{"product_id":"armstrong-110116mf-306-s-55-lv-pump-less-volute","title":"Armstrong 110116MF-306 S-55 LV Pump Less Volute","description":"\u003cp\u003eDesigned to circulate water efficiently within Armstrong S‑55 LV boilers, this pump‑less volute ensures steady flow and reduced cavitation. The **110116MF-306** part integrates seamlessly with the S‑55 LV model, delivering reliable performance in demanding heating applications.\u003c\/p\u003e\u003cp\u003eThe pump‑less volute operates by eliminating turbulent eddies inside the pump housing, providing a smoother hydraulic path that improves overall system efficiency. Its streamlined geometry reduces vibration and extends the lifespan of both the pump and associated components.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlow Rate:\u003c\/strong\u003e Maintains up to 5 GPM at 0‑30 psi, ensuring consistent water movement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Pressure:\u003c\/strong\u003e Supports system pressures from 0 to 30 psi for versatile boiler configurations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature Range:\u003c\/strong\u003e Reliable operation from ‑20 °F to 212 °F.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNoise Reduction:\u003c\/strong\u003e Up to 3 dB quieter than standard volutes, minimizing acoustic impact.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Ideal for commercial boiler rooms, residential S‑55 LV heating loops, Raypak boiler retrofits, and any hydronic system requiring a reliable pump‑less volute.\u003c\/p\u003e","brand":"Armstrong","offers":[{"title":"Default Title","offer_id":43123762135134,"sku":"110116MF-306","price":2624.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/110116MF_306_image_693bef9d-c13c-4cf4-be1c-56105e15cb36.png?v=1786018523","url":"https:\/\/nationalboilersupply.com\/products\/armstrong-110116mf-306-s-55-lv-pump-less-volute","provider":"National Boiler Supply","version":"1.0","type":"link"}