{"product_id":"united-electric-h105k-457-9942-differential-pressure-switch","title":"United Electric H105K-457-9942 Differential Pressure Switch","description":"\u003ch1 data-section-id=\"1yrey0j\" data-start=\"319\" data-end=\"382\"\u003eUnited Electric H105K-457-9942 Differential Pressure Switch\u003c\/h1\u003e\n\u003cp data-start=\"383\" data-end=\"442\"\u003e\u003cstrong data-start=\"383\" data-end=\"442\"\u003e0–30 PSID | NEMA 4X | Industrial HVAC \u0026amp; Process Control\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"444\" data-end=\"447\"\u003e\n\u003ch2 data-section-id=\"53drpp\" data-start=\"449\" data-end=\"470\"\u003eProduct Overview\u003c\/h2\u003e\n\u003cp data-start=\"471\" data-end=\"706\"\u003eThe \u003cstrong data-start=\"475\" data-end=\"538\"\u003eUnited Electric H105K-457-9942 differential pressure switch\u003c\/strong\u003e is a rugged, industrial-grade device designed for precise monitoring and control of pressure differences in HVAC systems, air handling units, and process applications.\u003c\/p\u003e\n\u003cp data-start=\"708\" data-end=\"924\"\u003eBuilt as part of UE’s trusted H105K Series, this switch delivers reliable performance in demanding environments, offering accurate pressure detection for safety shutdowns, filter monitoring, and airflow verification.\u003c\/p\u003e\n\u003chr data-start=\"926\" data-end=\"929\"\u003e\n\u003ch2 data-section-id=\"1vbta0f\" data-start=\"931\" data-end=\"951\"\u003e🔧 Key Features\u003c\/h2\u003e\n\u003cul data-start=\"952\" data-end=\"1579\"\u003e\n\u003cli data-section-id=\"12h5ztn\" data-start=\"952\" data-end=\"1090\"\u003e\n\u003cstrong data-start=\"954\" data-end=\"1002\"\u003eDifferential Pressure Monitoring (0–30 PSID)\u003c\/strong\u003e – Ideal for airflow and system pressure control \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1swkm30\" data-start=\"1091\" data-end=\"1213\"\u003e\n\u003cstrong data-start=\"1093\" data-end=\"1128\"\u003eAdjustable Setpoint (3–30 PSID)\u003c\/strong\u003e – Field-adjustable for flexible applications \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"akj9eb\" data-start=\"1214\" data-end=\"1332\"\u003e\n\u003cstrong data-start=\"1216\" data-end=\"1237\"\u003eNEMA 4X Enclosure\u003c\/strong\u003e – Corrosion-resistant, suitable for harsh environments \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"zd5dlw\" data-start=\"1333\" data-end=\"1391\"\u003e\n\u003cstrong data-start=\"1335\" data-end=\"1360\"\u003eSPDT Switching Output\u003c\/strong\u003e – Reliable control signaling\u003c\/li\u003e\n\u003cli data-section-id=\"1grt2ki\" data-start=\"1392\" data-end=\"1486\"\u003e\n\u003cstrong data-start=\"1394\" data-end=\"1426\"\u003eHeavy-Duty Electrical Rating\u003c\/strong\u003e – Up to 15A, 480VAC \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"175dde3\" data-start=\"1487\" data-end=\"1579\"\u003e\n\u003cstrong data-start=\"1489\" data-end=\"1522\"\u003eIndustrial-Grade Construction\u003c\/strong\u003e – Built for long-term reliability in demanding systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1581\" data-end=\"1584\"\u003e\n\u003ch2 data-section-id=\"1hmgiha\" data-start=\"1586\" data-end=\"1618\"\u003e⚙️ Technical Specifications\u003c\/h2\u003e\n\u003cul data-start=\"1620\" data-end=\"2573\"\u003e\n\u003cli data-section-id=\"1260z5h\" data-start=\"1620\" data-end=\"1666\"\u003e\n\u003cstrong data-start=\"1622\" data-end=\"1639\"\u003eManufacturer:\u003c\/strong\u003e United Electric Controls\u003c\/li\u003e\n\u003cli data-section-id=\"kfkp81\" data-start=\"1667\" data-end=\"1691\"\u003e\n\u003cstrong data-start=\"1669\" data-end=\"1679\"\u003eModel:\u003c\/strong\u003e H105K-457\u003c\/li\u003e\n\u003cli data-section-id=\"h0d1hc\" data-start=\"1692\" data-end=\"1717\"\u003e\n\u003cstrong data-start=\"1694\" data-end=\"1710\"\u003ePart Number:\u003c\/strong\u003e 9942\u003c\/li\u003e\n\u003cli data-section-id=\"1244qec\" data-start=\"1718\" data-end=\"1767\"\u003e\n\u003cstrong data-start=\"1720\" data-end=\"1736\"\u003eDevice Type:\u003c\/strong\u003e Differential Pressure Switch\u003c\/li\u003e\n\u003cli data-section-id=\"ha5f5n\" data-start=\"1768\" data-end=\"1839\"\u003e\n\u003cstrong data-start=\"1770\" data-end=\"1789\"\u003ePressure Range:\u003c\/strong\u003e 0–30 PSID \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1wchzyc\" data-start=\"1840\" data-end=\"1922\"\u003e\n\u003cstrong data-start=\"1842\" data-end=\"1872\"\u003eAdjustable Setpoint Range:\u003c\/strong\u003e 3–30 PSID \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1w2qeyi\" data-start=\"1923\" data-end=\"1999\"\u003e\n\u003cstrong data-start=\"1925\" data-end=\"1938\"\u003eDeadband:\u003c\/strong\u003e 0.05–0.3 PSI (fixed) \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1g80u5t\" data-start=\"2000\" data-end=\"2069\"\u003e\n\u003cstrong data-start=\"2002\" data-end=\"2021\"\u003eProof Pressure:\u003c\/strong\u003e 225 PSI \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"9kei5y\" data-start=\"2070\" data-end=\"2151\"\u003e\n\u003cstrong data-start=\"2072\" data-end=\"2093\"\u003eWorking Pressure:\u003c\/strong\u003e Vacuum to 225 PSI \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"cmka51\" data-start=\"2152\" data-end=\"2235\"\u003e\n\u003cstrong data-start=\"2154\" data-end=\"2176\"\u003eElectrical Rating:\u003c\/strong\u003e Up to 15A @ 480VAC \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1uvr157\" data-start=\"2236\" data-end=\"2261\"\u003e\n\u003cstrong data-start=\"2238\" data-end=\"2254\"\u003eSwitch Type:\u003c\/strong\u003e SPDT\u003c\/li\u003e\n\u003cli data-section-id=\"1vkwpl3\" data-start=\"2262\" data-end=\"2351\"\u003e\n\u003cstrong data-start=\"2264\" data-end=\"2287\"\u003eProcess Connection:\u003c\/strong\u003e 1\/4\" NPT (dual ports) \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"143bilr\" data-start=\"2352\" data-end=\"2386\"\u003e\n\u003cstrong data-start=\"2354\" data-end=\"2377\"\u003eDiaphragm Material:\u003c\/strong\u003e Buna-N\u003c\/li\u003e\n\u003cli data-section-id=\"xvsigf\" data-start=\"2387\" data-end=\"2497\"\u003e\n\u003cstrong data-start=\"2389\" data-end=\"2410\"\u003eEnclosure Rating:\u003c\/strong\u003e NEMA 4X (weatherproof \/ corrosion-resistant) \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1jf1824\" data-start=\"2498\" data-end=\"2573\"\u003e\n\u003cstrong data-start=\"2500\" data-end=\"2527\"\u003eCountry of Manufacture:\u003c\/strong\u003e USA \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2575\" data-end=\"2578\"\u003e\n\u003ch2 data-section-id=\"j9wu1z\" data-start=\"2580\" data-end=\"2608\"\u003e🏭 Typical Applications\u003c\/h2\u003e\n\u003cul data-start=\"2609\" data-end=\"2830\"\u003e\n\u003cli data-section-id=\"wstk07\" data-start=\"2609\" data-end=\"2633\"\u003eHVAC airflow proving\u003c\/li\u003e\n\u003cli data-section-id=\"ty7xlk\" data-start=\"2634\" data-end=\"2680\"\u003eFilter monitoring (dirty filter detection)\u003c\/li\u003e\n\u003cli data-section-id=\"17nwds6\" data-start=\"2681\" data-end=\"2719\"\u003eFan and blower status verification\u003c\/li\u003e\n\u003cli data-section-id=\"1pzmmef\" data-start=\"2720\" data-end=\"2748\"\u003eDuct pressure monitoring\u003c\/li\u003e\n\u003cli data-section-id=\"lfaiut\" data-start=\"2749\" data-end=\"2787\"\u003eIndustrial process control systems\u003c\/li\u003e\n\u003cli data-section-id=\"fc628t\" data-start=\"2788\" data-end=\"2830\"\u003eSafety interlocks and shutdown systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2832\" data-end=\"2835\"\u003e\n\u003ch2 data-section-id=\"w2lxqc\" data-start=\"2837\" data-end=\"2852\"\u003e✅ Benefits\u003c\/h2\u003e\n\u003cul data-start=\"2853\" data-end=\"3069\"\u003e\n\u003cli data-section-id=\"1hesuny\" data-start=\"2853\" data-end=\"2919\"\u003ePrevents system damage by detecting pressure loss or imbalance\u003c\/li\u003e\n\u003cli data-section-id=\"1pqtjo8\" data-start=\"2920\" data-end=\"2966\"\u003eImproves HVAC system efficiency and safety\u003c\/li\u003e\n\u003cli data-section-id=\"fzxa6e\" data-start=\"2967\" data-end=\"3022\"\u003eReliable switching in harsh or outdoor environments\u003c\/li\u003e\n\u003cli data-section-id=\"644nb9\" data-start=\"3023\" data-end=\"3069\"\u003eLong service life with minimal maintenance\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"United Electric","offers":[{"title":"Default Title","offer_id":45790752047290,"sku":"H105K-457-9942","price":165.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0629\/6528\/5050\/files\/IMG_1258.jpg?v=1776696891","url":"https:\/\/lowpriceforall.com\/products\/united-electric-h105k-457-9942-differential-pressure-switch","provider":"Low Price for All","version":"1.0","type":"link"}