details

Many Fenwal searches begin with a control number, module number, catalog reference, or cross-reference from the equipment documentation. Use the complete part number from the existing control and compare it with the product title and details on the listing. If the part label is worn or missing, check the furnace, heater, or equipment model number, service manual, wiring diagram, or parts list to help narrow the correct replacement.

Common Fenwal Parts and Applications

Available Fenwal parts may include ignition modules, HSI controls, temperature controllers, thermoswitch controls, wiring components, and control-related replacement parts. These components may be used in compatible furnace, heater, burner, and HVAC equipment where ignition control, temperature control, or system safety operation depends on the correct electrical component. Confirm the control type and application before purchasing so the replacement aligns with the system requirements.

Confirm Compatibility Before Ordering

Before ordering Fenwal replacement parts, review the original component label, equipment data plate, wiring diagram, and service documentation. Confirm the part number, voltage, ignition method, terminal layout, timing or control sequence, temperature rating, and equipment model. For ignition and control components, small differences in wiring or operating logic can affect compatibility, so verify the replacement against the system documentation before installation.