{"id":9972,"date":"2026-03-19T16:38:45","date_gmt":"2026-03-19T14:38:45","guid":{"rendered":"https:\/\/vestelli-fi.kehityspalvelin.fi\/tuote\/small-treatment-plant-iisi-kivi-with-additional-tank-2\/"},"modified":"2026-07-08T16:06:47","modified_gmt":"2026-07-08T13:06:47","slug":"small-treatment-plant-iisi-kivi-with-additional-tank-2","status":"publish","type":"product","link":"https:\/\/vestelli-fi.kehityspalvelin.fi\/en\/tuote\/small-treatment-plant-iisi-kivi-with-additional-tank-2\/","title":{"rendered":"Small treatment plant IISI KIVI with additional tank"},"content":{"rendered":"<p><span style=\"color: #333333;\">Is your landfill or soil filtration plant clogged? No problem, now you can upgrade your current system affordably at IISI KIVI Remediation Purification Plant! <\/span><br \/><span style=\"color: #333333;\">If you have a landfill or a soil filtration plant with a three-compartment plastic or two-compartment concrete septic tank and the field is clogged, a cost-effective solution for upgrading your wastewater system is a combination of the IISI KIVI renovation treatment plant and the IISI Additional Well. You can forget about the old clogged field and by adding the IISI KIVI Renovation Treatment Plant, you will get a modern small treatment plant at an affordable price and it will take up little space on your plot and you do not have to open up the entire yard. You can drain the purified water directly from the additional well, e.g. into a ditch. The cheapest way to get the IISI KIVI and the IISI Additional Well is as a package delivery. Installation is easy and quick.     <\/span><br \/><span style=\"color: #333333;\">An additional well will be installed after the existing septic tank and IISI KIVI will be installed on top of the additional tank.<\/span><\/p>\n<p><span style=\"color: #333333;\">The delivery of IISI KIVI and IISI Additional Manhole includes a complete IISI KIVI Renovation Treatment Plant and Additional Manhole, as well as 2 penetration seals for the additional manhole for connecting the inlet sewer and discharge sewer, and a T-branch 110\/110. The inlet and outlet connections are opened on site to the required heights with a 140mm box drill. The additional manhole is 2.3 m high.  <\/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<h4><span style=\"color: #333333;\">The combination of the IISI KIVI renovation treatment plant and the IISI Additional Well provides easy and affordable wastewater treatment:<\/span><\/h4>\n<ul>\n<li><span style=\"color: #333333;\">You can easily replace a clogged landfill or soil filter field and never have to build a new field again.<\/span><\/li>\n<li><span style=\"color: #333333;\">very reliable \u2013 \u201cIISI works like a train toilet\u201d, \u201cSimple and easy to maintain\u201d Tekniikan Maailma \/ Rakennusmaailma magazine 11\/2011<\/span><\/li>\n<li><span style=\"color: #333333;\">you can utilize your existing plastic 3-compartment septic tank or concrete septic tanks and sewer pipelines<\/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;\">small space requirement<\/span><\/li>\n<li><span style=\"color: #333333;\">for the efficient treatment of all domestic wastewater from one household (1 \u2013 5 people)<\/span><\/li>\n<li><span style=\"color: #333333;\">reliable and simple purification plant<\/span><\/li>\n<li><span style=\"color: #333333;\">a continuous process in which water flows by gravity through a treatment plant into a discharge sewer<\/span><\/li>\n<li><span style=\"color: #333333;\">fits well in the yard<\/span><\/li>\n<li><span style=\"color: #333333;\">The corrosion-free UV-protected KIVI biofilter is made of high-quality, durable homogeneous HD polyethylene casting.<\/span><\/li>\n<li><span style=\"color: #333333;\">can be installed after a plastic 3-compartment septic tank or a 2-compartment concrete septic tank<\/span><\/li>\n<li><span style=\"color: #333333;\">Thousands of IISI KIVI Renovation Treatment Plants have been delivered for almost 20 years and it is one of the best-selling small treatment plants.<\/span><\/li>\n<li><span style=\"color: #333333;\">IISI KIVI is a Finnish Key Flag product<\/span><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><iframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/-n_4K8AyB_4\" width=\"560\" height=\"315\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\" data-mce-fragment=\"1\"><\/iframe><\/p>\n","protected":false},"excerpt":{"rendered":"<h3><span style=\"color: #333333;\"><strong>The safest Green Rock IISI KIVI  <\/strong><\/span><\/h3>\n<ul>\n<li><span style=\"color: #333333;\">When your soil filtration plant or soil treatment plant has reached its end, you can utilize your existing septic tank and upgrade the system to a treatment plant.<\/span><\/li>\n<li>enhanced phosphorus removal using a phosphorus precipitation chemical pump<\/li>\n<li><span style=\"color: #333333;\">very quick and easy installation<\/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;\">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},"featured_media":9973,"template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[130],"product_tag":[],"class_list":["post-9972","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>Small treatment plant IISI KIVI with additional tank | 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=\"Small treatment plant IISI KIVI with additional tank | Vestelli.fi\" \/>\n<meta property=\"og:description\" content=\"The safest Green Rock IISI KIVI  When your soil filtration plant or soil treatment plant has reached its end, you can utilize your existing septic tank and upgrade the system to a treatment plant. enhanced phosphorus removal using a phosphorus precipitation chemical pump very quick and easy installation for the treatment of all domestic wastewater from one household (1 \u2013 5 people) The most reliable treatment plant on the market a continuous process in which water flows by gravity into the discharge sewer fits well in the yard Corrosion-free UV-protected KIVI biofilter made of high-quality homogeneous HD polyethylene casting very reliable \u2013 \u201cIISI works like a train toilet\u201d, \u201cSimple and easy to maintain\u201d Tekniikan Maailma \/ Rakennusmaailma magazine 11\/2011 affordable domestic Key Flag product\" \/>\n<meta property=\"og:url\" content=\"https:\/\/vestelli-fi.kehityspalvelin.fi\/en\/tuote\/small-treatment-plant-iisi-kivi-with-additional-tank-2\/\" \/>\n<meta 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