{"product_id":"honeywell-l8148e1265-aquastat-relay-available-now","title":"L8148E1265 | Honeywell High Limit Vertical Mount Aquastat Relay, 180–240°F, 15°F Differential","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp data-end=\"396\" data-start=\"144\"\u003eThe Honeywell L8148E1265 Aquastat Relay is a vertical-mount, immersion-type controller that combines high limit protection with relay switching for burner and circulator control. It operates within a 180°F to 240°F temperature range with a fixed 15°F differential, ensuring dependable boiler management. This model is designed for precise high limit operation in hydronic heating systems.\u003c\/p\u003e\n\u003cp class=\"\" data-end=\"574\" data-start=\"284\"\u003e \u003c\/p\u003e\n\u003cp class=\"\" data-end=\"574\" data-start=\"284\"\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications \u003c\/h4\u003e\n\u003ctable style=\"width: 100.083%; height: 568.22px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 25.9866%; height: 19.5938px;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.8781%; height: 19.5938px;\"\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 25.9866%; height: 19.5938px;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.8781%; height: 19.5938px;\"\u003eHoneywell\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 25.9866%; height: 19.5938px;\"\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.8781%; height: 19.5938px;\"\u003eControls \u0026amp; Indicators\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 25.9866%; height: 19.5938px;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.8781%; height: 19.5938px;\"\u003eL8148E1265\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 25.9866%; height: 19.5938px;\"\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.8781%; height: 19.5938px;\"\u003eTemperature\/Process Control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 25.9866%; height: 19.5938px;\"\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.8781%; height: 19.5938px;\"\u003eHigh Limit control for boilers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 25.9866%; height: 19.5938px;\"\u003e\u003cstrong\u003eSwitch Action\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.8781%; height: 19.5938px;\"\u003eSPST\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 25.9866%; height: 39.1875px;\"\u003e\u003cstrong\u003eTemperature Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.8781%; height: 39.1875px;\"\u003e180°F to 240°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 25.9866%; height: 39.1875px;\"\u003e\u003cstrong\u003eMax Temp Differential\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.8781%; height: 39.1875px;\"\u003e15°F (fixed)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 25.9866%; height: 19.5938px;\"\u003e\u003cstrong\u003eFrequency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.8781%; height: 19.5938px;\"\u003e60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 25.9866%; height: 39.1875px;\"\u003e\u003cstrong\u003eElectrical Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.8781%; height: 39.1875px;\"\u003eBurner: 7.4A @120V, 3.7A @240V; Circulator: 7.4A @120V, 3.7A @240V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 25.9866%; height: 39.1875px;\"\u003e\u003cstrong\u003eALR Ratings\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.8781%; height: 39.1875px;\"\u003eBurner: 44.4A @120V, 22.2A @240V; Circulator: 44.4A @120V, 22.2A @240V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 25.9866%; height: 19.5938px;\"\u003e\u003cstrong\u003eVoltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.8781%; height: 19.5938px;\"\u003e120 Vac\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 25.9866%; height: 39.1875px;\"\u003e\u003cstrong\u003eThermostat Requirement\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.8781%; height: 39.1875px;\"\u003e24 Vac with heat anticipator set at 0.2A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 25.9866%; height: 19.5938px;\"\u003e\u003cstrong\u003eConnection Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.8781%; height: 19.5938px;\"\u003eQuick-Connect\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 25.9866%; height: 19.5938px;\"\u003e\u003cstrong\u003eCapillary Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.8781%; height: 19.5938px;\"\u003e4-1\/2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 25.9866%; height: 19.5938px;\"\u003e\u003cstrong\u003eMount\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.8781%; height: 19.5938px;\"\u003eVertical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 25.9866%; height: 19.5938px;\"\u003e\u003cstrong\u003eCase Options\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.8781%; height: 19.5938px;\"\u003eVertical or horizontal available\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 25.9866%; height: 19.5938px;\"\u003e\u003cstrong\u003eMax Pressure\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.8781%; height: 19.5938px;\"\u003e255 PSI (Immersion Well)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 25.9866%; height: 19.5938px;\"\u003e\u003cstrong\u003eOperating Humidity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.8781%; height: 19.5938px;\"\u003e0%–95% non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 25.9866%; height: 19.5938px;\"\u003e\u003cstrong\u003eMax Ambient Temp\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.8781%; height: 19.5938px;\"\u003e77°F (1.4A 24V load), 150°F (1.2A 24V load)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1875px;\"\u003e\n\u003ctd style=\"width: 25.9866%; height: 39.1875px;\"\u003e\u003cstrong\u003eDimensions (H x W x D)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.8781%; height: 39.1875px;\"\u003e6-1\/8\" x 4-3\/8\" x 3-1\/8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 25.9866%; height: 19.5938px;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 70.8781%; height: 19.5938px;\"\u003e2.50 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eInformation About L8148E1265\u003c\/h4\u003e\n\u003cp data-start=\"433\" data-end=\"1234\"\u003eThe L8148E1265 is part of Honeywell’s Aquastat Relay series, built for immersion control in hot water boiler applications. It features an SPST high limit switch combined with relay control, allowing simultaneous regulation of burners and circulator motors. The unit is designed for vertical mounting and includes accessory terminals to support a remote low-limit controller when required. Its robust construction, 4-1\/2\" capillary, and compatibility with 24 Vac thermostats make it reliable for residential and light commercial heating systems.\u003c\/p\u003e\n\u003cp data-start=\"1236\" data-end=\"1255\"\u003e\u003cstrong data-start=\"1236\" data-end=\"1253\"\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHigh Limit Protection: Opens the burner circuit to prevent overheating.\u003c\/li\u003e\n\u003cli\u003eSPST Switching: Controls burner and circulator operation in hydronic systems.\u003c\/li\u003e\n\u003cli\u003eFixed Differential: Maintains a 15°F separation for stable temperature regulation.\u003c\/li\u003e\n\u003cli\u003eWide Temperature Range: Adjustable from 180°F to 240°F for boiler applications.\u003c\/li\u003e\n\u003cli\u003eAccessory Terminals: Supports connection to an external low limit controller.\u003c\/li\u003e\n\u003cli\u003eVertical Mount Design: Built for reliable vertical installation in immersion wells.\u003c\/li\u003e\n\u003cli\u003eQuick-Connect Terminals: Simplifies wiring and system integration.\u003c\/li\u003e\n\u003cli\u003eDurable Build: Handles up to 255 PSI pressure and high humidity environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe L8148E1265 delivers the reliability and precision required for boiler temperature management in hydronic heating systems.\u003c\/p\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":50510084997418,"sku":"L8148E1265","price":754.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/0392\/4266\/files\/l8148e1265resideo01.jpg?v=1755538268","url":"https:\/\/iqelectro.com\/products\/honeywell-l8148e1265-aquastat-relay-available-now","provider":"IQElectro","version":"1.0","type":"link"}