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: $253.19Now: $195.65Fenwal 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: $253.19Now: $195.65 -
Fenwal 35-725205-015 Control
Fenwal
MSRP: $253.19Now: $195.65Fenwal 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: $253.19Now: $195.65 -
Fenwal 35-725205-017 120V DSI CONTROL
Fenwal
MSRP: $253.19Now: $195.65Fenwal 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 RequirementsMSRP: $253.19Now: $195.65 -
Fenwal 35-725205-115 Control
Fenwal
MSRP: $200.79Now: $152.11Fenwal 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: $200.79Now: $152.11 -
Fenwal 35-725206-115 Direct Spark Ignition w/ 15 Second Prepurge (120v)
Fenwal
MSRP: $253.19Now: $195.65Fenwal 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: $253.19Now: $195.65 -
Fenwal 35-725206-515 120Vac DSI Control Potted
Fenwal
MSRP: $253.19Now: $195.65Fenwal 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: $253.19Now: $195.65 -
Fenwal 35-725405-115 Fenwal IgnitionCntl
Fenwal
MSRP: $107.23Now: $82.86Fenwal 35-725405-115 Fenwal IgnitionCntl FurnacePartSource.com CommitmentMSRP: $107.23Now: $82.86 -
Fenwal 35-725913-000 Ignition Control Board
Fenwal
MSRP: $253.19Now: $195.65Fenwal 35-725913-000 Ignition Control BoardMSRP: $253.19Now: $195.65 -
Fenwal 35-725917-000 Ignition Control Board
Fenwal
MSRP: $253.19Now: $195.65Fenwal 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: $253.19Now: $195.65 -
Fenwal 35-725919-000 120v DSI NoPP 4sTFI Control
Fenwal
MSRP: $253.19Now: $195.65Fenwal 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 RequirementsMSRP: $253.19Now: $195.65 -
Fenwal 35-755216-013 Ignition Control
Fenwal
MSRP: $245.77Now: $189.91Fenwal 35-755216-013 120V HSI Ignition Control PottedMSRP: $245.77Now: $189.91 -
Fenwal 35-755900-009 Ignition Control Board
Fenwal
MSRP: $294.92Now: $227.89Fenwal 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: $294.92Now: $227.89 -
Fenwal 70-501000-001 Fire Alarm 2 Wire Smoke Detector Base
Fenwal
Fenwal 70-501000-001 Fire Alarm 2 Wire Smoke Detector BaseQty in Cart: 0Price:Subtotal: -
MSRP: $43.81Now: $33.85 -
Fenwal Ignition Control # 35-704600-005
Fenwal
MSRP: $400.06Now: $309.14Fenwal® 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: $400.06Now: $309.14 -
Fenwal Ignition Control 35-725903-997 MARK10DX-117 Board Remote Sens
Fenwal
MSRP: $253.19Now: $195.65Fenwal Ignition Control 35-725903-997 MARK10DX-117 Board Remote Sens FurnacePartSource.com CommitmentMSRP: $253.19Now: $195.65 -
Fenwal Ignition Module # 35-605506-023
Fenwal
MSRP: $286.60Now: $221.47Fenwal® Ignition Module; 24vDSI,3try,30sec Inter-Perge; Comes with Technical Sheet; All Parts backed by a One Year Manufacturer Warranty.MSRP: $286.60Now: $221.47 -
Fenwal Ignition Module # 35-605506-113
Fenwal
MSRP: $208.96Now: $158.30Fenwal® 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: $208.96Now: $158.30 -
Fenwal Ignition Module # 35-605506-227
Fenwal
MSRP: $259.21Now: $200.30Fenwal® Ignition Module; 24V DSI 3TRY RemSen 30PP 15TFI; Comes with Technical Sheet; All Parts backed by a One Year Manufacturer Warranty.MSRP: $259.21Now: $200.30 -
Fenwal Ignition Module # 35-605959-223
Fenwal
MSRP: $286.60Now: $221.47Replaces 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: $286.60Now: $221.47
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.