Weil McLain 386-500-085 Combustion Chamber Replacement Kit

Description

Weil McLain Combustion Chamber Replacement Kit — SKU 386-500-085

The Weil McLain 386-500-085 Combustion Chamber Replacement Kit provides everything needed to restore the combustion chamber of your Weil McLain boiler to factory-specified performance. Engineered as a genuine OEM replacement, this kit ensures a proper, long-lasting repair that maintains boiler efficiency, safety, and reliability.

What’s Included

• Insulation Blanket — protects surrounding components from combustion heat and helps maintain thermal efficiency
• Back Refractory — durable heat-resistant refractory panel for the rear of the combustion chamber
• Front Refractory — heat-resistant refractory panel for the front of the combustion chamber
• 3/8″ x 5′ Rope Seal — high-temperature door rope gasket for a tight, reliable door seal
• 4 oz. Waterglass (Sodium Silicate) — used to bond and seal refractory components during installation
• Installation Instructions — step-by-step guidance for a correct and safe installation

Key Features & Benefits

• Genuine Weil McLain OEM replacement kit for assured compatibility and performance
• Complete kit eliminates the need to source individual components separately
• High-temperature refractory materials withstand the demanding thermal environment of the combustion chamber
• Rope seal and waterglass ensure a proper door seal, minimizing heat loss and improving combustion efficiency
• Restores boiler to safe operating condition, supporting proper draft and flame containment
• Includes detailed installation instructions for straightforward field service

Application

Designed for use with compatible Weil McLain boiler models. This combustion chamber kit is ideal for HVAC technicians and service professionals performing scheduled maintenance, boiler refurbishment, or emergency combustion chamber repair. Always verify compatibility with your specific boiler model before installation.

Why Choose Genuine Weil McLain Parts?

Weil McLain is a trusted leader in residential and commercial hydronic heating. Using genuine OEM replacement parts like the 386-500-085 kit ensures your boiler continues to operate at peak efficiency and meets manufacturer safety standards — protecting your investment and your customers.