{"product_id":"r8182d1079-honeywell-combination-protectorelay-hydronic-heating-control-120-v","title":"R8182D1079 | Honeywell Combination Protectorelay \u0026 Hydronic Heating Control 120 V","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp data-end=\"396\" data-start=\"144\"\u003eThe Honeywell R8182D1079 is a combination Protectorelay and hydronic heating control designed for oil-fired heating systems. It provides high-limit, low-limit, and circulator control functions in one compact unit, ensuring safe, efficient operation of intermittent ignition and zone-controlled hydronic 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%; height: 529.033px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 37.6197%; height: 19.5938px;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.0677%; 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: 37.6197%; height: 19.5938px;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.0677%; height: 19.5938px;\"\u003eHoneywell\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 37.6197%; height: 19.5938px;\"\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.0677%; height: 19.5938px;\"\u003eHVAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 37.6197%; height: 19.5938px;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.0677%; height: 19.5938px;\"\u003eR8182D1079\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 37.6197%; height: 19.5938px;\"\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.0677%; height: 19.5938px;\"\u003eBurner Control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 37.6197%; height: 19.5938px;\"\u003e\u003cstrong\u003eControl Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.0677%; height: 19.5938px;\"\u003eCombination Protectorelay and Aquastat\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 37.6197%; height: 19.5938px;\"\u003e\u003cstrong\u003eVoltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.0677%; height: 19.5938px;\"\u003e120 Vac\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 37.6197%; height: 19.5938px;\"\u003e\u003cstrong\u003eFrequency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.0677%; height: 19.5938px;\"\u003e60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 37.6197%; height: 19.5938px;\"\u003e\u003cstrong\u003eSwitching Action\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.0677%; height: 19.5938px;\"\u003eSPST\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 37.6197%; height: 19.5938px;\"\u003e\u003cstrong\u003eIgnition Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.0677%; height: 19.5938px;\"\u003e360 VA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 37.6197%; height: 19.5938px;\"\u003e\u003cstrong\u003eBurner Rating (AFL)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.0677%; height: 19.5938px;\"\u003e4.4 A @ 120 Vac\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 37.6197%; height: 19.5938px;\"\u003e\u003cstrong\u003eBurner Rating (Locked Rotor)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.0677%; height: 19.5938px;\"\u003e26.4 A @ 120 Vac\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 37.6197%; height: 19.5938px;\"\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.0677%; height: 19.5938px;\"\u003e9 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 37.6197%; height: 19.5938px;\"\u003e\u003cstrong\u003eSafety Switch Timing\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.0677%; height: 19.5938px;\"\u003e45 seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 37.6197%; height: 19.5938px;\"\u003e\u003cstrong\u003eHigh Limit Range (°F)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.0677%; height: 19.5938px;\"\u003e130 – 240 °F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 37.6197%; height: 19.5938px;\"\u003e\u003cstrong\u003eLow Limit Range (°F)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.0677%; height: 19.5938px;\"\u003e110 – 220 °F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 37.6197%; height: 19.5938px;\"\u003e\u003cstrong\u003eDifferential Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.0677%; height: 19.5938px;\"\u003e10 °F fixed \/ 10–25 °F adjustable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 37.6197%; height: 19.5938px;\"\u003e\u003cstrong\u003eAnticipator Setting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.0677%; height: 19.5938px;\"\u003e0.2 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 37.6197%; height: 19.5938px;\"\u003e\u003cstrong\u003eMax Pressure (psi)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.0677%; height: 19.5938px;\"\u003e200 (immersion well) \/ 100 (direct immersion)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 37.6197%; height: 19.5938px;\"\u003e\u003cstrong\u003eOperating Humidity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.0677%; height: 19.5938px;\"\u003e0 – 95% RH (non-condensing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 37.6197%; height: 19.5938px;\"\u003e\u003cstrong\u003eMax Ambient Temp\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.0677%; height: 19.5938px;\"\u003e250 °F (121 °C) at element\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 37.6197%; height: 19.5938px;\"\u003e\u003cstrong\u003eMounting Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.0677%; height: 19.5938px;\"\u003eVertical mount (on burner)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 37.6197%; height: 19.5938px;\"\u003e\u003cstrong\u003eDimensions (H×W×D)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.0677%; height: 19.5938px;\"\u003e7 ⅛″ × 5 ¼″ × 3 ⁷⁄₁₆″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 37.6197%; height: 19.5938px;\"\u003e\u003cstrong\u003eInsulation Depth\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.0677%; height: 19.5938px;\"\u003e1 ½″ (38 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 37.6197%; height: 19.5938px;\"\u003e\u003cstrong\u003eCertifications\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.0677%; height: 19.5938px;\"\u003eUL Listed, CSA Certified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 37.6197%; height: 19.5938px;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 59.0677%; height: 19.5938px;\"\u003e5.00 lb (2.27 kg)\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 \u003cspan data-sheets-root=\"1\"\u003eR8182D1079\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp\u003eThe R8182D1079 is part of Honeywell’s R8182 series of combination control relays that integrate burner primary safety and Aquastat temperature regulation in one assembly. It mounts directly on the oil burner and is intended for use in intermittent ignition applications with hydronic heating systems. The unit features dual temperature limits: a fixed high limit for burner cutout and an adjustable low limit with circulator differential for maintaining boiler temperature. With its integrated safety timing, auxiliary ZC\/ZR terminals for zone control, and compatibility with the C554A cadmium sulfide flame detector, the R8182D1079 ensures reliable flame supervision and heating control.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIntegrated Control Design: Combines Protectorelay safety, high-limit, and low-limit\/circulator control in one compact unit.\u003c\/li\u003e\n\u003cli\u003eIntermittent Ignition Compatibility: Specifically designed for oil-fired hydronic systems using intermittent ignition.\u003c\/li\u003e\n\u003cli\u003eDual Temperature Limits: Provides 10°F fixed high limit and adjustable 10–25°F low-limit differential for efficient boiler management.\u003c\/li\u003e\n\u003cli\u003eAutomatic Safety Reset: Includes a 45-second safety timing period with manual reset required after flame failure.\u003c\/li\u003e\n\u003cli\u003eAuxiliary ZC\/ZR Terminals: Allow zone control through an external R845A switching relay.\u003c\/li\u003e\n\u003cli\u003eHigh Pressure Tolerance: Rated for up to 200 psi on immersion wells and 100 psi for direct immersion.\u003c\/li\u003e\n\u003cli\u003eThermal and Electrical Protection: Operates within 0–95% RH non-condensing and up to 250°F at element temperature.\u003c\/li\u003e\n\u003cli\u003eUL and CSA Certified: Approved for safety and reliability in residential and light commercial applications.\u003c\/li\u003e\n\u003cli\u003eConvenient Mounting: Vertical mounting design for direct burner installation with heat-conductive compound included.\u003c\/li\u003e\n\u003cli\u003eLow Power Consumption: Operates at only 9 W, ensuring energy-efficient system control.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe R8182D1079 delivers the reliability and precision required for hydronic heating systems requiring integrated safety and temperature control.\u003c\/p\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":49105081073920,"sku":"R8182D1079","price":1891.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0388\/5331\/2557\/files\/69622-1.jpg?v=1785539674","url":"https:\/\/alotechparts.com\/products\/r8182d1079-honeywell-combination-protectorelay-hydronic-heating-control-120-v","provider":"Alo Tech Solutions","version":"1.0","type":"link"}