Weil-McLain 510300013 Spark Ignition Spill Switch

Weil-McLain Spill Switch – Reliable Safety Control for Boiler Systems

The Weil-McLain Spill Switch is a critical safety component designed for gas-fired boilers. Installed in the draft hood area, this device monitors flue gas spillage and shuts down the boiler when unsafe venting conditions occur. With its manual reset function and dependable sensor design, it provides essential protection against improper venting and overheating.

Why Use the Weil-McLain Spill Switch?

This switch is engineered to meet the demands of professional boiler service and installation. Its precise temperature sensing and durable build make it a trusted solution for maintaining system safety and compliance with code requirements.

Key Benefits

• Manual Reset Design: Prevents automatic restart until the cause of vent spillage is corrected, ensuring safe operation.
• Accurate Temperature Response: Rated to trip at 210°F, protecting the system during draft or venting failures.
• Durable Sensor Assembly: Uses an Elmwood 2455RM 8174-0201 sensor for reliable performance.
• Application-Specific Fit: Designed for use with Weil-McLain boiler models including sizes 30 through 55.
• Compliance-Ready: Meets code requirements for boiler safety controls in gas heating systems.

Technical Specifications

• Temperature Rating: 210°F
• Sensor: Elmwood 2455RM 8174-0201
• Reset Type: Manual
• Compatible Models: Weil-McLain CG, CGA, CGx (sizes 30–55)
• Part Number: 510-300-014

Installation Considerations

The spill switch should be installed by a licensed HVAC or plumbing professional to ensure correct placement and wiring. Proper installation is critical for safety compliance and system performance. Standard hand tools and attention to venting alignment are required for a secure fit.

Professional Application

For Contractors: This component is a dependable safeguard for residential and light commercial boiler systems. Its reliable manual reset feature prevents unsafe conditions from being overlooked, aligning with best practices in boiler servicing and installation.

For Maintenance Teams: The switch provides a consistent means of monitoring venting safety. Replacement during service calls ensures long-term reliability and compliance with manufacturer specifications.

Safety First

The Weil-McLain Spill Switch is not an accessory but a required safety device. By responding quickly to unsafe venting conditions, it protects both the equipment and the building occupants. Always replace faulty or aged switches with OEM-approved components for guaranteed performance.