{"product_id":"bell-gossett-109508-1-npt-zone-valve-szv-505n-4we-snap-control","title":"Bell \u0026 Gossett 109508 1\" NPT Zone Valve SZV-505N-4WE Snap Control","description":"\u003cp\u003eA snap‑control zone valve regulates water flow to individual heating zones, delivering precise temperature management and energy efficiency. The \u003cstrong\u003e109508\u003c\/strong\u003e Bell \u0026amp; Gossett \u003cstrong\u003eSZV-505N-4WE\u003c\/strong\u003e model features a 1\" NPT connection for straightforward installation.\u003c\/p\u003e\u003cp\u003eWhen the snap‑control motor receives a signal, the valve’s internal piston quickly shifts, opening or closing the flow path without the need for continuous power, ensuring rapid response and reduced wear.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlow Control Accuracy:\u003c\/strong\u003e Maintains ±5% flow variance across the operating pressure range.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum Pressure Rating:\u003c\/strong\u003e Designed for up to 175 psi system pressure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eActuation Speed:\u003c\/strong\u003e Snap‑action motor provides full opening or closing in less than 2 seconds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature Range:\u003c\/strong\u003e Operates reliably from -20 °F to 250 °F.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Ideal for commercial HVAC, multi‑zone hydronic heating, boiler feedwater circuits, and retrofits in existing plumbing systems.\u003c\/p\u003e","brand":"Bell \u0026 Gossett","offers":[{"title":"Default Title","offer_id":43118616182878,"sku":"109508","price":105.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/109508_image_8051ef7f-5929-4cc9-b139-1fa0bdaadb87.png?v=1785978137","url":"https:\/\/nationalboilersupply.com\/products\/bell-gossett-109508-1-npt-zone-valve-szv-505n-4we-snap-control","provider":"National Boiler Supply","version":"1.0","type":"link"}