{"id":25015,"date":"2026-09-08T14:46:24","date_gmt":"2026-09-08T12:46:24","guid":{"rendered":"https:\/\/devinera.com\/?post_type=product&#038;p=25015"},"modified":"2026-09-08T14:53:00","modified_gmt":"2026-09-08T12:53:00","slug":"e550i-wifi-thermostat-underfloor-heating","status":"publish","type":"product","link":"https:\/\/devinera.com\/en\/e550i-wifi-termostatas-grindu-sildymui\/","title":{"rendered":"E550i programmable WiFi thermostat for electric underfloor heating"},"content":{"rendered":"<p dir=\"ltr\">E550i is a programmable thermostat for electric floor heating, controlled both from the device and from your phone via the Smart Life app. The 16 A load allows you to connect a heating system of up to 3000 W, so one thermostat is enough even for a larger room.<\/p>\n<h4 dir=\"ltr\">Which systems are suitable for?<\/h4>\n<ul dir=\"ltr\">\n<li><a href=\"https:\/\/devinera.com\/en\/underfloor-heating-mats\/\">Electric floor heating mats<\/a> \u2013 under the tiles, into the glue.<\/li>\n<li><a href=\"https:\/\/devinera.com\/en\/electric-floor-heating-cables\/\">Electric underfloor heating cables<\/a> \u2013 into a concrete or leveling layer.<\/li>\n<li><a href=\"https:\/\/devinera.com\/en\/infrared-heating-film\/\">Infrared film<\/a> \u2013 after laminate, parquet and vinyl.<\/li>\n<\/ul>\n<p dir=\"ltr\">The total power of the connected system must not exceed 3000 W (16 A). A 16 A circuit breaker is required in the circuit, and a 3 \u00d7 2.5 mm\u00b2 cable is recommended for power supply.<\/p>\n<h4 dir=\"ltr\">Floor sensor and floor protection<\/h4>\n<p dir=\"ltr\">With electric underfloor heating, a floor temperature sensor is essential - without it, the covering is not protected from overheating. The E550i supports three sensor modes:<\/p>\n<ul dir=\"ltr\">\n<li><strong>N1<\/strong> \u2013 indoor air sensor only. Not for use with underfloor heating.<\/li>\n<li><strong>N2<\/strong> \u2013 external floor sensor only. Suitable for bathrooms where the temperature of the floor itself is important.<\/li>\n<li><strong>N3<\/strong> \u2013 the internal sensor controls the room temperature, while the external sensor limits the floor temperature. The safest and most commonly used option.<\/li>\n<\/ul>\n<p dir=\"ltr\">The factory floor temperature limit is 45 \u00b0C, which is suitable for most flooring. If it is exceeded, the relay switches off and an overheat alarm is activated; when the temperature drops to 43 \u00b0C, the heating is automatically resumed. The limit can be changed from 20 to 70 \u00b0C according to the requirements of the flooring manufacturer.<\/p>\n<p dir=\"ltr\">If necessary <a href=\"https:\/\/devinera.com\/en\/heated-floor-temperature-sensor\/\">spare floor temperature sensor<\/a>, it can be purchased separately.<\/p>\n<h4 dir=\"ltr\">Savings features<\/h4>\n<ul dir=\"ltr\">\n<li>Open window function \u2013 when the temperature suddenly drops, the heating is temporarily turned off for 5 to 60 minutes.<\/li>\n<li>Vacation mode \u2013 maintains a background temperature of up to 27\u00b0C for up to 30 days to prevent the house from cooling down completely when you are away.<\/li>\n<li>0.5 \u00b0C accuracy \u2013 the temperature does not fluctuate, the system does not turn on unnecessarily.<\/li>\n<li>Cooling mode \u2013 the same thermostat can be switched to control cooling equipment.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h4 dir=\"ltr\">Control via Smart Life<\/h4>\n<p dir=\"ltr\">Connected to a 2.4 GHz WiFi network, the thermostat can be controlled from anywhere: temperature, schedule, vacation mode and remote locking. Multiple thermostats can be connected to a group and controlled simultaneously - convenient when there are several heated rooms in the house.<\/p>\n<h4 dir=\"ltr\">Installation<\/h4>\n<p dir=\"ltr\">Recessed thermostat, front dimensions 86 \u00d7 86 mm, mounted in a standard European socket <a href=\"https:\/\/devinera.com\/en\/thermostat-mounting-box-68x60\/\">68 \u00d7 60 mm mounting box<\/a>. Recommended height from the floor is about 1.5 m, in a dry room, without direct sunlight. Installation directly in a bathroom or other wet room is not recommended - in this case, the thermostat is placed outside the room, and only the sensor is led into the floor.<\/p>","protected":false},"excerpt":{"rendered":"<p dir=\"ltr\">Programmable WiFi thermostat for electric underfloor heating with 16 A load - suitable for mats, cables and infrared film up to 3000 W.<\/p>\n<p dir=\"ltr\">Weekly schedule with 6 time periods per day, open window function, holiday mode for up to 30 days. Controlled via the Smart Life app or directly from the device.<\/p>\n<p dir=\"ltr\">Mounted in a standard 68 \u00d7 60 mm flush-mounted box. Floor temperature sensor included.<\/p>","protected":false},"featured_media":25018,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_members_access_role":[],"_members_access_error":""},"product_brand":[174],"product_cat":[185,71,48],"product_tag":[84],"class_list":["post-25015","product","type-product","status-publish","has-post-thumbnail","product_brand-devinera","product_cat-grindinio-sildymo-termostatai","product_cat-programuojami-wifi-termostatai","product_cat-termostatai-elektra-sildomoms-grindims","product_tag-kaina24","first","outofstock","taxable","shipping-taxable","purchasable","product-type-simple"],"acf":[],"_wp_attached_file":null,"_wcpdf_invoice_settings":null,"_wcpdf_invoice_date":null,"_wcpdf_invoice_date_formatted":null,"_wcpdf_invoice_number":null,"_wcpdf_invoice_number_data":null,"_bewpi_invoice_pdf_path":null,"wcpoa_attachment_url":null,"_wcpdf_invoice_creation_trigger":null,"wcpdf_order_locale":null,"_wcpdf_receipt_settings":null,"rank_math_primary_product_brand":"174","wcpdf_document_link":null,"product_brands":null,"featured_brand_title":null,"_featured_brand_title":null,"brand_name":"DEVINERA","_brand_name":"field_6236d9b657ee7","_woosea_brand":null,"_links":{"self":[{"href":"https:\/\/devinera.com\/en\/wp-json\/wp\/v2\/product\/25015","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/devinera.com\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/devinera.com\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/devinera.com\/en\/wp-json\/wp\/v2\/comments?post=25015"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/devinera.com\/en\/wp-json\/wp\/v2\/media\/25018"}],"wp:attachment":[{"href":"https:\/\/devinera.com\/en\/wp-json\/wp\/v2\/media?parent=25015"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/devinera.com\/en\/wp-json\/wp\/v2\/product_brand?post=25015"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/devinera.com\/en\/wp-json\/wp\/v2\/product_cat?post=25015"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/devinera.com\/en\/wp-json\/wp\/v2\/product_tag?post=25015"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}