{"product_id":"mcdonnell-and-miller-mm-114400-flow-switch-fs4-3-replacement-114400","title":"McDonnell and Miller MM 114400 Flow Switch FS4-3 (Replacement 114400)","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n \u003cp\u003eMcDonnell and Miller MM 114400 is a flow switch, model FS4-3, designed for water level control and flow sensing in boiler and water system applications. The device operates as a flow-responsive switch to monitor liquid flow and provide a switching input to control systems in heating and water management installations. Relevant search terms include flow switch FS4-3, MM-114400, boiler flow sensor, and water system flow control.\u003c\/p\u003e\n \u003cul\u003e\n  \u003cli\u003eModel FS4-3 flow switch, OEM part number MM 114400 \/ 114400\u003c\/li\u003e\n  \u003cli\u003eIntended for water level control and boiler or water system flow sensing\u003c\/li\u003e\n  \u003cli\u003eSold as Cleaver-Brooks catalog part MM-114400; intended to replace FS4-3 configuration\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003ch4\u003eProduct Highlights\u003c\/h4\u003e\n \u003cp\u003eFlow switch FS4-3 (MM 114400) for water level control and boiler or water system flow sensing\u003c\/p\u003e\n \u003ch3\u003eProduct Information\u003c\/h3\u003e\n \u003ch4\u003eStandard Information\u003c\/h4\u003e\n \u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: MCDONNELL \u0026amp; MILLER\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: MM 114400\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n \u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: McDonnell and Miller\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMPN\u003c\/strong\u003e: MM 114400\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel\u003c\/strong\u003e: FS4-3\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number\u003c\/strong\u003e: 114400\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication\u003c\/strong\u003e: Water level control; boiler and water system flow sensing\u003c\/li\u003e\n \u003c\/ul\u003e","brand":"MCDONNELL \u0026 MILLER","offers":[{"title":"Default Title","offer_id":51525489819954,"sku":"MM 114400","price":352.91,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/4288f07eb83b912b73a3a56b90f74387.png?v=1785475427","url":"https:\/\/voomisupply.com\/products\/mcdonnell-and-miller-mm-114400-flow-switch-fs4-3-replacement-114400","provider":"Voomi Supply","version":"1.0","type":"link"}