{"product_id":"circular-electric-heater-with-control","title":"Elta Circular Electric Heater with Control","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch2\u003eCircular Electric Heater with Control\u003c\/h2\u003e\n\u003cp\u003eThe EKA circular electric duct heater is designed to heat fresh air in ventilation systems where accurate temperature control is required. It is built for inline duct installation with an integrated controller option, giving you a neat all in one solution for supply air heating plus preheating in commercial ventilation setups.\u003c\/p\u003e\n\u003ch3\u003eWhy this heater is a strong choice for controlled duct heating\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePurpose built for ventilation:\u003c\/strong\u003e designed to heat clean air in ducted systems for heating plus preheating duties\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated control options:\u003c\/strong\u003e multiple control types depending on model, including onboard setpoint control plus remote control inputs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStable temperature regulation:\u003c\/strong\u003e PID based control with triac switching for smooth, quiet regulation without moving parts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafe operation features:\u003c\/strong\u003e dual overheat protection thermostats fitted as standard\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable materials:\u003c\/strong\u003e Aluzinc coated steel casing with rubber duct seals plus stainless steel heating element tube (AISI 304)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAir tightness focus:\u003c\/strong\u003e rated to Air Tightness Class D to EN 15727\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eControl types explained in plain English\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNV:\u003c\/strong\u003e temperature setpoint potentiometer on the heater lid\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNI:\u003c\/strong\u003e wired remote setpoint knob for temperature control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNIS:\u003c\/strong\u003e external 0 to 10 VDC signal input for control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eESKM:\u003c\/strong\u003e external PWM on off signal input (ON 6 to 24 VDC) for temperature control\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSafety and built in protection\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo overheat thermostats:\u003c\/strong\u003e automatic reset at 50°C plus manual reset at 100°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum outlet temperature:\u003c\/strong\u003e 50°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimum airflow requirement:\u003c\/strong\u003e air velocity through the heater must be at least 1.5 m\/s\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation notes that matter\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting position:\u003c\/strong\u003e horizontal mounting is permitted with the connection box facing upwards or sideways, not downward\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVertical mounting:\u003c\/strong\u003e permitted only where airflow direction is upwards\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndoor use only:\u003c\/strong\u003e intended for internal installation and clean air heating only\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSite suitability:\u003c\/strong\u003e not suitable for explosive or aggressive environments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectrical installation:\u003c\/strong\u003e must be wired by a competent electrician and the heater must be earthed\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eRange overview\u003c\/h3\u003e\n\u003cp\u003eEKA heaters are available across multiple duct diameters with a broad kW range and supply options depending on model. For accurate selection, match duct diameter first, then confirm minimum airflow, supply voltage and required heating power using the technical data tables.\u003c\/p\u003e\n\u003ch3\u003eSelection tip\u003c\/h3\u003e\n\u003cp\u003eStart with the duct diameter, confirm your available power supply, then choose the control type that fits your project. If you are using a remote temperature sensor, the guidance recommends positioning the supply air sensor at a distance of 3 times the heater diameter from the heater.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-description\"\u003e\u003cbr\u003e\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=\"Circular%20Electric%20Heater%20with%20Control\"\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-start=\"3997\" data-end=\"4048\"\u003eProduct Data, Performance \u0026amp; Dimension Sheet\u003c\/strong\u003e\u003cbr data-start=\"4048\" data-end=\"4051\"\u003eTechnical details for EKA circular electric duct heaters including model coding, control type options, installation limits, protection features plus diameter and power tables for correct specification. Click here to download the product data sheet. \u003ca href=\"Circular%20Electric%20Heater%20with%20Control\"\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":"100 DIA Heater 0.9kW 1Ph c\/w CTRL","offer_id":56319846384002,"sku":null,"price":459.85,"currency_code":"GBP","in_stock":true},{"title":"125 DIA Heater 1.2kW 1Ph c\/w CTRL","offer_id":56462134804866,"sku":null,"price":473.45,"currency_code":"GBP","in_stock":true},{"title":"150 DIA Heater 2kW 1Ph c\/w CTRL","offer_id":56462134837634,"sku":null,"price":534.65,"currency_code":"GBP","in_stock":true},{"title":"200 DIA Heater 3kW 1Ph c\/w CTRL","offer_id":56462134870402,"sku":null,"price":647.7,"currency_code":"GBP","in_stock":true},{"title":"250 DIA Heater 6kW 1Ph c\/w CTRL","offer_id":56779110023554,"sku":null,"price":656.2,"currency_code":"GBP","in_stock":true},{"title":"250 DIA Heater 6kW 3Ph c\/w CTRL","offer_id":56462134903170,"sku":null,"price":680.0,"currency_code":"GBP","in_stock":true},{"title":"250 DIA Heater 3kW 1Ph c\/w CTRL","offer_id":56779110056322,"sku":null,"price":647.7,"currency_code":"GBP","in_stock":true},{"title":"315 DIA Heater 12kW 3Ph c\/w CTRL","offer_id":56462134935938,"sku":null,"price":803.25,"currency_code":"GBP","in_stock":true},{"title":"315 DIA Heater 6kW 1Ph c\/w CTRL","offer_id":56779110089090,"sku":null,"price":684.25,"currency_code":"GBP","in_stock":true},{"title":"355 DIA Heater 15kW 3Ph c\/w CTRL","offer_id":56462134968706,"sku":null,"price":1016.6,"currency_code":"GBP","in_stock":true},{"title":"400 DIA Heater 18kW 3Ph c\/w CTRL","offer_id":56462135001474,"sku":null,"price":1126.25,"currency_code":"GBP","in_stock":true},{"title":"500 DIA Heater 21kW 3Ph c\/w CTRL","offer_id":56462135034242,"sku":null,"price":1227.4,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0648\/4597\/1631\/files\/circular-electric-battery-heater.png?v=1770384837","url":"https:\/\/buyventilation.co.uk\/products\/circular-electric-heater-with-control","provider":"Buy Ventilation","version":"1.0","type":"link"}