{"id":25115,"date":"2026-09-17T14:35:37","date_gmt":"2026-09-17T12:35:37","guid":{"rendered":"https:\/\/devinera.com\/?post_type=product&#038;p=25115"},"modified":"2026-09-17T14:39:39","modified_gmt":"2026-09-17T12:39:39","slug":"e900i-wifi-thermostat-underfloor-heating","status":"publish","type":"product","link":"https:\/\/devinera.com\/en\/e900i-wifi-termostatas-grindu-sildymui\/","title":{"rendered":"E900i programmable WiFi thermostat for electric underfloor heating"},"content":{"rendered":"<p dir=\"ltr\">The E900i is a programmable WiFi thermostat for electric underfloor heating. It differs from our other E series models in its larger 90 \u00d7 90 mm housing and a separate clock button, which allows you to set the time and holiday mode directly on the device without opening the app.<\/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 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\">Graph in three ways<\/h4>\n<ul dir=\"ltr\">\n<li>5+2 \u2013 weekdays and weekends separately (factory setting).<\/li>\n<li>6+1 \u2013 when only Sunday is free.<\/li>\n<li>7 days \u2013 each day is programmed separately.<\/li>\n<\/ul>\n<p dir=\"ltr\">There are six temperature periods for each day. When you manually change the temperature in program mode, the thermostat will hold it until the next period, then automatically return to the schedule.<\/p>\n<h4 dir=\"ltr\">Control via Smart Life<\/h4>\n<p dir=\"ltr\">When connected to a 2.4 GHz WiFi network, the thermostat can be controlled from anywhere: temperature, schedule, vacation mode. If the internet connection is lost, the schedule and temperature maintenance continue to work - only remote control is unavailable.<\/p>\n<h4 dir=\"ltr\">Savings features<\/h4>\n<ul dir=\"ltr\">\n<li>Open window function \u2013 heating is temporarily turned off for 5-60 minutes.<\/li>\n<li>Vacation mode \u2013 set directly on the device using the clock button.<\/li>\n<li>0.5 \u00b0C accuracy, descaling function, cooling mode.<\/li>\n<li>Child lock and settings memory in case of power failure.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h4 dir=\"ltr\">Installation<\/h4>\n<p dir=\"ltr\">Front part 90 \u00d7 90 mm, protrudes 11 mm above the wall. Mounted in a standard European <a href=\"https:\/\/devinera.com\/en\/thermostat-mounting-box-68x60\/\">68 \u00d7 60 mm mounting box<\/a>.<\/p>\n<p dir=\"ltr\">","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\">Larger 90 \u00d7 90 mm housing, separate clock button and three-way schedule: 5+2, 6+1 or each day separately. Controlled from the device or via the Smart Life app.<\/p>\n<p dir=\"ltr\">Mounted in a standard 68 \u00d7 60 mm flush-mounted box.<\/p>","protected":false},"featured_media":25117,"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-25115","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","onbackorder","taxable","shipping-taxable","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":"","_brand_name":"field_6236d9b657ee7","_woosea_brand":null,"_links":{"self":[{"href":"https:\/\/devinera.com\/en\/wp-json\/wp\/v2\/product\/25115","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=25115"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/devinera.com\/en\/wp-json\/wp\/v2\/media\/25117"}],"wp:attachment":[{"href":"https:\/\/devinera.com\/en\/wp-json\/wp\/v2\/media?parent=25115"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/devinera.com\/en\/wp-json\/wp\/v2\/product_brand?post=25115"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/devinera.com\/en\/wp-json\/wp\/v2\/product_cat?post=25115"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/devinera.com\/en\/wp-json\/wp\/v2\/product_tag?post=25115"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}