Lochinvar & A.O. Smith 100208449 Relief Valve

For contractors servicing high-efficiency hydronic systems, the Lochinvar & A.O. Smith 100208449 Relief Valve is a critical safety component designed to maintain peak system integrity. This 30 PSI pressure relief valve is the direct OEM replacement for the legacy RLV2005 and RLV2005K part numbers. Engineered with a 3/4-inch male NPT inlet and a 3/4-inch female NPT outlet, this brass boiler relief valve provides a 510,000 BTU/hr discharge capacity, ensuring rapid pressure stabilization in commercial and residential applications. It is compatible with a wide range of Lochinvar equipment, including the Copper-Fin CB 315-500, Knight Boiler KB 080-285, and Solution Boiler CB 45-260 series. The stainless steel pressure spring and corrosion-resistant brass body are built to handle the rigorous demands of hydronic heating system maintenance. Replacing a failed valve with this genuine 100208449 Lochinvar part ensures exact fitment and adheres to ASME and CSA safety standards, preventing over-pressurization and potential vessel fatigue.

• Broad Compatibility: Direct fit for Lochinvar Copper-Fin, Knight, and Efficiency+ boiler models.
• High Capacity: Rated for systems up to 510,000 BTU/hr to ensure safe pressure venting.
• Durable Construction: Features a heavy-duty brass body and stainless steel spring for long-term reliability.
• Simplified Replacement: Identical to RLV2005, eliminating the need for pipe re-configuration during relief valve installation.

• What is the relief setting for the 100208449? This valve is factory-set to discharge at 30 PSI.
• Does this replace the RLV2005? Yes, the 100208449 is the current manufacturer substitute for the older RLV2005 and 100167417 part numbers.
• What are the connection sizes? It features a 3/4" male threaded inlet and a 3/4" female threaded outlet.

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.