{"id":1354,"date":"2026-07-16T03:19:38","date_gmt":"2026-07-16T03:19:38","guid":{"rendered":"https:\/\/twjsmart.com\/product\/standard-button-lcd-hydronic-thermostat-819-a-c-d\/"},"modified":"2026-07-22T08:18:44","modified_gmt":"2026-07-22T08:18:44","slug":"ordinary-button-lcd-hydronic-thermostat-819-a-c-d","status":"publish","type":"product","link":"https:\/\/twjsmart.com\/ar\/product\/ordinary-button-lcd-hydronic-thermostat-819-a-c-d\/","title":{"rendered":"\u062a\u0631\u0645\u0648\u0633\u062a\u0627\u062a \u0647\u064a\u062f\u0631\u0648\u0646\u064a\u0643 LCD \u0628\u0632\u0631 \u0639\u0627\u062f\u064a 819-ACD"},"content":{"rendered":"<p><strong style=\"color: #000000;\">Product Description<\/strong><\/p>\n<p>This series of hydronic thermostats provides precise temperature control, is compatible with various hydronic valves, and is available with two contact options. Three operating modes allow custom preset temperatures for energy saving in different scenarios. The operating interface is extremely simple, making it easy for older adults and children to use. It supports custom startup temperature differential to optimize system operating conditions, and has a built-in dedicated temperature calibration algorithm for accurate temperature measurement and stable, comfortable temperature control.<\/p>\n<p><strong style=\"color: #000000;\">Product Parameters<\/strong><\/p>\n<table style=\"width: 100%; border-collapse: collapse;\">\n<tbody>\n<tr>\n<th style=\"text-align: left; padding: 8px; border: 1px solid #e5e5e5;\">Parameter<\/th>\n<th style=\"text-align: left; padding: 8px; border: 1px solid #e5e5e5;\">Value<\/th>\n<\/tr>\n<tr>\n<td style=\"text-align: left; padding: 8px; border: 1px solid #e5e5e5;\">Rated Load<\/td>\n<td style=\"text-align: left; padding: 8px; border: 1px solid #e5e5e5;\">AC220V\/50Hz 3A<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left; padding: 8px; border: 1px solid #e5e5e5;\">Power Consumption<\/td>\n<td style=\"text-align: left; padding: 8px; border: 1px solid #e5e5e5;\">\u22642W<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left; padding: 8px; border: 1px solid #e5e5e5;\">Temperature Sensor Type<\/td>\n<td style=\"text-align: left; padding: 8px; border: 1px solid #e5e5e5;\">NTC 10K-3950<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left; padding: 8px; border: 1px solid #e5e5e5;\">Temperature Control Range<\/td>\n<td style=\"text-align: left; padding: 8px; border: 1px solid #e5e5e5;\">5\u00b0C~35\u00b0C<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left; padding: 8px; border: 1px solid #e5e5e5;\">Temperature Measurement Accuracy<\/td>\n<td style=\"text-align: left; padding: 8px; border: 1px solid #e5e5e5;\">\u00b11\u00b0C<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left; padding: 8px; border: 1px solid #e5e5e5;\">Resolution<\/td>\n<td style=\"text-align: left; padding: 8px; border: 1px solid #e5e5e5;\">1\u00b0C<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left; padding: 8px; border: 1px solid #e5e5e5;\">Normal Contact Type<\/td>\n<td style=\"text-align: left; padding: 8px; border: 1px solid #e5e5e5;\">Normally Open<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong style=\"color: #000000;\">Model Function Parameters<\/strong><\/p>\n<table style=\"width: 100%; border-collapse: collapse;\">\n<tbody>\n<tr>\n<th style=\"text-align: left; padding: 8px; border: 1px solid #e5e5e5;\">Model<\/th>\n<th style=\"text-align: left; padding: 8px; border: 1px solid #e5e5e5;\">Load<\/th>\n<th style=\"text-align: left; padding: 8px; border: 1px solid #e5e5e5;\">Function<\/th>\n<\/tr>\n<tr>\n<td style=\"text-align: left; padding: 8px; border: 1px solid #e5e5e5;\">819, 815-A<\/td>\n<td style=\"text-align: left; padding: 8px; border: 1px solid #e5e5e5;\">3A<\/td>\n<td style=\"text-align: left; padding: 8px; border: 1px solid #e5e5e5;\">Hydronic Heating + Normally Closed Actuator<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left; padding: 8px; border: 1px solid #e5e5e5;\">819, 815-C<\/td>\n<td style=\"text-align: left; padding: 8px; border: 1px solid #e5e5e5;\">3A<\/td>\n<td style=\"text-align: left; padding: 8px; border: 1px solid #e5e5e5;\">Hydronic Heating + Normally Closed Actuator<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left; padding: 8px; border: 1px solid #e5e5e5;\">819, 815-D<\/td>\n<td style=\"text-align: left; padding: 8px; border: 1px solid #e5e5e5;\">3A<\/td>\n<td style=\"text-align: left; padding: 8px; border: 1px solid #e5e5e5;\">Hydronic Heating + Normally Open Actuator<\/td>\n<\/tr>\n<\/tbody>\n<\/table>","protected":false},"excerpt":{"rendered":"<p>This series of hydronic thermostats provides precise temperature control, is compatible with various hydronic valves, and is available with two contact options. Three operating modes allow custom preset temperatures for energy saving in different scenarios. The operating interface is extremely simple, making it easy for older adults and children to use. It supports custom startup temperature differential to optimize system operating conditions, and has a built-in dedicated temperature calibration algorithm for accurate temperature measurement and stable, comfortable temperature control.<\/p>","protected":false},"featured_media":2324,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[26],"product_tag":[],"class_list":["post-1354","product","type-product","status-publish","has-post-thumbnail","product_cat-underfloor-heating-temperature-controller","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/twjsmart.com\/ar\/wp-json\/wp\/v2\/product\/1354","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/twjsmart.com\/ar\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/twjsmart.com\/ar\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/twjsmart.com\/ar\/wp-json\/wp\/v2\/comments?post=1354"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/twjsmart.com\/ar\/wp-json\/wp\/v2\/media\/2324"}],"wp:attachment":[{"href":"https:\/\/twjsmart.com\/ar\/wp-json\/wp\/v2\/media?parent=1354"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/twjsmart.com\/ar\/wp-json\/wp\/v2\/product_brand?post=1354"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/twjsmart.com\/ar\/wp-json\/wp\/v2\/product_cat?post=1354"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/twjsmart.com\/ar\/wp-json\/wp\/v2\/product_tag?post=1354"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}