The WALLY COMBI S5 - 300 is a high-performance cast iron pellet boiler designed for efficient heating of larger buildings. It offers a nominal output of up to 28.9 kW and efficiency of 89.7%, ensuring economical operation. With an output regulation range of 8.2-28.9 kW, it is suitable for heated spaces of 120-200 m\u00b3. Flue gas temperatures are around 147 \u00b0C, and the recommended chimney draft is 15-25 Pa. The boiler has a maximum working pressure of 4 bar, a heat exchanger volume of 52 liters, and a height including the controller of 1490 mm. Practical dimensions and a high-quality cast iron construction guarantee long service life and reliable operation. An ideal choice for those seeking a robust, powerful, and eco-friendly heat source.<\/p>","protected":false},"excerpt":{"rendered":"
Cast iron automatic pellet boiler with an output of up to 28.9 kW, ideal for efficient heating of larger spaces.<\/p>","protected":false},"featured_media":2232,"template":"","meta":[],"product_brand":[100],"product_cat":[304],"product_tag":[],"class_list":{"0":"post-2235","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-kretz","7":"product_cat-litinove-kotle-peletove","8":"pa_doporuceny-tah-komina-15-25-pa","9":"pa_efektivnost-89-7","10":"pa_hloubka-kotle-936-mm","11":"pa_jmenovity-vykon-ekohrasek-289-kw","12":"pa_objem-vody-52-dm3","13":"pa_prumer-odtoku-vyfuku-147-mm","14":"pa_rozsah-regulace-vykonu-82-289-kw","15":"pa_sirka-kotle-se-zasobnikem-1-260-mm","16":"pa_teplota-spalin-120-200-c","17":"pa_vyska-kourovodu-1-300-mm","18":"pa_vyska-s-ovladacem-1-490-mm","19":"description-off","21":"first","22":"instock","23":"product-type-simple"},"yoast_head":"\n