1. Introduction
This manual provides instructions for the proper installation, maintenance, and troubleshooting of the Weil-McLain Model 560742860 Pilot Tubing with Compression Fittings. This product is designed for use in gas line applications, such as boilers and furnaces, requiring a reliable connection for pilot light operation.
Please read this manual thoroughly before installation and retain it for future reference.
2. Safety Information
WARNING: Improper installation, adjustment, alteration, service, or maintenance can cause property damage, injury, or death. Read the installation, operating, and maintenance instructions thoroughly before installing or servicing this equipment.
- Always shut off the gas supply before working on any gas appliance.
- Ensure all connections are tight and leak-free. Use appropriate leak detection methods (e.g., soap solution).
- Installation should be performed by a qualified service technician.
- Do not use this tubing for applications exceeding its specified pressure or temperature limits.
- Wear appropriate personal protective equipment (PPE) during installation.
3. Package Contents
- 1 x Weil-McLain Model 560742860 Pilot Tubing (22-3/4" Long, 1/8" OD) with pre-attached compression fittings.
Figure 1: Weil-McLain Pilot Tubing. This image shows the aluminum tubing coiled, with brass compression fittings attached to each end. The fittings are designed to create a secure, leak-proof connection for gas lines.
4. Setup and Installation
This pilot tubing is designed for replacement in existing gas pilot light systems. Ensure the replacement tubing matches the specifications of the original part.
Required Tools:
- Adjustable wrench or open-end wrenches (appropriate sizes for fittings)
- Leak detection solution (e.g., soap and water)
- Personal Protective Equipment (PPE)
Installation Steps:
- Shut Off Gas Supply: Locate the main gas shut-off valve for the appliance and turn it to the "OFF" position. Verify that the gas supply is completely off.
- Disconnect Old Tubing: Carefully disconnect the old pilot tubing from both the gas valve and the pilot assembly. Use wrenches to loosen the compression nuts. Be prepared for a small amount of residual gas to escape.
- Inspect Connections: Examine the connection points on both the gas valve and the pilot assembly for any damage, debris, or corrosion. Clean if necessary.
- Position New Tubing: Gently route the new Weil-McLain pilot tubing to match the path of the old tubing, avoiding sharp bends or kinks.
- Connect Fittings: Hand-tighten the compression nuts onto the gas valve and pilot assembly connections. Ensure the tubing is seated properly within the fittings.
- Tighten Connections: Using wrenches, carefully tighten the compression nuts. Do not overtighten, as this can damage the fittings or tubing. A snug fit followed by a quarter to half turn is usually sufficient.
- Restore Gas Supply: Slowly turn the main gas shut-off valve back to the "ON" position.
- Check for Leaks: Apply a leak detection solution (e.g., soapy water) to all new connections. Bubbles indicate a gas leak. If a leak is detected, immediately shut off the gas supply, re-tighten the connection, and re-test. Repeat until no leaks are present.
- Test Pilot Light: Follow the appliance manufacturer's instructions to light the pilot and ensure proper operation.
5. Operating Instructions
This pilot tubing is a passive component of a gas system. Its operation is integral to the overall appliance's pilot light function. Once properly installed and leak-tested, the tubing facilitates the flow of gas to the pilot assembly. Refer to your appliance's specific user manual for instructions on lighting and operating its pilot light.
6. Maintenance
Regular inspection of the pilot tubing and its connections is recommended to ensure safe and reliable operation.
- Visual Inspection: Periodically check the tubing for any signs of damage, kinks, corrosion, or wear.
- Leak Check: Annually, or if you suspect a gas leak, perform a leak check on all connections using a leak detection solution.
- Cleaning: Keep the area around the tubing free from dust and debris. Do not use harsh chemicals to clean the tubing.
- Replacement: If the tubing shows any signs of damage, corrosion, or leakage that cannot be resolved by tightening, it must be replaced immediately with an identical part.
7. Troubleshooting
This section addresses issues directly related to the pilot tubing. For broader appliance issues, consult your appliance's manual.
| Problem | Possible Cause | Solution |
|---|---|---|
| Gas odor near tubing connections. | Loose or damaged compression fitting. | Immediately shut off gas supply. Perform a leak check with soap solution. Tighten fittings if loose. If damaged, replace the tubing. |
| Pilot light not lighting or staying lit. | Insufficient gas flow due to kinked or obstructed tubing. | Inspect tubing for kinks or blockages. If tubing is kinked, it must be replaced. Ensure gas supply is fully open. |
| Visible damage to tubing (e.g., dents, cracks). | Physical impact or material fatigue. | Immediately shut off gas supply. Replace the damaged tubing. Do not attempt to repair damaged gas tubing. |
8. Specifications
- Model Number: 560742860
- Brand: Weil-McLain
- Material: Aluminum
- Length: 22-3/4 inches (22.75 inches)
- Outer Diameter (O.D.): 1/8 inch (0.125 inches)
- Fittings: Compression fittings (pre-attached)
- Color: Silver
- Product Dimensions: 22.75"L x 0.13"W x 0.04"H (approximate, for tubing itself)
- UPC: 609408327933
9. Warranty and Support
For specific warranty information regarding your Weil-McLain Model 560742860 Pilot Tubing, please refer to the documentation provided with your original appliance or contact Weil-McLain customer support directly. Warranty terms typically cover manufacturing defects.
For technical assistance or further inquiries, please visit the official Weil-McLain website or contact their customer service department. When contacting support, please have your product model number (560742860) and any relevant appliance information readily available.