Williams 11C09 Vent Cap

As a seasoned technician, you know that maintaining the integrity of a direct-vent wall furnace or gravity vented heater requires precise components that handle high-heat exhaust and environmental exposure. The Williams 11C09 Vent Cap is a critical OEM replacement part engineered specifically for Williams furnace venting systems. This heavy-duty furnace vent terminal is designed to streamline exhaust flow while providing a protective barrier against moisture, debris, and avian nesting that can lead to hazardous flue blockages. Featuring a corrosion-resistant finish, this cap is built to withstand the rigorous cycling of gas-fired heaters in both residential and industrial applications. When replacing a damaged or weathered cap, utilizing the correct exhaust vent assembly ensures the system maintains the pressure differentials necessary for safe combustion. This HVAC ventilation cap is compatible with several Williams Comfort Products models, making it a staple for any contractor’s service truck for routine maintenance or emergency repairs on outside wall furnace installations.

• Ensures optimal airflow management and system efficiency by streamlining exhaust discharge.
• Provides superior protection against weather-related damage and pest intrusion in the flue.
• Constructed with a durable metal finish specifically treated to resist corrosion in harsh environments.
• Meets industry safety standards for high-temperature venting applications in direct-vent systems.
• Direct OEM fit ensures secure attachment to Williams furnace vent pipes without the need for field modifications.

Which Williams furnace models are compatible with the 11C09 vent cap?
This cap is primarily designed for Williams direct-vent wall furnaces and specific vented room heaters. It is essential to cross-reference your specific model's parts list, as these terminals are often model-series specific to maintain certified venting performance.

Can this vent cap be used for horizontal or vertical terminations?
The 11C09 is engineered for horizontal through-the-wall terminations typical of direct-vent configurations. Always verify that the clearance from the terminal to any openings or grade meets local mechanical codes and the manufacturer's installation requirements.

Does this assembly include the interior vent tubes?
This product includes the exterior vent cap terminal only. If your installation requires the full venting kit, including the intake and exhaust extension tubes, please verify the assembly requirements for your specific wall thickness.

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.