{"product_id":"flow-switch-q12ds","title":"Flow Switch, Harwil, 1\/2\" MIPT Connection, SPST w\/36\" 2 Pin Amp : Q12DS","description":"\u003csection style=\"width:100%; max-width:900px; margin:0 auto; padding:20px; font-family:Arial, sans-serif; color:#333;\"\u003e \u003ch2 style=\"text-align:center; color:#0064ac; margin-bottom:20px; font-weight:700;\"\u003eProduct Details\u003c\/h2\u003e \u003cp style=\"font-size:1rem; line-height:1.5; margin-bottom:25px;\"\u003e    The Harwil Q-12 Flow Switch is a versatile fluid flow verification device widely used in pool, spa, and fluid control applications since the mid-1980s. Designed to ensure proper flow conditions, it helps protect equipment such as heaters, chillers, and water disinfection systems.  \u003c\/p\u003e \u003cdiv style=\"border:2px solid #0064ac; padding:15px 20px; border-radius:6px; background:#f0f7fb; margin-bottom:25px; font-weight:700; font-size:1.25rem; color:#0064ac;\"\u003e    Flow Switch, Harwil, 1\/2\" MIPT Connection, SPST w\/36\" 2 Pin Amp : Q12DS  \u003c\/div\u003e \u003cul style=\"list-style-type: disc; padding-left:20px; font-size:1rem; line-height:1.6; color:#333;\"\u003e \u003cli\u003e\n\u003cstrong\u003eConnection Type:\u003c\/strong\u003e 1\/2\" Male Iron Pipe Thread (MIPT)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSwitch Type:\u003c\/strong\u003e Single Pole Single Throw (SPST)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eLead Wire:\u003c\/strong\u003e 36\" 2-pin AMP connector\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFlow Range:\u003c\/strong\u003e 0.7 to 590 gallons per minute (GPM)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaximum Flow:\u003c\/strong\u003e Up to five times the normal flow\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePressure Drop:\u003c\/strong\u003e Typically less than 1.0 psig at normal flow rate\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eElectrical Rating:\u003c\/strong\u003e Switches voltage from 5 VDC up to 240 VAC\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePower Handling:\u003c\/strong\u003e Can power small ice cube relay coils and some 30A power relays\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompatible Pipe Sizes:\u003c\/strong\u003e Suitable for pipes ranging from ¾ inch to 6 inches\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAlternate Part Number:\u003c\/strong\u003e 5-20-0007\u003c\/li\u003e \u003c\/ul\u003e \u003cp style=\"font-size:1rem; line-height:1.5; margin-top:25px;\"\u003e    The Q-12 flow switch is factory adjustable to meet diverse application requirements. It is commonly used to verify fluid flow before activating devices such as salt chlorine generators, water heaters in spas or hot tubs, chillers, and home water disinfection systems, helping to protect equipment and ensure safe operation.  \u003c\/p\u003e\u003c\/section\u003e","brand":"PartsForSpas.com","offers":[{"title":"Default Title","offer_id":47264481444009,"sku":"Q12DS","price":83.14,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/7584\/4521\/files\/29999.jpg?v=1784076796","url":"https:\/\/partsforspas.com\/products\/flow-switch-q12ds","provider":"PartsForSpas.com","version":"1.0","type":"link"}