{"id":10522,"date":"2026-03-19T16:48:57","date_gmt":"2026-03-19T14:48:57","guid":{"rendered":"https:\/\/vestelli-fi.kehityspalvelin.fi\/tuote\/renovation-treatment-plant-iisi-kivi-2\/"},"modified":"2026-07-08T16:11:29","modified_gmt":"2026-07-08T13:11:29","slug":"renovation-treatment-plant-iisi-kivi-2","status":"publish","type":"product","link":"https:\/\/vestelli-fi.kehityspalvelin.fi\/en\/tuote\/renovation-treatment-plant-iisi-kivi-2\/","title":{"rendered":"Renovation treatment plant IISI KIVI"},"content":{"rendered":"<h3><span style=\"color: #333333;\"><strong>The safest Green Rock IISI KIVI  <\/strong><\/span><\/h3>\n<ul>\n<li><span style=\"color: #333333;\">you can utilize existing septic tanks and sewer pipelines that are in good condition<\/span><\/li>\n<li><span style=\"color: #333333;\">very quick and easy installation<\/span><\/li>\n<li><span style=\"color: #333333;\">little need for excavation work<\/span><\/li>\n<li><span style=\"color: #333333;\">for the treatment of all domestic wastewater from one household (1 \u2013 5 people)<\/span><\/li>\n<li><span style=\"color: #333333;\">The most reliable treatment plant on the market<\/span><\/li>\n<li><span style=\"color: #333333;\">a continuous process in which water flows by gravity into the discharge sewer<\/span><\/li>\n<li><span style=\"color: #333333;\">fits well in the yard<\/span><\/li>\n<li><span style=\"color: #333333;\">Corrosion-free UV-protected KIVI biofilter made of high-quality homogeneous HD polyethylene casting<\/span><\/li>\n<li><span style=\"color: #333333;\">requires 3 settling compartments (3-compartment settling tank)<\/span><\/li>\n<li><span style=\"color: #333333;\">Depending on the model of your old septic tank, you can add an IISI partition plate or an IISI additional tank to create an additional compartment and enhance solids separation.<\/span><\/li>\n<li><span style=\"color: #333333;\">very reliable \u2013 <i>\u201cIISI works like a train toilet\u201d, \u201cSimple and easy to maintain\u201d Tekniikan Maailma \/ Rakennusmaailma magazine 11\/2011<\/i><\/span><\/li>\n<li><span style=\"color: #333333;\">affordable domestic Key Flag product<\/span><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<h3><span style=\"color: #333333;\"><strong>You can utilize existing septic tanks \u2013 the most affordable on the market<\/strong><\/span><\/h3>\n<p><span style=\"color: #333333;\">By adding IISI KIVEN to your existing septic tank, you can upgrade your old septic tanks into a modern small treatment plant. In most cases, no excavation is required and installation is very quick. The most economical method of treating all wastewater.  <\/span><\/p>\n<p><span style=\"color: #333333;\"><strong>The most reliable treatment plant<br \/><\/strong> The IISI continuous treatment plant is the most reliable treatment plant on the market. It has one water recirculation pump that periodically circulates water to the KIVEN biofilter, which cleans the wastewater biologically. Solids are precipitated in the existing sedimentation tank. Phosphorus is precipitated chemically. Water flows through the treatment plant by gravity.    <\/span><\/p>\n<p><span style=\"color: #333333;\"><strong>Low maintenance requirement<\/strong><\/span><br \/> <span style=\"color: #333333;\">The need for maintenance is minimal and the IISI treatment plant can withstand long periods of downtime very well and is also well suited for use in leisure properties. It is easy and quick to install and fits into a small area on the plot.<\/span><\/p>\n<p><span style=\"color: #333333;\"><strong>Easy wastewater treatment<\/strong><\/span><\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li><span style=\"color: #333333;\">you can utilize existing septic tanks in good condition<\/span><\/li>\n<li><span style=\"color: #333333;\">requires 3 settling compartments<\/span><\/li>\n<li><span style=\"color: #333333;\">Depending on the model of the old septic tank, you can add an IISI partition plate or <a href=\"\/produkt\/iisi-lisakaivo-kivi-puhdistamoon\/\">an IISI additional septic tank<\/a> to create an additional compartment in the septic tank.<\/span><\/li>\n<li><span style=\"color: #333333;\">little need for excavation work<\/span><\/li>\n<li><span style=\"color: #333333;\">Carefree and effortless to use<\/span><\/li>\n<li><span style=\"color: #333333;\">continuous biological-chemical process<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><iframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/-n_4K8AyB_4\" width=\"560\" height=\"315\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n","protected":false},"featured_media":10523,"template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[130],"product_tag":[],"class_list":["post-10522","product","type-product","status-publish","has-post-thumbnail","product_cat-small-treatment-plants","first","instock","shipping-taxable","purchasable","product-type-simple"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Renovation treatment plant IISI KIVI | Vestelli.fi<\/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=\"Renovation treatment plant IISI KIVI | Vestelli.fi\" \/>\n<meta property=\"og:description\" content=\"You can utilize existing septic tanks \u2013 the most affordable on the market By adding IISI KIVEN to your existing septic tank, you can upgrade your old septic tanks into a modern small treatment plant. In most cases, no excavation is required and installation is very quick. The most economical method of treating all wastewater.  The most reliable treatment plant The IISI continuous treatment plant is the most reliable treatment plant on the market. It has one water recirculation pump that periodically circulates water to the KIVEN biofilter, which cleans the wastewater biologically. Solids are precipitated in the existing sedimentation tank. Phosphorus is precipitated chemically. Water flows through the treatment plant by gravity.   Low maintenance requirement The need for maintenance is minimal and the IISI treatment plant can withstand long periods of downtime very well and is also well suited for use in leisure properties. It is easy and quick to install and fits into a small area on the plot. Easy wastewater treatment  you can utilize existing septic tanks in good condition requires 3 settling compartments Depending on the model of the old septic tank, you can add an IISI partition plate or an IISI additional septic tank to create an additional compartment in the septic tank. little need for excavation work Carefree and effortless to use continuous biological-chemical process\" \/>\n<meta property=\"og:url\" content=\"https:\/\/vestelli-fi.kehityspalvelin.fi\/en\/tuote\/renovation-treatment-plant-iisi-kivi-2\/\" \/>\n<meta property=\"og:site_name\" content=\"Vestelli.fi\" \/>\n<meta property=\"article:modified_time\" content=\"2026-07-08T13:11:29+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/vestelli-fi.kehityspalvelin.fi\/wp-content\/uploads\/2026\/03\/ROCK.png\" \/>\n\t<meta property=\"og:image:width\" content=\"300\" \/>\n\t<meta property=\"og:image:height\" content=\"300\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta 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