{"product_id":"watts-111z-10-air-relief-valve","title":"Watts 111Z-10 Air Relief Valve","description":"\u003ch3 data-section-id=\"17lc1ru\" data-start=\"0\" data-end=\"16\"\u003eDescription:\u003c\/h3\u003e\n\u003cp data-start=\"17\" data-end=\"737\"\u003eThe Watts 111Z-10 Air Relief Valve is a 1\/2 inch automatic air relief valve rated for 15 PSIG service, designed to automatically vent trapped air from closed-loop liquid systems to maintain efficient system operation and prevent air binding. Commonly installed in hydronic heating systems, hot water boilers, chilled water systems, HVAC equipment, circulating pump systems, process cooling loops, and commercial mechanical room installations. Maintenance personnel, HVAC contractors, boiler technicians, OEMs, and facility operators use this valve for preventive maintenance, system upgrades, replacement projects, and new installations requiring reliable automatic air elimination. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"5ms9th\" data-start=\"739\" data-end=\"756\"\u003eApplications:\u003c\/h3\u003e\n\u003cp data-start=\"757\" data-end=\"1582\"\u003eThe Watts 111Z-10 Air Relief Valve is widely used in commercial and industrial hydronic heating systems, hot water boiler plants, chilled water distribution networks, HVAC circulation systems, district energy systems, process cooling equipment, heat exchangers, pumping stations, institutional facilities, manufacturing plants, schools, hospitals, apartment complexes, and mechanical equipment rooms. The valve automatically removes accumulated air pockets that can reduce system efficiency, create noise, restrict flow, accelerate corrosion, and cause pump cavitation. It is commonly specified in closed-loop liquid systems where continuous air elimination helps improve heat transfer performance, maintain proper circulation, reduce maintenance requirements, and extend equipment life. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"5hg6bl\" data-start=\"1584\" data-end=\"1613\"\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cp data-start=\"1614\" data-end=\"2377\"\u003e• Brand: Watts\u003cbr data-start=\"1628\" data-end=\"1631\"\u003e• Model: 111Z-10\u003cbr data-start=\"1647\" data-end=\"1650\"\u003e• Product Type: Automatic Air Relief Valve\u003cbr data-start=\"1692\" data-end=\"1695\"\u003e• Valve Size: 1\/2 in.\u003cbr data-start=\"1716\" data-end=\"1719\"\u003e• Connection Type: NPT Threaded\u003cbr data-start=\"1750\" data-end=\"1753\"\u003e• Service Rating: 15 PSIG\u003cbr data-start=\"1778\" data-end=\"1781\"\u003e• Function: Automatic Air Venting and Air Elimination\u003cbr data-start=\"1834\" data-end=\"1837\"\u003e• Operating Type: Float-Controlled Automatic Vent\u003cbr data-start=\"1886\" data-end=\"1889\"\u003e• Application: Hydronic Heating and Cooling Systems\u003cbr data-start=\"1940\" data-end=\"1943\"\u003e• Service Media: Water and Compatible Closed-Loop Fluids\u003cbr data-start=\"1999\" data-end=\"2002\"\u003e• Installation: Vertical Mounting Position\u003cbr data-start=\"2044\" data-end=\"2047\"\u003e• System Type: Closed-Loop Liquid Systems\u003cbr data-start=\"2088\" data-end=\"2091\"\u003e• Typical Use: Boiler, HVAC, and Process Piping Systems\u003cbr data-start=\"2146\" data-end=\"2149\"\u003e• Construction: Industrial Service Design\u003cbr data-start=\"2190\" data-end=\"2193\"\u003e• Maintenance Purpose: Removal of Trapped Air and Gas Accumulation\u003cbr data-start=\"2259\" data-end=\"2262\"\u003e• Industry Applications: Commercial, Institutional, and Industrial Facilities \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"1cz0398\" data-start=\"2379\" data-end=\"2403\"\u003eCommon Replacements:\u003c\/h3\u003e\n\u003cp data-start=\"2404\" data-end=\"2512\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e• Watts FV-4M1 Automatic Air Vent\u003cbr data-start=\"2437\" data-end=\"2440\"\u003e• Taco Hy-Vent 400 Series Air Vent\u003cbr data-start=\"2474\" data-end=\"2477\"\u003e• Bell \u0026amp; Gossett 87 Series Air Vent\u003c\/p\u003e","brand":"Watts","offers":[{"title":"New","offer_id":51731241468206,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0818\/1038\/files\/Ebay_website_image_18019c84-d7e5-4f74-8693-08d7a749ed60.jpg?v=1770595780","url":"https:\/\/plgautomation.com\/products\/watts-111z-10-air-relief-valve","provider":"PLG Automation ","version":"1.0","type":"link"}