Description
Lochinvar & A.O. Smith 3″ Aluminum Exhaust/Condensate Elbow — SKU 100187862
The Lochinvar & A.O. Smith 100187862 is a genuine OEM 3-inch aluminum exhaust and condensate elbow engineered for use with compatible Lochinvar and A.O. Smith condensing water heater and boiler venting systems. Designed to provide a secure, leak-free transition in exhaust flue and condensate drainage paths, this elbow ensures proper system airflow and condensate management for long-term reliability.
Key Features
- Genuine OEM replacement part from Lochinvar & A.O. Smith
- 3-inch diameter aluminum construction for lightweight durability and corrosion resistance
- Dual-function design handles both exhaust venting and condensate drainage
- Precision-engineered for a secure, airtight fit in compatible venting assemblies
- Maintains proper flue gas flow and condensate routing to protect equipment efficiency
- Ideal for condensing boiler and water heater applications
Application
This elbow is a direct OEM replacement component intended for use with Lochinvar and A.O. Smith condensing boilers and water heaters that utilize 3-inch aluminum venting. It is suited for installations where the exhaust flue and condensate lines must be properly routed to ensure safe, code-compliant operation. Always verify compatibility with your specific equipment model before installation.
Why Choose OEM Parts?
Using genuine Lochinvar & A.O. Smith replacement components ensures proper fit, maintains manufacturer warranty compliance, and preserves the safety and efficiency ratings of your heating equipment. Aftermarket substitutes may compromise system performance or void equipment warranties.







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