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 01-017002-306 ThermoswitchTempControl 300F
Fenwal
MSRP: $303.58Now: $234.59Fenwal 01-017002-306 ThermoswitchTempControl 300F Item is Non-Cancelable / Non-Returnable FurnacePartSource.comMSRP: $303.58Now: $234.59 -
Fenwal 01-017052-000 INDUSTRIAL THERMO SWITCH
Fenwal
MSRP: $377.70Now: $286.14Fenwal 01-017052-000 INDUSTRIAL THERMO SWITCH FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order RequirementsMSRP: $377.70Now: $286.14 -
Fenwal 01-017102-000 (Replaces 01-017102-000-0T) Thermoswitch Temperature Controller
Fenwal
MSRP: $497.29Now: $384.27Fenwal 01-017102-000 (Replaces 01-017102-000-0T) Thermoswitch Temperature Controller -100 degrees F to 600 degrees FMSRP: $497.29Now: $384.27 -
Fenwal 01-017202-305 250F Temperature Controller
Fenwal
MSRP: $555.47Now: $420.81Fenwal 01-017202-305 250F Temperature Controller FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order RequirementsMSRP: $555.47Now: $420.81 -
Fenwal 01-018002-000 (Direct Replacement for 01-018000-000) Thermoswitch
Fenwal
MSRP: $517.57Now: $399.94THERMOSWITCH¨ controllers control temperatures with the proven dependability of over 70 years of service to satisfied customers. FurnacePartSource.com Commitment: Item Typically Ships within 1...MSRP: $517.57Now: $399.94 -
Fenwal 01-018002-021 Thermal Switch 100-600f
Fenwal
MSRP: $629.72Now: $486.60Fenwal 01-018002-021 Thermal Switch 100-600f FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order...MSRP: $629.72Now: $486.60 -
Fenwal 01-018023-000 THERMAL SWITCH -100-600F
Fenwal
MSRP: $517.57Now: $399.94Fenwal 01-018023-000 THERMAL SWITCH -100-600F FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order...MSRP: $517.57Now: $399.94 -
Fenwal 01-018023-007 THERMAL SWITCH 0-400F
Fenwal
MSRP: $608.59Now: $461.05Fenwal 01-018023-007 THERMAL SWITCH 0-400F FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - EverytimeNo Minimum Order RequirementsMSRP: $608.59Now: $461.05 -
Fenwal 01-018052-000 -100/400F 120/240V OpenOnRise
Fenwal
MSRP: $687.84Now: $531.51Fenwal 01-018052-000 -100/400F 120/240V OpenOnRise FurnacePartSource.com CommitmentMSRP: $687.84Now: $531.51 -
Fenwal 01-990040-000 Temperature Restraining Device
Fenwal
MSRP: $16.91Now: $13.07Fenwal 01-990040-000 Temperature Restraining Device FurnacePartSource.com CommitmentMSRP: $16.91Now: $13.07Qty in Cart: 0Price:MSRP: $16.91Now: $13.07Subtotal: -
Fenwal 05-100000-250 Standard Electrode / H.V. Wire
Fenwal
MSRP: $56.56Now: $43.71Fenwal 05-100000-250 Standard Electrode / H.V. Wire FurnacePartSource.com CommitmentMSRP: $56.56Now: $43.71 -
Fenwal 05-100000-422 Spark Ignitor Flame
Fenwal
MSRP: $69.70Now: $53.86Fenwal 05-100000-422 Spark Ignitor Flame FurnacePartSource.com Commitment Item Typically Ships Within the Same Business Day Brand-New Genuine Parts - Everytime No Minimum Order RequirementsMSRP: $69.70Now: $53.86 -
Fenwal 05-100000-426 Ignitor Sensor
Fenwal
MSRP: $52.72Now: $40.74Fenwal 05-100000-426 Ignitor Sensor FurnacePartSource.com CommitmentMSRP: $52.72Now: $40.74 -
Fenwal 05-100000-432 (Minimum purchase 10 ea) Ignitor Sensor
Fenwal
MSRP: $52.72Now: $39.94Fenwal 05-100000-432 (Minimum purchase 10 ea) Ignitor Sensor FurnacePartSource.com CommitmentMSRP: $52.72Now: $39.94 -
Fenwal 05-125948-048 Cable
Fenwal
MSRP: $71.96Now: $54.51Fenwal 05-125948-048 Cable .25 FEM. QC x .25 FEM. QC 7MM FurnacePartSource.comMSRP: $71.96Now: $54.51 -
Fenwal 05-127324-024 Wiring Harness
Fenwal
MSRP: $31.93Now: $24.67Fenwal 05-127324-024 Wiring Harness 24" Low VoltageMSRP: $31.93Now: $24.67 -
Fenwal 05-127328-024 Cable
Fenwal
MSRP: $34.16Now: $25.8824" FEM. QC x SPARK PLUG 5MM FurnacePartSource.com Commitment: Item Typically Ships within 1 Business Day | 100% Brand-New Genuine Parts | No Minimum Order Requirements "MSRP: $34.16Now: $25.88 -
Fenwal 05-127613-296 Cable Assembly
Fenwal
MSRP: $88.36Now: $68.28R. ANGLE BOOT x FEM. QC 7M "96 FurnacePartSource.com Commitment: Item Typically Ships within 1 Business Day | 100% Brand-New Genuine Parts | No Minimum Order Requirements "MSRP: $88.36Now: $68.28 -
MSRP: $34.15Now: $26.39 -
MSRP: $31.93Now: $24.19
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.