Product availability is real-time and adjusted continuously. This product will be reserved for you when you complete your order. If your organization requires order approval, the product will be reserved once Grainger receives the final approved order based on product availability at that time.
A combustion air system from Grainger helps provide controlled, interlocked combustion air to oil and gas furnaces. A combustion air intake system can replace metal louvers in your commercial or industrial facility. It can duct outdoor air and diffuse it at ceiling level to help eliminate cold spots and disperse warm air more evenly. The commercial combustion air system selections you'll find here offer inputs ranging from 150,000 to 3,700,000 BtuH. To help improve your furnace's efficiency, get your combustion air intake system from Grainger.
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Pricing and availability are not confirmed until the order is processed. Promotional pricing and offers associated with this order will only apply if the order is approved within the timeframe of the promotion.