{"product_id":"armstrong-516837-303-fsa-2-1-2-flo-trex-valve-straight-angle","title":"Armstrong 516837-303 FSA 2-1\/2\" Flo-Trex Valve Straight Angle","description":"\u003cp\u003eEfficiently manage your hydronic system's discharge side with the versatile Armstrong Flo-Trex Valve. The \u003cstrong\u003e516837-303\u003c\/strong\u003e model is an engineering-grade solution designed to safeguard your pumping equipment from backflow and cavitation, ensuring long-term operational efficiency. By integrating multiple essential functions into one compact footprint, this component minimizes piping complexity in professional HVAC installations.\u003c\/p\u003e\u003cp\u003eThis multifunctional device acts as a shut-off valve, a non-slam check valve, a flow throttling valve, and a 90° elbow. This streamlined architecture reduces installation time and minimizes potential leak points while allowing for precise flow control and simplified maintenance access for your mechanical room.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePump Protection:\u003c\/strong\u003e Prevents damage from backflow and system surge conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlow Control:\u003c\/strong\u003e Features precise throttling capabilities to balance system pressure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpace Optimization:\u003c\/strong\u003e Replaces four individual components with one high-performance 90° elbow assembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNon-Slam Operation:\u003c\/strong\u003e Engineered to eliminate water hammer and silent check valve closure.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Recommended for use on the discharge side of commercial pumping equipment, mechanical room hydronic loops, and chilled or hot water distribution systems.\u003c\/p\u003e","brand":"Armstrong","offers":[{"title":"Default Title","offer_id":43129883295838,"sku":"516837-303","price":1658.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/516837_303_image_8e23c8dd-e87b-46ae-bab3-3b04c7a59d7b.png?v=1786086536","url":"https:\/\/nationalboilersupply.com\/products\/armstrong-516837-303-fsa-2-1-2-flo-trex-valve-straight-angle","provider":"National Boiler Supply","version":"1.0","type":"link"}