{"product_id":"bell-gossett-113222-model-97-automatic-air-vent","title":"Bell \u0026 Gossett 113222 Model 97 Automatic Air Vent","description":"\u003cp\u003eMaintain peak efficiency in your hydronic heating or cooling system with the \u003cstrong\u003eBell \u0026amp; Gossett 113222\u003c\/strong\u003e, commonly known as the \u003cstrong\u003eModel 97\u003c\/strong\u003e Automatic Air Vent. This essential component is engineered to automatically release trapped air from the piping system, preventing common issues like waterlogged compression tanks, air-bound radiation, and annoying pipe noise. By ensuring a closed-loop system remains free of air pockets, you maximize heat transfer efficiency and protect your mechanical components from premature corrosion.\u003c\/p\u003e\u003cp\u003eThe unit operates using a precision-engineered internal float mechanism. When air accumulates in the vent chamber, the water level drops, allowing the float to descend and open the discharge valve. Once the air is purged and water returns to the chamber, the buoyant float rises to seal the valve securely, preventing any liquid leakage while maintaining system pressure.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic Purging:\u003c\/strong\u003e Continuously removes system air to prevent noise and corrosion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReliable Sealing:\u003c\/strong\u003e Precision float mechanism ensures a bubble-tight shut-off during normal operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Built to withstand the demands of standard residential and commercial hydronic applications.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Ideal for use in hydronic heating systems, chilled water loops, and air conditioning piping networks where efficient air elimination is required for quiet, optimal heat exchange.\u003c\/p\u003e","brand":"Bell \u0026 Gossett","offers":[{"title":"Default Title","offer_id":43123958448222,"sku":"113222","price":18.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/113222_image_3fc7a21e-d9d0-4669-b326-1cb0569ab4b0.png?v=1786026138","url":"https:\/\/nationalboilersupply.com\/products\/bell-gossett-113222-model-97-automatic-air-vent","provider":"National Boiler Supply","version":"1.0","type":"link"}