{"product_id":"rectangular-electric-heater-with-control","title":"Elta Rectangular Electric Heater with Control","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch2\u003eRectangular Electric Heater with Control\u003c\/h2\u003e\n\u003cp\u003eThe EKS rectangular electric duct heater is designed to heat clean supply air in ventilation systems where stable temperature control matters. It is commonly specified as a supply air heater plus a preheater, helping you maintain target air temperatures across commercial and industrial ductwork.\u003c\/p\u003e\n\u003ch3\u003eWhy this heater is specified\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt for ducted ventilation:\u003c\/strong\u003e designed for clean air heating plus preheating duties\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRobust construction:\u003c\/strong\u003e Aluzinc coated steel casing with stainless steel heating element tube (AISI 304)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControl options by model:\u003c\/strong\u003e choose integrated control or external control inputs to suit your BMS or site requirement\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety focused as standard:\u003c\/strong\u003e multiple overheating protection thermostats\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation flexibility:\u003c\/strong\u003e can be installed in most orientations provided the electrical connection box is not facing downward\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePerformance and operating limits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimum duct air velocity:\u003c\/strong\u003e 1.5 m\/s\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum outlet air temperature:\u003c\/strong\u003e 50°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection class:\u003c\/strong\u003e IP44, except EKS type NV which is IP30\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication limits:\u003c\/strong\u003e not suitable for explosive atmospheres or chemically aggressive environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eControl types explained\u003c\/h3\u003e\n\u003cp\u003eEKS heaters are available with different control approaches depending on model. This lets you match the heater to simple on site control, remote setpoint control or external signal control.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEKS:\u003c\/strong\u003e without temperature control, heater power is not regulated\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNV:\u003c\/strong\u003e integrated control with setpoint set by potentiometer on the heater lid\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNI:\u003c\/strong\u003e integrated control with setpoint set by external potentiometer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNIS:\u003c\/strong\u003e integrated control with heater power controlled by external 0 to 10 VDC signal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eESKM:\u003c\/strong\u003e integrated control with heater switched by external PWM signal (ON 6 to 24 VDC, OFF)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eOverheating protection\u003c\/h3\u003e\n\u003cp\u003eTo support safe operation in ducted systems, the heater includes overheating protection thermostats. One thermostat resets automatically, plus a second thermostat uses manual reset for added protection if abnormal conditions occur.\u003c\/p\u003e\n\u003ch3\u003eInstallation notes that matter on site\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrientation:\u003c\/strong\u003e install in any position except with the electrical connection box facing downward\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectrical:\u003c\/strong\u003e connection must be completed by a competent electrician and the heater must be earthed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection grille:\u003c\/strong\u003e where accidental contact with heating elements is possible, a protective grille must be installed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature sensor positioning:\u003c\/strong\u003e to support accurate control, the minimum distance between heater and temperature sensor should be at least the same as the diagonal length of the heater\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow to specify the correct model\u003c\/h3\u003e\n\u003cp\u003eSelection is normally made by confirming duct size first, then choosing power rating, supply option and control type. The model code structure identifies the heater type, control type, width, height, length, power, input voltage plus optional accessories.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0648\/4597\/1631\/files\/download-datasheets-banner.png?v=1760521797\"\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\" style=\"width: 100%;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 20.4379%;\"\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0648\/4597\/1631\/files\/OVERVIEW-VENTMATIKA.pdf?v=1770635952\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0648\/4597\/1631\/files\/pdf-download-icon.png?v=1760521798\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0648\/4151\/5237\/files\/Acoustic_Mat_1.pdf?v=1709633062\" title=\"ODE Starflex Loft Roll (100mm \u0026amp; 200mm)\"\u003e\u003c\/a\u003e\u003ca title=\"Lunaflex Ductwrap Data Sheet\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0648\/4151\/5237\/files\/epd-certificate-glasswool-44_1.pdf?v=1709632546\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0648\/4151\/5237\/files\/ODE_Duct-wrap_Datasheet.pdf?v=1709630634\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 78.1023%;\"\u003e\n\u003cp\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003cstrong data-end=\"4222\" data-start=\"4166\"\u003eTechnical Data, Installation \u0026amp; Maintenance Guide\u003c\/strong\u003e\u003cbr data-end=\"4225\" data-start=\"4222\"\u003eModel coding, control type options, technical data tables, overheating protection details plus full installation and electrical connection guidance for EKS rectangular duct heaters. Click here to download the technical data, installation and maintenance guide.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0648\/4597\/1631\/files\/OVERVIEW-VENTMATIKA.pdf?v=1770635952\"\u003e\u003cstrong\u003eClick here to download the full data, performance and dimension sheet.\u003c\/strong\u003e\u003c\/a\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cbr\u003eLooking to specify or purchase?\u003c\/strong\u003e \u003ca href=\"https:\/\/buyventilation.co.uk\/collections\/heat-recovery-units\"\u003e\u003cstrong\u003eExplore our full range of heat recovery ventilation units\u003c\/strong\u003e\u003c\/a\u003e or contact Buy Ventilation for expert guidance on selecting the right system for your project.\u003c\/p\u003e\n\u003cp\u003e\u003c!-- Sources: :contentReference[oaicite:0]{index=0} --\u003e\u003c\/p\u003e","brand":"BuyVentilation","offers":[{"title":"500x300 Heater 15kW 3Ph c\/w CTRL","offer_id":56319988859266,"sku":null,"price":861.05,"currency_code":"GBP","in_stock":true},{"title":"600x350 Heater 18kW 3Ph c\/w CTRL","offer_id":56462735606146,"sku":null,"price":874.65,"currency_code":"GBP","in_stock":true},{"title":"700x400 Heater 21kW 3Ph c\/w CTRL","offer_id":56462735638914,"sku":null,"price":1004.7,"currency_code":"GBP","in_stock":true},{"title":"800x500 Heater 18kW 3Ph c\/w CTRL","offer_id":56462735671682,"sku":null,"price":947.75,"currency_code":"GBP","in_stock":true},{"title":"800x500 Heater 33kW 3Ph c\/w CTRL","offer_id":56462735704450,"sku":null,"price":1278.4,"currency_code":"GBP","in_stock":true},{"title":"1000x500 Heater 27kW 3Ph c\/w CTRL","offer_id":56462735737218,"sku":null,"price":1286.05,"currency_code":"GBP","in_stock":true},{"title":"1000x500 Heater 42kW 3Ph c\/w CTRL","offer_id":56462735769986,"sku":null,"price":1417.8,"currency_code":"GBP","in_stock":true},{"title":"1000x500 Heater 54kW 3Ph c\/w CTRL","offer_id":56462735802754,"sku":null,"price":1728.9,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0648\/4597\/1631\/files\/rectangular-electric-heater-battery.png?v=1770385524","url":"https:\/\/buyventilation.co.uk\/products\/rectangular-electric-heater-with-control","provider":"Buy Ventilation","version":"1.0","type":"link"}