{"id":5185,"date":"2026-01-25T09:32:56","date_gmt":"2026-01-25T06:32:56","guid":{"rendered":"https:\/\/www.sammler.gr\/en\/?post_type=product&p=5185"},"modified":"2026-03-06T08:20:24","modified_gmt":"2026-03-06T05:20:24","slug":"hwt-1","status":"publish","type":"product","link":"https:\/\/www.sammler.gr\/en\/product\/oikiaka-proionta\/dexamenes\/seira-hwt\/hwt-1\/","title":{"rendered":"“HWTxxx-1” series"},"content":{"rendered":"

[vc_section full_width=”stretch_row_content”][vc_row full_width=”stretch_row_content_no_spaces”][vc_column][vc_tta_tabs spacing=”4″ alignment=”center” active_section=”1″ el_class=”customtabtop” css=”.vc_custom_1605623057096{background-color: #ffffff !important;}”][vc_tta_section i_position=”right” i_type=”openiconic” i_icon_openiconic=”oi oi-bug” add_icon=”true” title=”OPTIONS” tab_id=”1605622281098-17ad7084-d468cf5b-78e6″ el_class=”customtab”][vc_row_inner][vc_column_inner][vc_custom_heading text=”SERIES HWT-1″ font_container=”tag:h2|font_size:14px|text_align:center|color:%23f1641e” google_fonts=”font_family:Ubuntu%3A300%2C300italic%2Cregular%2Citalic%2C500%2C500italic%2C700%2C700italic|font_style:300%20light%20regular%3A300%3Anormal” el_class=”headtab1″][vc_custom_heading text=”OPTIONS” font_container=”tag:h2|font_size:24px|text_align:center|color:%23959595″ google_fonts=”font_family:Ubuntu%3A300%2C300italic%2Cregular%2Citalic%2C500%2C500italic%2C700%2C700italic|font_style:300%20light%20regular%3A300%3Anormal” el_class=”headtab2″][vc_column_text el_class=”tabtext”][\/vc_column_text][\/vc_column_inner][\/vc_row_inner][vc_row_inner el_class=”bottomthree”][vc_column_inner el_class=”sixphotos” width=”1\/2″ css=”.vc_custom_1605713421890{background-color: #e1e2e4 !important;}”][vc_custom_heading text=”Available with
\n1 heat exchanger<\/strong>” font_container=”tag:h2|font_size:14px|text_align:center|color:%23686868″ google_fonts=”font_family:Ubuntu%3A300%2C300italic%2Cregular%2Citalic%2C500%2C500italic%2C700%2C700italic|font_style:300%20light%20regular%3A300%3Anormal” el_class=”imgtabtitle” css=”.vc_custom_1769253337753{padding-top: 10px !important;}”][vc_single_image image=”3356″ img_size=”medium” alignment=”center”][\/vc_column_inner][vc_column_inner el_class=”sixphotos” width=”1\/2″ css=”.vc_custom_1605713430017{background-color: #e1e2e4 !important;}”][vc_custom_heading text=”Available with
\n2 heat exchangers<\/strong>” font_container=”tag:h2|font_size:14px|text_align:center|color:%23686868″ google_fonts=”font_family:Ubuntu%3A300%2C300italic%2Cregular%2Citalic%2C500%2C500italic%2C700%2C700italic|font_style:300%20light%20regular%3A300%3Anormal” el_class=”imgtabtitle” css=”.vc_custom_1769253350090{padding-top: 10px !important;}”][vc_single_image image=”3357″ img_size=”medium” alignment=”center”][\/vc_column_inner][\/vc_row_inner][vc_row_inner el_class=”bottomthree”][vc_column_inner el_class=”sixphotos” width=”1\/2″ css=”.vc_custom_1605713421890{background-color: #e1e2e4 !important;}”][vc_custom_heading text=”ELECTRIC HEATING
\nELEMENT CONNECTION<\/strong>” font_container=”tag:h2|font_size:14px|text_align:center|color:%23686868″ google_fonts=”font_family:Ubuntu%3A300%2C300italic%2Cregular%2Citalic%2C500%2C500italic%2C700%2C700italic|font_style:300%20light%20regular%3A300%3Anormal” el_class=”imgtabtitle” css=”.vc_custom_1769436150054{padding-top: 10px !important;}”][vc_single_image image=”3358″ img_size=”medium” alignment=”center”][\/vc_column_inner][vc_column_inner el_class=”sixphotos” width=”1\/2″ css=”.vc_custom_1605713430017{background-color: #e1e2e4 !important;}”][vc_custom_heading text=”PLACEMENT OF ELECTRONIC ANODE ROD
\nFOR ADDITIONAL PROTECTION<\/strong>” font_container=”tag:h2|font_size:14px|text_align:center|color:%23686868″ google_fonts=”font_family:Ubuntu%3A300%2C300italic%2Cregular%2Citalic%2C500%2C500italic%2C700%2C700italic|font_style:300%20light%20regular%3A300%3Anormal” el_class=”imgtabtitle” css=”.vc_custom_1769253410050{padding-top: 10px !important;}”][vc_single_image image=”2692″ img_size=”medium” alignment=”center”][\/vc_column_inner][\/vc_row_inner][\/vc_tta_section][vc_tta_section i_position=”right” i_type=”openiconic” i_icon_openiconic=”oi oi-document” add_icon=”true” title=”SPECIFICATIONS” tab_id=”1605632558589-488ac9ff-7bd3cf5b-78e6″ el_class=”customtab”][vc_row_inner][vc_column_inner][vc_custom_heading text=”SERIES HWT-1″ font_container=”tag:h2|font_size:14px|text_align:center|color:%23f1641e” google_fonts=”font_family:Ubuntu%3A300%2C300italic%2Cregular%2Citalic%2C500%2C500italic%2C700%2C700italic|font_style:300%20light%20regular%3A300%3Anormal” el_class=”headtab1″][vc_custom_heading text=”SPECIFICATIONS” font_container=”tag:h2|font_size:24px|text_align:center|color:%23959595″ google_fonts=”font_family:Ubuntu%3A300%2C300italic%2Cregular%2Citalic%2C500%2C500italic%2C700%2C700italic|font_style:300%20light%20regular%3A300%3Anormal” el_class=”headtab2″][vc_column_text el_class=”tabtext”][\/vc_column_text][vc_column_text]<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
<\/th>\n<\/th>\nHWT0160<\/th>\nHWT0200<\/th>\nHWT0300<\/th>\nHWT0500<\/th>\nHWT0800<\/th>\nHWT1000<\/th>\n<\/tr>\n
Energy efficiency<\/td>\n<\/td>\nC<\/td>\nC<\/td>\nC<\/td>\nC<\/td>\nC<\/td>\nC<\/td>\n<\/tr>\n
Internal diameter<\/td>\nmm<\/td>\n480<\/td>\n480<\/td>\n510<\/td>\n650<\/td>\n850<\/td>\n850<\/td>\n<\/tr>\n
External diameter<\/td>\nmm<\/td>\n600<\/td>\n600<\/td>\n630<\/td>\n850<\/td>\n1050<\/td>\n1050<\/td>\n<\/tr>\n
Height<\/td>\nmm<\/td>\n1070<\/td>\n1460<\/td>\n1800<\/td>\n1800<\/td>\n1800<\/td>\n2000<\/td>\n<\/tr>\n
Tank thickness<\/td>\nmm<\/td>\n2,5<\/td>\n2,5<\/td>\n2,5<\/td>\n3<\/td>\n4<\/td>\n4<\/td>\n<\/tr>\n
Upper heat exchanger surface area<\/td>\nm\u00b2<\/td>\n0,55<\/td>\n0,8<\/td>\n1<\/td>\n1,23<\/td>\n1,33<\/td>\n1,99<\/td>\n<\/tr>\n
Lower heat exchanger surface area<\/td>\nm\u00b2<\/td>\n0,8<\/td>\n1<\/td>\n1,55<\/td>\n1,95<\/td>\n2,36<\/td>\n2,99<\/td>\n<\/tr>\n
Upper heat exchanger capacity<\/td>\nL<\/td>\n3,1<\/td>\n5,1<\/td>\n6,4<\/td>\n7,8<\/td>\n8,4<\/td>\n12,7<\/td>\n<\/tr>\n
Lower heat exchanger capacity<\/td>\nL<\/td>\n5,1<\/td>\n6,5<\/td>\n10<\/td>\n12,4<\/td>\n14,9<\/td>\n19,1<\/td>\n<\/tr>\n
Upper heat exchanger connections<\/td>\nInch<\/td>\n1\u201d<\/td>\n1\u201d<\/td>\n1\u201d<\/td>\n1\u201d<\/td>\n1\u201d<\/td>\n1\u201d<\/td>\n<\/tr>\n
Upper exchanger connection<\/td>\nInch<\/td>\n1\u201d<\/td>\n1\u201d<\/td>\n1\u201d<\/td>\n1\u201d<\/td>\n1\u201d<\/td>\n1\u201d<\/td>\n<\/tr>\n
Lower heat exchanger connections<\/td>\nInch<\/td>\n1\u201d<\/td>\n1\u201d<\/td>\n1\u201d<\/td>\n1\u201d<\/td>\n1 \u00bd\u201d<\/td>\n1 \u00bd\u201d<\/td>\n<\/tr>\n
Domestic water inlet<\/td>\nInch<\/td>\n1\u201d<\/td>\n1\u201d<\/td>\n1\u201d<\/td>\n1\u201d<\/td>\n1 \u00bd\u201d<\/td>\n1 \u00bd\u201d<\/td>\n<\/tr>\n
Domestic water outlet<\/td>\nInch<\/td>\n1\u201d<\/td>\n1\u201d<\/td>\n1\u201d<\/td>\n1\u201d<\/td>\n1 \u00bd\u201d<\/td>\n1 \u00bd\u201d<\/td>\n<\/tr>\n
Recirculation connection<\/td>\nInch<\/td>\n1\u201d<\/td>\n1\u201d<\/td>\n1\u201d<\/td>\n1\u201d<\/td>\n1 \u00bd\u201d<\/td>\n1 \u00bd\u201d<\/td>\n<\/tr>\n
Sensor connection<\/td>\nInch<\/td>\n1\/2\u201d<\/td>\n1\/2\u201d<\/td>\n1\/2\u201d<\/td>\n1\/2\u201d<\/td>\n1\/2\u201d<\/td>\n1\/2\u201d<\/td>\n<\/tr>\n
Top flange diameter<\/td>\nmm<\/td>\n140<\/td>\n140<\/td>\n140<\/td>\n193<\/td>\n193<\/td>\n193<\/td>\n<\/tr>\n
Bottom flange diameter<\/td>\nmm<\/td>\n140<\/td>\n140<\/td>\n140<\/td>\n193<\/td>\n193<\/td>\n193<\/td>\n<\/tr>\n
Top flange anode<\/td>\nmm<\/td>\n\u00d822×500<\/td>\n\u00d822×500<\/td>\n\u00d822×500<\/td>\n\u00d832×500<\/td>\n\u00d832×500<\/td>\n\u00d832×500<\/td>\n<\/tr>\n
Bottom flange anode<\/td>\nmm<\/td>\n\u00d822×300<\/td>\n\u00d822×300<\/td>\n\u00d822×500<\/td>\n\u00d832×500<\/td>\n\u00d832×500<\/td>\n\u00d832×500<\/td>\n<\/tr>\n
Connection for electric heater<\/td>\nInch<\/td>\n1 \u00bd\u201d<\/td>\n1 \u00bd\u201d<\/td>\n1 \u00bd\u201d<\/td>\n1 \u00bd\u201d<\/td>\n1 \u00bd\u201d<\/td>\n1 \u00bd\u201d<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][\/vc_tta_section][vc_tta_section i_position=”right” i_type=”openiconic” i_icon_openiconic=”oi oi-yen” add_icon=”true” title=”DIMENSIONS” tab_id=”1605632876040-83bdefc5-4900Dcf5b-78e6″ el_class=”customtab”][vc_row_inner][vc_column_inner][vc_custom_heading text=”SERIES HWT-1″ font_container=”tag:h2|font_size:14px|text_align:center|color:%23f1641e” google_fonts=”font_family:Ubuntu%3A300%2C300italic%2Cregular%2Citalic%2C500%2C500italic%2C700%2C700italic|font_style:300%20light%20regular%3A300%3Anormal” el_class=”headtab1″][vc_custom_heading text=”DIMENSIONS” font_container=”tag:h2|font_size:24px|text_align:center|color:%23959595″ google_fonts=”font_family:Ubuntu%3A300%2C300italic%2Cregular%2Citalic%2C500%2C500italic%2C700%2C700italic|font_style:300%20light%20regular%3A300%3Anormal” el_class=”headtab2″][vc_column_text el_class=”tabtext”][\/vc_column_text][\/vc_column_inner][\/vc_row_inner][vc_row_inner][vc_column_inner][vc_custom_heading text=” HWT <\/strong>” font_container=”tag:h2|font_size:14px|text_align:center|color:#686868″ el_class=”imgtabtitle”][vc_single_image image=”3375″ img_size=”medium” alignment=”center” onclick=”custom_link” img_link_target=”_blank” link=”https:\/\/www.sammler.gr\/wp-content\/uploads\/2020\/12\/DIMENSIONS-HWT_series.pdf”][\/vc_column_inner][\/vc_row_inner][\/vc_tta_section][vc_tta_section i_position=”right” i_type=”openiconic” i_icon_openiconic=”oi oi-wrench” add_icon=”true” title=”RELEVANT DOCUMENTS” tab_id=”1605633000710-7912968c-f1f3rcf5b-78e6″ el_class=”customtab”][vc_row_inner][vc_column_inner][vc_custom_heading text=”SERIES HWT-1″ font_container=”tag:h2|font_size:14px|text_align:center|color:%23f1641e” google_fonts=”font_family:Ubuntu%3A300%2C300italic%2Cregular%2Citalic%2C500%2C500italic%2C700%2C700italic|font_style:300%20light%20regular%3A300%3Anormal” el_class=”headtab1″][vc_custom_heading text=”RELEVANT DOCUMENTS” font_container=”tag:h2|font_size:24px|text_align:center|color:%23959595″ google_fonts=”font_family:Ubuntu%3A300%2C300italic%2Cregular%2Citalic%2C500%2C500italic%2C700%2C700italic|font_style:300%20light%20regular%3A300%3Anormal” el_class=”headtab2″][vc_column_text el_class=”tabtext”][\/vc_column_text][vc_column_text el_class=”documents-smaller”]<\/p>\n

BROCHURES<\/span><\/h2>\n
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    <\/ul><\/div>
    <\/div> <\/div>\n\n
    <\/div>\n <\/div>\n<\/div>\n\n

    INSTRUCTIONS<\/span><\/h2>\n
    \n
    \n \n
    \n
    <\/div>
    <\/div>
      <\/ul><\/div>
      <\/div> <\/div>\n\n
      <\/div>\n <\/div>\n<\/div>\n\n

      TEST REPORTS<\/span><\/h2>\n
      \n
      \n \n
      \n
      <\/div>
      <\/div>
        <\/ul><\/div>
        <\/div> <\/div>\n\n
        <\/div>\n <\/div>\n<\/div>\n\n

        LEGAL DOCUMENTS<\/span><\/h2>\n
        \n
        \n \n
        \n
        <\/div>
        <\/div>
          <\/ul><\/div>
          <\/div> <\/div>\n\n
          <\/div>\n <\/div>\n<\/div>\n\n

          CERTIFICATES<\/span><\/h2>\n
          \n
          \n \n
          \n
          <\/div>
          <\/div>
            <\/ul><\/div>
            <\/div> <\/div>\n\n
            <\/div>\n <\/div>\n<\/div>\n[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][\/vc_tta_section][\/vc_tta_tabs][\/vc_column][\/vc_row][\/vc_section]<\/p>\n","protected":false},"excerpt":{"rendered":"

            Domestic hot water storage tank with 1 or 2 heat exchangers, suitable for connection to various energy sources (solar, boiler, or heat pump). The tank can be equipped with an electric heating element.
            Available in 160, 200, 300, 500, 800, and 1000 liters.
            Internally protected with enamel for complete anti-corrosion protection and long service life, and equipped with high-density thermal insulation.
            The tank has been measured and certified in accordance with European Directives.<\/p>\n","protected":false},"featured_media":4773,"template":"","meta":[],"yoast_head":"\n"HWTxxx-1" series - Sammler<\/title>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\""HWTxxx-1" series - Sammler\" \/>\n<meta property=\"og:description\" content=\"Domestic hot water storage tank with 1 or 2 heat exchangers, suitable for connection to various energy sources (solar, boiler, or heat pump). The tank can be equipped with an electric heating element.Available in 160, 200, 300, 500, 800, and 1000 liters.Internally protected with enamel for complete anti-corrosion protection and long service life, and equipped with high-density thermal insulation.The tank has been measured and certified in accordance with European Directives.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.sammler.gr\/en\/product\/oikiaka-proionta\/dexamenes\/seira-hwt\/hwt-1\/\" \/>\n<meta property=\"og:site_name\" content=\"Sammler\" \/>\n<meta property=\"article:modified_time\" content=\"2026-03-06T05:20:24+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.sammler.gr\/en\/wp-content\/uploads\/2026\/01\/HWT-series-product-sammler-1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1000\" \/>\n\t<meta property=\"og:image:height\" content=\"615\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.sammler.gr\/en\/product\/oikiaka-proionta\/dexamenes\/seira-hwt\/hwt-1\/\",\"url\":\"https:\/\/www.sammler.gr\/en\/product\/oikiaka-proionta\/dexamenes\/seira-hwt\/hwt-1\/\",\"name\":\"\\\"HWTxxx-1\\\" series - Sammler\",\"isPartOf\":{\"@id\":\"https:\/\/www.sammler.gr\/en\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.sammler.gr\/en\/product\/oikiaka-proionta\/dexamenes\/seira-hwt\/hwt-1\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.sammler.gr\/en\/product\/oikiaka-proionta\/dexamenes\/seira-hwt\/hwt-1\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.sammler.gr\/en\/wp-content\/uploads\/2026\/01\/HWT-series-product-sammler-1.jpg\",\"datePublished\":\"2026-01-25T06:32:56+00:00\",\"dateModified\":\"2026-03-06T05:20:24+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/www.sammler.gr\/en\/product\/oikiaka-proionta\/dexamenes\/seira-hwt\/hwt-1\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.sammler.gr\/en\/product\/oikiaka-proionta\/dexamenes\/seira-hwt\/hwt-1\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.sammler.gr\/en\/product\/oikiaka-proionta\/dexamenes\/seira-hwt\/hwt-1\/#primaryimage\",\"url\":\"https:\/\/www.sammler.gr\/en\/wp-content\/uploads\/2026\/01\/HWT-series-product-sammler-1.jpg\",\"contentUrl\":\"https:\/\/www.sammler.gr\/en\/wp-content\/uploads\/2026\/01\/HWT-series-product-sammler-1.jpg\",\"width\":1000,\"height\":615},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.sammler.gr\/en\/product\/oikiaka-proionta\/dexamenes\/seira-hwt\/hwt-1\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.sammler.gr\/en\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Shop\",\"item\":\"https:\/\/www.sammler.gr\/en\/shop\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"“HWTxxx-1” series\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.sammler.gr\/en\/#website\",\"url\":\"https:\/\/www.sammler.gr\/en\/\",\"name\":\"Sammler\",\"description\":\"Solar Thermal Systems\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.sammler.gr\/en\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"en-US\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"\"HWTxxx-1\" series - Sammler","robots":{"index":"noindex","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"og_locale":"en_US","og_type":"article","og_title":"\"HWTxxx-1\" series - Sammler","og_description":"Domestic hot water storage tank with 1 or 2 heat exchangers, suitable for connection to various energy sources (solar, boiler, or heat pump). 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