{"id":3554,"date":"2020-02-17T09:57:01","date_gmt":"2020-02-17T06:57:01","guid":{"rendered":"https:\/\/gaasiteenused.ee\/product\/bosch-gc7000-24-28c\/"},"modified":"2026-07-03T02:24:11","modified_gmt":"2026-07-02T23:24:11","slug":"bosch-gc7700i-w-24-28c-gas-condensing-combi-boiler","status":"publish","type":"product","link":"https:\/\/gaasiteenused.ee\/en\/bosch-gc7700i-w-24-28c-gas-condensing-combi-boiler\/","title":{"rendered":"Bosch GC7700i W 24\/28C Gas Condensing Combi Boiler"},"content":{"rendered":"

Bosch GC7700i W 24\/28C<\/strong> is a modern gas condensing combi boiler from the Bosch Condens 7700i W series. It is designed for both space heating and instant domestic hot water production without the need for a separate external hot water cylinder.<\/p>\n

The boiler has a nominal heating output of 24 kW and an A energy efficiency class for heating and water heating. Thanks to condensing technology, Bosch GC7700i W 24\/28C uses heat from flue gases more efficiently, helping to reduce gas consumption compared with older non-condensing gas boilers.<\/p>\n

This model is suitable for apartments, private houses and townhouses where a compact wall-mounted solution for heating and hot water is required. Unlike the 15P<\/strong> and 24P<\/strong> versions, the 24\/28C<\/strong> is a combi model and prepares domestic hot water in instant flow mode.<\/p>\n

We provide sales, installation, replacement, connection, setup and maintenance of Bosch gas boilers in Tallinn and Harjumaa. We can also help select the right model, replace an old gas boiler and prepare the system for safe operation.<\/p>\n

Technical Advantages<\/h2>\n
    \n
  • Model: Bosch GC7700i W 24\/28C<\/strong><\/li>\n
  • Series: Bosch Condens 7700i W<\/strong><\/li>\n
  • Type: gas condensing boiler<\/li>\n
  • Version: combi boiler<\/li>\n
  • Application: heating + domestic hot water<\/li>\n
  • Domestic hot water: instant flow mode<\/li>\n
  • Nominal heating output: 24 kW<\/strong><\/li>\n
  • Heating energy efficiency class: A<\/strong><\/li>\n
  • Water heating energy efficiency class: A<\/strong><\/li>\n
  • Domestic hot water load profile: XL<\/strong><\/li>\n
  • Seasonal space heating efficiency: 94%<\/strong><\/li>\n
  • Water heating efficiency: 86%<\/strong><\/li>\n
  • Sound power level: 45 dB<\/strong><\/li>\n
  • Product code: 7736902885<\/strong><\/li>\n
  • Wall-mounted installation<\/li>\n
  • Bosch HMI700 control system<\/li>\n
  • Ready for Bosch K30RF module<\/li>\n
  • Suitable for replacing older gas boilers<\/li>\n<\/ul>\n

    FAQ<\/h2>\n

    What type of boiler is Bosch GC7700i W 24\/28C?<\/strong>
    Bosch GC7700i W 24\/28C is a wall-mounted gas condensing combi boiler for space heating and instant domestic hot water production.<\/p>\n

    Does Bosch GC7700i W 24\/28C produce hot water directly?<\/strong>
    Yes. The 24\/28C is a combi boiler and prepares domestic hot water in instant flow mode without an external cylinder.<\/p>\n

    What is the output of Bosch GC7700i W 24\/28C?<\/strong>
    The nominal heating output is 24 kW.<\/p>\n

    Is Bosch GC7700i W 24\/28C suitable for an apartment?<\/strong>
    Yes, it can be suitable for apartments if the gas connection, flue system, ventilation and installation conditions meet technical and safety requirements.<\/p>\n

    Can Bosch GC7700i W 24\/28C replace an old gas boiler?<\/strong>
    Yes, this model is suitable for replacing older gas boilers and modernizing heating systems.<\/p>\n

    Does Bosch GC7700i W 24\/28C need an external hot water cylinder?<\/strong>
    No. This model prepares domestic hot water directly in instant flow mode.<\/p>\n","protected":false},"excerpt":{"rendered":"

    Bosch GC7700i W 24\/28C<\/strong> is a wall-mounted gas condensing combi boiler for efficient space heating and instant domestic hot water production. It is suitable for apartments, private houses, townhouses and replacing older gas boilers.<\/p>\n","protected":false},"featured_media":3023,"template":"","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"default","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}}},"pwb-brand":[],"product_brand":[],"product_cat":[342,276,274],"product_tag":[],"class_list":["post-3554","product","type-product","status-publish","has-post-thumbnail","product_cat-bosch-gc7700i-w-gas-boilers","product_cat-condensing-gas-boilers","product_cat-gas-boilers","desktop-align-left","tablet-align-left","mobile-align-left","first","instock","shipping-taxable","purchasable","product-type-simple"],"uagb_featured_image_src":{"full":["https:\/\/gaasiteenused.ee\/wp-content\/uploads\/2024\/04\/seinakatel-2.png",600,600,false],"thumbnail":["https:\/\/gaasiteenused.ee\/wp-content\/uploads\/2024\/04\/seinakatel-2-150x150.png",150,150,true],"medium":["https:\/\/gaasiteenused.ee\/wp-content\/uploads\/2024\/04\/seinakatel-2-300x300.png",300,300,true],"medium_large":["https:\/\/gaasiteenused.ee\/wp-content\/uploads\/2024\/04\/seinakatel-2.png",600,600,false],"large":["https:\/\/gaasiteenused.ee\/wp-content\/uploads\/2024\/04\/seinakatel-2.png",600,600,false],"1536x1536":["https:\/\/gaasiteenused.ee\/wp-content\/uploads\/2024\/04\/seinakatel-2.png",600,600,false],"2048x2048":["https:\/\/gaasiteenused.ee\/wp-content\/uploads\/2024\/04\/seinakatel-2.png",600,600,false],"woocommerce_thumbnail":["https:\/\/gaasiteenused.ee\/wp-content\/uploads\/2024\/04\/seinakatel-2-300x300.png",300,300,true],"woocommerce_single":["https:\/\/gaasiteenused.ee\/wp-content\/uploads\/2024\/04\/seinakatel-2.png",600,600,false],"woocommerce_gallery_thumbnail":["https:\/\/gaasiteenused.ee\/wp-content\/uploads\/2024\/04\/seinakatel-2-100x100.png",100,100,true]},"uagb_author_info":{"display_name":"admin","author_link":"https:\/\/gaasiteenused.ee\/en\/author\/"},"uagb_comment_info":0,"uagb_excerpt":"Bosch GC7700i W 24\/28C is a wall-mounted gas condensing combi boiler for efficient space heating and instant domestic hot water production. 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