{"product_id":"l404a1370-honeywell-pressure-switch-pressuretrol-5-50psi","title":"L404A1370 | Honeywell Pressure Switch Pressuretrol 5-50PSI","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp\u003eThe Honeywell L404A1370 is a diaphragm-actuated pressure switch designed to monitor and control pressure levels in steam, air, and non-corrosive gas systems. With a 5–50 PSI range, it provides precise regulation and switching for heating and process applications.\u003c\/p\u003e\n\u003cp data-start=\"284\" data-end=\"574\" class=\"\"\u003e \u003c\/p\u003e\n\u003cp data-start=\"284\" data-end=\"574\" class=\"\"\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications \u003c\/h4\u003e\n\u003ctable width=\"100%\" style=\"height: 457.625px; width: 100%;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 26.8594px;\"\u003e\n\u003cth style=\"width: 31.0909%; text-align: left; height: 26.8594px;\" class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\"\u003eCondition\u003c\/th\u003e\n\u003ctd style=\"width: 68.5455%; height: 26.8594px;\" class=\"text-left text-body1 py-10 desktop:w-[60%]\"\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003cth style=\"width: 31.0909%; text-align: left; height: 19.5938px;\" class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\"\u003eBrand\u003c\/th\u003e\n\u003ctd style=\"width: 68.5455%; height: 19.5938px;\" class=\"text-left text-body1 py-10 desktop:w-[60%]\"\u003e\u003cspan data-sheets-root=\"1\"\u003eHoneywell\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003cth style=\"width: 31.0909%; text-align: left; height: 19.5938px;\"\u003eCategory\u003c\/th\u003e\n\u003ctd style=\"width: 68.5455%; height: 19.5938px;\"\u003e\n\u003cdiv class=\"mt-1 md:mt-0 column-left basis-2\/4 divide-y divide-rad-gray-10 border-b-[0.0625rem] border-rad-gray-10 md:border-0\"\u003e\n\u003cdiv class=\"flex gap-[1.75rem] md:gap-x-0 xl:gap-x-[1.875rem]\"\u003e\n\u003cdiv class=\"text-body-4 w-full font-light py-5 pl-4 md:py-6 md:pl-6 text-rad-gray-70\"\u003e\n\u003cdiv class=\"max-w-[8rem] break-words\"\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003eSensors \u0026amp; Switches\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 32.125px;\"\u003e\n\u003cth style=\"width: 31.0909%; text-align: left; height: 32.125px;\"\u003ePart Number\u003c\/th\u003e\n\u003ctd style=\"width: 68.5455%; height: 32.125px;\"\u003e\u003cspan data-sheets-root=\"1\"\u003eL404A1370\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 22.2969px;\"\u003e\n\u003cth style=\"width: 31.0909%; text-align: left; height: 22.2969px;\"\u003e\u003cspan\u003eSubcategory\u003c\/span\u003e\u003c\/th\u003e\n\u003ctd style=\"width: 68.5455%; height: 22.2969px;\"\u003e\u003cspan data-sheets-root=\"1\"\u003e\u003cspan\u003ePressure Switch\u003c\/span\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 21.625px;\"\u003e\n\u003cth style=\"width: 31.0909%; text-align: left; height: 21.625px;\"\u003e\u003cspan\u003eSeries\u003c\/span\u003e\u003c\/th\u003e\n\u003ctd style=\"width: 68.5455%; height: 21.625px;\"\u003e\u003cspan data-sheets-root=\"1\"\u003e\u003cspan\u003eL404A\u003c\/span\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 27.75px;\"\u003e\n\u003cth style=\"width: 31.0909%; text-align: left; height: 27.75px;\"\u003e\u003cspan\u003ePressure Range\u003c\/span\u003e\u003c\/th\u003e\n\u003ctd style=\"width: 68.5455%; height: 27.75px;\"\u003e\u003cspan data-sheets-root=\"1\"\u003e\u003cspan\u003e5–50 PSI\u003c\/span\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 32.625px;\"\u003e\n\u003cth style=\"width: 31.0909%; text-align: left; height: 32.625px;\"\u003eDifferential (mid-scale)\u003c\/th\u003e\n\u003ctd style=\"width: 68.5455%; height: 32.625px;\"\u003eApprox. 6–12 PSI\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 34.6875px;\"\u003e\n\u003cth class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\" style=\"width: 31.0909%; text-align: left; height: 34.6875px;\"\u003eSwitch Type\u003cbr\u003e\n\u003c\/th\u003e\n\u003ctd class=\"text-left text-body1 py-10 desktop:w-[60%]\" style=\"width: 68.5455%; height: 34.6875px;\"\u003eSPST (Snap-Acting)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 44.125px;\"\u003e\n\u003cth style=\"width: 31.0909%; text-align: left; height: 44.125px;\"\u003ePressure Sensing Element\u003c\/th\u003e\n\u003ctd style=\"width: 68.5455%; height: 44.125px;\"\u003eStainless Steel Diaphragm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003cth style=\"width: 31.0909%; text-align: left; height: 39.1875px;\"\u003eElectrical Rating (120V AC)\u003c\/th\u003e\n\u003ctd style=\"width: 68.5455%; height: 39.1875px;\"\u003e8.0 A (Full Load), 4.0 A (Locked Rotor)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003cth style=\"width: 31.0909%; text-align: left; height: 39.1875px;\"\u003eElectrical Rating (240V AC)\u003c\/th\u003e\n\u003ctd style=\"width: 68.5455%; height: 39.1875px;\"\u003e\u003cspan\u003e5.1 A (Full Load), 3.6 A (Locked Rotor)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003cth style=\"width: 31.0909%; text-align: left; height: 19.5938px;\"\u003eElectrical Rating (DC)\u003c\/th\u003e\n\u003ctd style=\"width: 68.5455%; height: 19.5938px;\"\u003e\u003cspan\u003e2.4 A (120V), 1.2 A (240V)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003cth style=\"width: 31.0909%; text-align: left; height: 19.5938px;\"\u003eMounting\u003c\/th\u003e\n\u003ctd style=\"width: 68.5455%; height: 19.5938px;\"\u003e\u003cspan\u003e¼\" NPT or Surface Mount\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003cth style=\"width: 31.0909%; text-align: left; height: 19.5938px;\"\u003eAmbient Temp Limit\u003c\/th\u003e\n\u003ctd style=\"width: 68.5455%; height: 19.5938px;\"\u003e\u003cspan\u003e150°F (65°C)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003cth style=\"width: 31.0909%; text-align: left; height: 19.5938px;\"\u003eCover Type\u003c\/th\u003e\n\u003ctd style=\"width: 68.5455%; height: 19.5938px;\"\u003e\u003cspan\u003eClear Plastic (scale visible)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003cth style=\"width: 31.0909%; text-align: left; height: 19.5938px;\"\u003eWeight\u003c\/th\u003e\n\u003ctd style=\"width: 68.5455%; height: 19.5938px;\"\u003e\u003cspan\u003e1.68 lbs\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003cspan style=\"font-size: 0.875rem;\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eInformation About \u003cspan data-sheets-root=\"1\"\u003eL404A1370\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp\u003eThe L404A1370 belongs to the Honeywell Pressuretrol L404A series, which are high-limit controllers intended for use in steam or gas pressure systems. It features a stainless steel diaphragm for pressure ranges from 5 to 50 PSI, with SPST snap-acting switch functionality. This model offers subtractive differential pressure control and supports external adjustments via a visible scale through a clear cover. It operates using a bellows mechanism and is designed for use with ¼\" NPT pipe threading or surface mounting. The unit is UL and CSA approved and rated for ambient temperatures up to 150°F.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePressure Range of 5–50 PSI: Adjustable via external scaleplate, with mid-scale differential of approximately 6–12 PSI.\u003c\/li\u003e\n\u003cli\u003eSPST Snap-Acting Switch: Simplifies control with reliable open\/close contact behavior.\u003c\/li\u003e\n\u003cli\u003eDiaphragm Sensing Element: Uses stainless steel diaphragm for accurate sensing within the target pressure range.\u003c\/li\u003e\n\u003cli\u003eSubtractive Differential: Designed to respond to pressure decreases below setpoint.\u003c\/li\u003e\n\u003cli\u003eClear Plastic Cover: Allows for easy inspection and access to pressure adjustment screws.\u003c\/li\u003e\n\u003cli\u003e¼\" NPT Threaded Mounting: Supports both pipe and surface installation methods.\u003c\/li\u003e\n\u003cli\u003eUL and CSA Approved: Certified for industrial and commercial compliance.\u003c\/li\u003e\n\u003cli\u003eAmbient Temperature Limit 150°F (65°C): Ensures stability in hot environments.\u003c\/li\u003e\n\u003cli\u003eElectrical Ratings: Rated for up to 8.0 A at 120V AC and 2.4 A at 120V DC.\u003c\/li\u003e\n\u003cli\u003eCompact Design: Dimensions approximately 5.5\" wide × 6.5\" high × 2.5\" deep.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe L404A1370 provides robust and accurate switching for medium-range pressure control tasks in steam heating and air systems.\u003c\/p\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":49105358291200,"sku":"L404A1370","price":393.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0388\/5331\/2557\/files\/Z0tN6xicpEx.jpg?v=1785545575","url":"https:\/\/alotechparts.com\/products\/l404a1370-honeywell-pressure-switch-pressuretrol-5-50psi","provider":"Alo Tech Solutions","version":"1.0","type":"link"}