1. Introduction
This manual provides essential information for the safe and effective installation, operation, and maintenance of the WITTCO WP-105-1 Heating Element. This element is designed for use in specific WITTCO holding cabinet models, including the 1220 Series, 1826 Series, 2-150, 2-90, 2-96, and 580. Please read this manual thoroughly before attempting any installation or service.

Figure 1: WITTCO WP-105-1 Heating Element. This image shows the black Incoloy heating element with wire leads.
2. Safety Information
WARNING: Electrical shock hazard. Disconnect power before servicing. Only qualified personnel should perform installation and maintenance.
- Always disconnect the power supply to the equipment before installing, removing, or performing any maintenance on the heating element.
- Ensure the replacement element matches the original specifications (voltage, wattage, dimensions).
- Wear appropriate personal protective equipment (PPE), including insulated gloves and eye protection.
- Do not operate the equipment if the heating element is damaged or improperly installed.
- Refer to the specific equipment's service manual for detailed safety procedures.
3. Installation (Replacement)
This heating element is a replacement part. Installation should only be performed by a qualified technician.
- Disconnect Power: Ensure the main power supply to the WITTCO holding cabinet is completely disconnected and locked out.
- Access Element: Open the access panel(s) on the holding cabinet to expose the existing heating element. Refer to the cabinet's service manual for exact access procedures.
- Remove Old Element: Carefully disconnect the wiring from the old heating element. Note the wiring configuration for correct reinstallation. Remove any mounting hardware securing the old element and extract it from the cabinet.
- Inspect Area: Clean any debris or residue from the element's mounting area.
- Install New Element: Insert the new WP-105-1 heating element into position. Secure it with the appropriate mounting hardware.
- Connect Wiring: Reconnect the wire leads (92 inches / 2337 mm) to the new element, ensuring all connections are secure and match the original configuration.
- Close Access: Replace all access panels and secure them properly.
- Test: Restore power to the cabinet and test the heating function according to the cabinet's operational guidelines. Monitor for proper heating and any unusual odors or sounds.
4. Operation
The WP-105-1 heating element operates as an integral component within a WITTCO holding cabinet. Its function is to generate heat when electrical power is supplied, maintaining the desired temperature within the cabinet. There are no user-adjustable controls directly on the heating element itself. Operation is controlled by the holding cabinet's thermostat and control system.
- Ensure the heating element is correctly installed and wired before operating the holding cabinet.
- Refer to your specific WITTCO holding cabinet manual for detailed operating instructions, temperature settings, and preheating procedures.
- The element is designed for continuous operation within its specified voltage and wattage limits.
5. Maintenance
Regular maintenance ensures the longevity and efficient operation of the heating element and the overall equipment.
- Cleaning: Periodically inspect the heating element for any accumulation of food debris, grease, or other contaminants. With power disconnected, gently clean the element surface using a soft brush or cloth. Avoid abrasive cleaners or harsh chemicals that could damage the Incoloy material.
- Inspection: During routine equipment maintenance, visually inspect the heating element for signs of wear, corrosion, cracks, or discoloration. Check the wire leads for fraying, damage, or loose connections.
- Replacement: If any damage is observed, or if the element is not heating effectively, it should be replaced by a qualified technician.
6. Troubleshooting
This section addresses common issues related to the heating element. Always disconnect power before troubleshooting.
| Problem | Possible Cause | Solution |
|---|---|---|
| Element not heating | No power to the cabinet, faulty thermostat/controls, broken element, loose wiring. | Check power supply. Consult cabinet manual for thermostat troubleshooting. Inspect element for visible damage. Verify wire connections. Replace element if faulty. |
| Inconsistent heating | Faulty thermostat, partial element failure, poor connections. | Consult cabinet manual for thermostat troubleshooting. Inspect element for partial damage. Check wire connections. |
| Burning smell | Accumulated debris on element, element overheating due to control issue. | Disconnect power immediately. Clean element. Consult cabinet manual for control system issues. |
If issues persist after basic troubleshooting, contact a qualified service technician.
7. Specifications
| Attribute | Value |
|---|---|
| Model Number | WP-105-1 |
| Brand | WITTCO |
| Voltage | 120 V AC |
| Wattage | 1000 W |
| Material | INCOLOY |
| Length | 18 inches (457 mm) |
| Width | 7 1/4 inches (184 mm) |
| Wire Leads Length | 92 inches (2337 mm) |
| Color | Black |
| Weight | 0.953 lb (15.2 ounces) |
| Compatible WITTCO Models | 1220 Series, 1826 Series, 2-150, 2-90, 2-96, 580 |
8. Warranty and Support
For warranty information and technical support, please contact WITTCO customer service or your authorized WITTCO dealer. Ensure you have your product model number (WP-105-1) and any relevant purchase information available when contacting support.
Note: This heating element is a replacement part. The warranty for this component may be subject to the terms and conditions of the original equipment manufacturer or the reseller.