{"product_id":"harwil-sdc-101-controller","title":"Harwil SDC-101 Flow Loss Shut Down Controller","description":"\n\u003cstyle\u003e\n  .hsdc-wrap, .hsdc-wrap * { box-sizing: border-box; }\n  .hsdc-wrap {\n    font-family: -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Helvetica, Arial, sans-serif;\n    color: #1a1a1a;\n    line-height: 1.55;\n  }\n\n  \/* Header *\/\n  .hsdc-header {\n    border-left: 5px solid #00a8e0;\n    padding: 4px 0 4px 16px;\n    margin-bottom: 20px;\n  }\n  .hsdc-header h2 {\n    margin: 0;\n    color: #003a70;\n    font-size: 1.55em;\n    font-weight: 700;\n    letter-spacing: -0.01em;\n  }\n  .hsdc-subtitle {\n    margin: 4px 0 0;\n    color: #666;\n    font-size: 0.95em;\n  }\n\n  \/* Intro *\/\n  .hsdc-intro {\n    margin: 0 0 24px;\n    color: #333;\n    font-size: 0.98em;\n  }\n\n  \/* Section heading *\/\n  .hsdc-section { margin-bottom: 28px; }\n  .hsdc-section-heading {\n    background: #003a70;\n    color: #fff;\n    font-size: 0.85em;\n    font-weight: 700;\n    letter-spacing: 0.08em;\n    text-transform: uppercase;\n    padding: 6px 12px;\n    margin: 0 0 0;\n    border-radius: 4px 4px 0 0;\n  }\n\n  \/* Spec table *\/\n  .hsdc-spec-table {\n    width: 100%;\n    border-collapse: collapse;\n    font-size: 0.93em;\n    background: #fff;\n    border: 1px solid #d8dde6;\n    border-top: none;\n    border-radius: 0 0 4px 4px;\n    overflow: hidden;\n  }\n  .hsdc-spec-table tr { border-bottom: 1px solid #eef1f6; }\n  .hsdc-spec-table tr:nth-child(even) { background: #fafbfd; }\n  .hsdc-spec-table tr:last-child { border-bottom: none; }\n  .hsdc-spec-table th,\n  .hsdc-spec-table td {\n    text-align: left;\n    padding: 8px 14px;\n    vertical-align: top;\n  }\n  .hsdc-spec-table th {\n    font-weight: 600;\n    color: #4a4a4a;\n    width: 38%;\n  }\n  .hsdc-spec-table td {\n    color: #1a1a1a;\n    font-family: ui-monospace, \"SF Mono\", Menlo, Consolas, monospace;\n    font-size: 0.92em;\n  }\n\n  \/* Compatibility list *\/\n  .hsdc-compat-list {\n    margin: 0;\n    padding: 14px 16px 14px 32px;\n    background: #fff;\n    border: 1px solid #d8dde6;\n    border-top: none;\n    border-radius: 0 0 4px 4px;\n    list-style: square;\n    color: #1a1a1a;\n    font-size: 0.95em;\n  }\n  .hsdc-compat-list li { padding: 2px 0; }\n  .hsdc-compat-list li::marker { color: #00a8e0; }\n\n  \/* Cross-reference chip list *\/\n  .hsdc-chips {\n    padding: 14px;\n    background: #fff;\n    border: 1px solid #d8dde6;\n    border-top: none;\n    border-radius: 0 0 4px 4px;\n    display: flex;\n    flex-wrap: wrap;\n    gap: 8px;\n  }\n  .hsdc-chip {\n    background: #f0f3f8;\n    border: 1px solid #d8dde6;\n    color: #003a70;\n    padding: 5px 12px;\n    border-radius: 4px;\n    font-family: ui-monospace, \"SF Mono\", Menlo, Consolas, monospace;\n    font-size: 0.88em;\n    font-weight: 600;\n  }\n\n  \/* Notes \/ FAQ *\/\n  .hsdc-notes {\n    padding: 14px;\n    background: #fff;\n    border: 1px solid #d8dde6;\n    border-top: none;\n    border-radius: 0 0 4px 4px;\n  }\n  .hsdc-note-item { padding: 8px 0; border-bottom: 1px solid #eef1f6; }\n  .hsdc-note-item:last-child { border-bottom: none; }\n  .hsdc-note-q { font-weight: 600; color: #003a70; margin: 0 0 3px; font-size: 0.95em; }\n  .hsdc-note-a { margin: 0; color: #333; font-size: 0.93em; }\n\n  \/* Footer *\/\n  .hsdc-footer {\n    border-top: 1px solid #d8dde6;\n    padding-top: 12px;\n    margin-top: 24px;\n    text-align: center;\n    color: #555;\n    font-size: 0.88em;\n  }\n  .hsdc-footer .hsdc-dot {\n    color: #00a8e0;\n    margin: 0 8px;\n    font-weight: 700;\n  }\n\u003c\/style\u003e\n\n\u003cdiv class=\"hsdc-wrap\"\u003e\n\n  \u003cheader class=\"hsdc-header\"\u003e\n    \u003ch2\u003eHarwil SDC-101 Shut Down Controller\u003c\/h2\u003e\n    \u003cp class=\"hsdc-subtitle\"\u003eNo flow, no power.\u003c\/p\u003e\n  \u003c\/header\u003e\n\n  \u003cp class=\"hsdc-intro\"\u003eThe \u003cstrong\u003eHarwil SDC-101\u003c\/strong\u003e installs in the input power line of pumps, heaters and valves that are flow critical, and interrupts power automatically on loss of flow. Power stays off until the problem is corrected and proper flow is re-established.\u003c\/p\u003e\n\n  \n    \n    \u003csection class=\"hsdc-section\"\u003e\n      \u003cdiv class=\"hsdc-section-heading\"\u003eFunction\u003c\/div\u003e\n      \u003ctable class=\"hsdc-spec-table\"\u003e\n        \u003ctbody\u003e\n          \u003ctr\u003e\n\u003cth\u003ePurpose\u003c\/th\u003e\n\u003ctd\u003eShut down control on loss of flow\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInstalled In\u003c\/th\u003e\n\u003ctd\u003eInput power line of pumps, heaters, valves\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOn Flow Loss\u003c\/th\u003e\n\u003ctd\u003eInterrupts power automatically\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRestart\u003c\/th\u003e\n\u003ctd\u003ePower remains off until proper flow is re-established\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003c\/tbody\u003e\n      \u003c\/table\u003e\n    \u003c\/section\u003e\n    \n    \u003csection class=\"hsdc-section\"\u003e\n      \u003cdiv class=\"hsdc-section-heading\"\u003eProblems Addressed\u003c\/div\u003e\n      \u003ctable class=\"hsdc-spec-table\"\u003e\n        \u003ctbody\u003e\n          \u003ctr\u003e\n\u003cth\u003eStart Up\u003c\/th\u003e\n\u003ctd\u003eFailure to establish programmed flow after pump turn on\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRunning\u003c\/th\u003e\n\u003ctd\u003eLoss of flow from line clogging, line rupture or incorrect valve position\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePriming\u003c\/th\u003e\n\u003ctd\u003eAddresses loss of pump prime, where a flow switch alone cannot start the pump\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003c\/tbody\u003e\n      \u003c\/table\u003e\n    \u003c\/section\u003e\n    \n  \n\n  \n  \u003csection class=\"hsdc-section\"\u003e\n    \u003cdiv class=\"hsdc-section-heading\"\u003eCompatibility\u003c\/div\u003e\n    \u003cul class=\"hsdc-compat-list\"\u003e\n      \u003cli\u003eFlow critical pumps\u003c\/li\u003e\n\u003cli\u003eFlow critical heaters\u003c\/li\u003e\n\u003cli\u003eFlow critical valves\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/section\u003e\n  \n\n  \n  \u003csection class=\"hsdc-section\"\u003e\n    \u003cdiv class=\"hsdc-section-heading\"\u003eCross-References\u003c\/div\u003e\n    \u003cdiv class=\"hsdc-chips\"\u003e\n      \u003cspan class=\"hsdc-chip\"\u003eSDC-101\u003c\/span\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n  \n\n  \n  \u003csection class=\"hsdc-section\"\u003e\n    \u003cdiv class=\"hsdc-section-heading\"\u003eNotes\u003c\/div\u003e\n    \u003cdiv class=\"hsdc-notes\"\u003e\n      \n      \u003cdiv class=\"hsdc-note-item\"\u003e\n        \u003cp class=\"hsdc-note-q\"\u003eWhy not just use a flow switch on the pump output?\u003c\/p\u003e\n        \u003cp class=\"hsdc-note-a\"\u003eA flow switch alone creates a catch 22 at start up, because there is no flow yet to close the switch and energize the pump. The SDC-101 is designed to handle that start up case.\u003c\/p\u003e\n      \u003c\/div\u003e\n      \n    \u003c\/div\u003e\n  \u003c\/section\u003e\n  \n\n  \u003cfooter class=\"hsdc-footer\"\u003e\n    Genuine Harwil\u003cspan class=\"hsdc-dot\"\u003e•\u003c\/span\u003eFactory Specifications\u003cspan class=\"hsdc-dot\"\u003e•\u003c\/span\u003eFast Shipping\u003cspan class=\"hsdc-dot\"\u003e•\u003c\/span\u003eExpert Support\n  \u003c\/footer\u003e\n\n\u003c\/div\u003e\n","brand":"Harwil Corporation","offers":[{"title":"Default Title","offer_id":55882734174530,"sku":"PFS-SDC-101","price":422.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1022\/1040\/4674\/files\/SDC101.1_f4b5cd27-127e-4ffa-b250-7632d6a7c966.png?v=1786333955","url":"https:\/\/pureflowsystems.com\/products\/harwil-sdc-101-controller","provider":"Pure Flow Systems","version":"1.0","type":"link"}