{"product_id":"lochinvar-a-o-smith-100208449-relief-valve","title":"Lochinvar \u0026 A.O. Smith 100208449 Relief Valve","description":"\u003cp\u003eFor contractors servicing high-efficiency hydronic systems, the \u003cstrong\u003eLochinvar \u0026amp; A.O. Smith 100208449 Relief Valve\u003c\/strong\u003e is a critical safety component designed to maintain peak system integrity. This \u003cstrong\u003e30 PSI pressure relief valve\u003c\/strong\u003e is the direct OEM replacement for the legacy \u003cstrong\u003eRLV2005\u003c\/strong\u003e and \u003cstrong\u003eRLV2005K\u003c\/strong\u003e part numbers. Engineered with a 3\/4-inch male NPT inlet and a 3\/4-inch female NPT outlet, this \u003cstrong\u003ebrass boiler relief valve\u003c\/strong\u003e 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 \u003cstrong\u003eCopper-Fin CB 315-500\u003c\/strong\u003e, \u003cstrong\u003eKnight Boiler KB 080-285\u003c\/strong\u003e, and \u003cstrong\u003eSolution Boiler CB 45-260\u003c\/strong\u003e series. The stainless steel pressure spring and corrosion-resistant brass body are built to handle the rigorous demands of \u003cstrong\u003ehydronic heating system maintenance\u003c\/strong\u003e. Replacing a failed valve with this genuine \u003cstrong\u003e100208449 Lochinvar part\u003c\/strong\u003e ensures exact fitment and adheres to ASME and CSA safety standards, preventing over-pressurization and potential vessel fatigue.\u003c\/p\u003e\n\n\u003cstrong\u003eKey Benefits:\u003c\/strong\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eBroad Compatibility:\u003c\/strong\u003e Direct fit for Lochinvar Copper-Fin, Knight, and Efficiency+ boiler models.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eHigh Capacity:\u003c\/strong\u003e Rated for systems up to 510,000 BTU\/hr to ensure safe pressure venting.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Features a heavy-duty brass body and stainless steel spring for long-term reliability.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSimplified Replacement:\u003c\/strong\u003e Identical to RLV2005, eliminating the need for pipe re-configuration during \u003cstrong\u003erelief valve installation\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cstrong\u003eCommon Questions:\u003c\/strong\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eWhat is the relief setting for the 100208449?\u003c\/strong\u003e This valve is factory-set to discharge at 30 PSI.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDoes this replace the RLV2005?\u003c\/strong\u003e Yes, the 100208449 is the current manufacturer substitute for the older RLV2005 and 100167417 part numbers.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eWhat are the connection sizes?\u003c\/strong\u003e It features a 3\/4\" male threaded inlet and a 3\/4\" female threaded outlet.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eDisclaimer: 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.\u003c\/p\u003e","brand":"Lochinvar \u0026 A.O. Smith","offers":[{"title":"Default Title","offer_id":35646146828,"sku":"100208449","price":56.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1838\/2375\/files\/Image_ee2a9f25-f0d0-4b46-af5e-c524eaab19a7.png?v=1794511934","url":"https:\/\/www.gsistore.com\/products\/lochinvar-a-o-smith-100208449-relief-valve","provider":"GSIstore","version":"1.0","type":"link"}