1. Product Overview
This manual provides essential information for the installation, operation, and maintenance of the Protech Pilot Assembly Kit, Model SP20076. This kit is designed for residential LP (Propane) water heater models, including various Rheem and Ruud units. It is a critical component for the safe and efficient ignition of your water heater's main burner.
The kit includes all necessary components for a complete pilot assembly replacement, ensuring compatibility and proper function with specified models.
2. Safety Information
WARNING: Installation and service of this pilot assembly kit must be performed by a qualified installer or service agency. Improper installation, adjustment, alteration, service, or maintenance can cause property damage, personal injury, or loss of life.
- Always shut off the gas supply to the water heater before beginning any work.
- Allow the water heater to cool completely before handling any components.
- Ensure adequate ventilation when working with gas appliances.
- Check for gas leaks using a non-corrosive leak detection solution after installation.
- Do not use open flames to check for gas leaks.
- Refer to your water heater's specific instruction manual for additional safety guidelines.
3. Package Contents
Verify that all components listed below are present in your kit:
- 1 each: AP12085-SP20065 - Instructions/Backerboard
- 1 each: AP12631B - Gasket - Burner Access Door
- 4 each: AP12777-3 - Tinnerman Clip
- 4 each: AP12862 - Torx Head Screw - #8 x 3/4 in. long
- 1 each: AP13105-1 - Pilot Assembly
- 1 each: AP13278 - Instruction Sheet
- 1 each: AP13334 - Screw - Type F Thread #8-32
- 1 each: AP14427 - Torx Head Screw Driver - HDT20

Image: The Protech Pilot Assembly Kit, Model SP20076, showing the various components included in the package.
4. Installation and Setup
This section outlines the general steps for replacing a pilot assembly. Always refer to the specific instructions provided with your water heater and the included instruction sheets (AP12085-SP20065 and AP13278) for detailed, model-specific procedures.
4.1. Preparation
- Shut off the gas supply to the water heater at the main gas valve.
- Turn off the water heater's power supply (if applicable).
- Allow the water heater to cool down completely.
- Locate the burner access door, typically at the bottom of the water heater.
4.2. Removal of Old Pilot Assembly
- Remove the burner access door. Note the position of the existing pilot assembly and its connections.
- Carefully disconnect the thermocouple, thermopile (if present), and pilot gas line from the gas control valve.
- Unscrew any mounting screws or clips holding the pilot assembly in place.
- Gently remove the old pilot assembly from the burner chamber.
- Clean the burner chamber thoroughly, removing any debris or soot. Replace the provided burner access door gasket (AP12631B).
4.3. Installation of New Pilot Assembly
- Position the new pilot assembly (AP13105-1) in the same location as the old one.
- Secure the pilot assembly using the provided Torx Head Screws (AP12862) and Tinnerman Clips (AP12777-3), if applicable. Use the included Torx Head Screw Driver (AP14427).
- Connect the thermocouple, thermopile, and pilot gas line to the gas control valve, ensuring all connections are tight and secure.
- Replace the burner access door, ensuring the new gasket (AP12631B) is properly seated.
4.4. Post-Installation Checks
- Slowly turn on the main gas supply to the water heater.
- Apply a non-corrosive leak detection solution to all gas connections. Bubbles indicate a leak. If a leak is detected, shut off the gas immediately and tighten connections until no bubbles appear.
- Follow your water heater's instructions for lighting the pilot and main burner.
5. Operation
The pilot assembly is responsible for providing a small, continuous flame that ignites the main burner of your water heater when heat is required. The thermocouple within the pilot assembly senses this flame and generates a small electrical current to keep the gas valve open to the pilot. If the pilot flame goes out, the thermocouple cools, the current stops, and the gas valve closes, preventing unburned gas from escaping.
To operate your water heater after pilot assembly replacement, follow the lighting instructions on your water heater's gas control valve. This typically involves turning the gas control knob to "Pilot," pressing it down, and igniting the pilot flame, holding it until the thermocouple heats up and holds the pilot flame on its own, then releasing and turning the knob to the desired temperature setting.
6. Maintenance
Regular maintenance helps ensure the longevity and efficient operation of your water heater and its components, including the pilot assembly.
- Annual Inspection: Have a qualified technician inspect your water heater annually, including the pilot assembly, burner, and gas connections.
- Cleanliness: Keep the area around the water heater clear of obstructions and combustible materials. Ensure the burner chamber and pilot assembly are free from dust, lint, or debris, which can impede proper operation.
- Pilot Flame Check: Periodically observe the pilot flame. It should be a strong, steady blue flame. A weak, yellow, or flickering flame may indicate a problem with the pilot assembly or gas supply and should be addressed by a professional.
7. Troubleshooting
If your water heater is experiencing issues related to the pilot light, consider the following common problems and potential solutions. For complex issues, always consult a qualified technician.
| Problem | Possible Cause | Solution |
|---|---|---|
| Pilot light won't stay lit | Faulty thermocouple, dirty pilot orifice, weak gas supply. | Ensure thermocouple is properly connected and clean. Clean pilot orifice. Verify gas supply. Replace pilot assembly if thermocouple is faulty. |
| Pilot lights but main burner doesn't ignite | Main gas valve issue, thermostat setting, blocked burner ports. | Check thermostat setting. Inspect main burner for obstructions. Consult a technician for gas valve issues. |
| Pilot flame is yellow or weak | Dirty pilot orifice, low gas pressure, improper air mixture. | Clean pilot orifice. Contact gas provider to check pressure. Consult a technician. |
8. Specifications
- Model Number: SP20076
- Product Dimensions: 17 x 7.5 x 1.5 inches
- Item Weight: 1.97 Pounds
- Manufacturer: RHEEM-RUUD (Kit by Protech)
- Compatibility: Designed for specific Rheem and Ruud LP (Propane) residential water heater models. Refer to product description for full list.
9. Warranty and Support
For information regarding warranty coverage for the Protech Pilot Assembly Kit, please refer to the warranty documentation included with your original water heater or contact the manufacturer directly. Keep your proof of purchase for warranty claims.
For technical support or assistance with installation, it is recommended to contact a qualified HVAC or plumbing professional. For general inquiries about Protech products, you may visit the official Protech website or contact their customer service department.





