Williams 6913 Combustion Chamber

When you're dealing with a cracked or rusted out combustion chamber in a Williams Monterey 35,000 BTU wall furnace, there is no substitute for the precision of the Williams 6913 Combustion Chamber. As an OEM replacement part, this assembly is engineered specifically for the 3509622 series and related top-vent gravity wall furnaces. In the field, we know that after years of high-cycle heating, the original heat exchanger components can fatigue, leading to inefficient burns or safety shut-offs. This heavy-duty steel combustible chamber assembly is built to withstand extreme thermal expansion and contraction, restoring your unit’s furnace thermal efficiency and ensuring a clean flame profile.

Installation is straightforward for any veteran tech because the Williams 6913 maintains the exact manifold alignment and mounting footprints of the factory-installed unit. Replacing this chamber is the most effective way to address Williams furnace parts failures related to heat exchanger integrity without necessitating a full system swap. For contractors maintaining Monterey 35,000 BTU furnace units, keeping this specific chamber on hand ensures you can provide a reliable, technical fix that meets original manufacturer specifications for safety and heat transfer performance.

• Precise OEM Fit: Eliminates the need for field modifications, fitting perfectly within the Williams 35,000 BTU Monterey cabinet.
• High-Temperature Durability: Constructed from heavy-gauge steel to resist burn-through and oxidation in high-demand residential environments.
• Restored Combustion Safety: Replaces compromised chambers to prevent rollout and ensure proper venting through the gravity top-vent system.
• Direct Compatibility: Specifically designed for model 3509622A and identical 35k BTU Monterey platforms.

• Is the Williams 6913 compatible with 50,000 BTU double-sided models? No, this part is specifically sized for 35,000 BTU single-sided Monterey units. Using an undersized chamber in a higher BTU unit will cause premature failure and unsafe operation.
• Does this assembly include the burner? This is the combustible chamber assembly only. While it provides the environment for combustion, the burner assembly is typically ordered separately if needed.
• How do I confirm this fits my specific Monterey furnace? Cross-reference your model number; this part is the standard replacement for the Williams Monterey 35,000 BTU series, including popular versions like the 3509622.

This item is not eligible for free shipping.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.