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Rainwater storage tank Ecoline Slim 2850l

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5,043.00 PLN 15%

4,286.55 PLN tax incl

3,485.00 PLN tax excl

The lowest price of this product in the last 30 days before the discount was 4,336.98 PLN gross

sale offer ends in just

Catalog number: ELSL2850

Capacity:

Delivery from 688.80 PLN

Delivery

Delivery methods	Name	Time of delivery	Price
	Kurier ( przelew na konto)	Czas dostawy od 2-4 dni	Free!
	Indywidualna wycena dostawy - Spedycja	Please confirm your order - delivery costs will be emailed to you as a separate proforma invoice. Shipping quote for large-volume products. Please be patient for a while.	individual valuation

Delivery time 7-14 days

Ask about the product

Underground rainwater storage tank
New flat form
Capacity from 2850 l to 6500 l

Download PDF

Product compliance details: Manufacturer responsible for the product

Responsibility for the Product

Manufacturer MPI Group Sp. z o.o. Magazynowa 5 62-070 Zakrzewo Poland biuro@mpi.com.pl

MPI Group Limited Liability Company is a company that has been in business for more than 15 years, offering comprehensive solutions in the selection, sales, commissioning and service of environmental equipment, including rainwater management systems, tanks, water systems and filtration. The company combines manufacturing, integration and distribution activities, providing equipment for both individual and institutional customers - hospitals, schools, health centres, hotels. MPI's products are individually designed, tailored to the specific application.

MPI ensures that the products offered are certified to European standards and CE marked. The company has positive opinions of the Institute of Environmental Protection, NIZP (formerly PZH), has a technical approval of the Building Research Institute and a National Technical Assessment, which confirms that the equipment meets building and technical standards in force in Poland.

Ecoline Slim underground rainwater storage tank

The Ecoline Slim tanks represent a new generation of low profile (flat) underground tanks. The underground rainwater tank is designed for collecting rainwater and sewage. It is used, for example, for private developments in domestic gardens. The new construction is characterised by a lower height and weight, which makes transportation and installation considerably easier, even in the case of high groundwater. The low profile reduces the depth of excavation and thus cuts costs.

The Ecoline Slim rainwater tank is made from high-density polyethylene. The tank is made using the rotational formatting method. This eliminates joints and welds. This is important because they can create stresses that weaken the structure. As a result, the Ecoline system features a more durable structure and higher tightness.The lid and superstructure are included.

The Ecoline Slim tank can be matched with:

Installation instructions

It is possible to base the tanks in unfavourable conditions. Ecoline Slim is suitable for soils with unfavourable ground-water conditions. These include, for example, high groundwater levels and impermeable - heavy (clay) soils.

Use of backfill during installation:

From 50 cm ground cover - backfill with lean concrete B-10 (20 cm layer),
In case of installation in soils with periodically elevated ground water level, special installation conditions should be applied - see instructions for details.

For more details on installation, please refer to the installation instructions, which can be found in the download area.

Advantages of the Ecoline Slim underground tank:

Monolithically manufactured without seams or welds,
10-year warranty on tank tightness,
If the tank is to be founded at a depth of more than 50 cm (from the vault), then 20 cm of skim concrete backfilling is required.
Possibility of partial foundation in ground water, see instructions for details.
Can be founded in ground which is difficult to permeate; if the settling tank is installed in clay or silty ground, the tank should be protected with lean concrete.
Low profile,
3 DN 100 connections (other dimensions and locations on request)

Dimensions of tank

Volume	Manhole diameter	Inlet diameter	Outlet diameter	Outlet height*	Total height with extension H = 560 mm	Length	Width	Weight
[l]	[mm]	[mm]	[mm]	[mm]	[mm]	[mm]	[mm]	[kg]
2850	600	110	110	1000	1610	2500	1220	110
3500				1000	1610	3100	1220	140
4500				1060	1660	2460	1900	-
5500				1200	1505	2460	2270	-
6500				1200	1505	2660	2440	-

*Measured from the lowest point of the tank to the bottom of the discharge pipe

Instrukcja montażu

Ecoline II tank installation instructions

KK Ecoline Slim

Data sheet for Ecoline Slim tank

This short guide will help you choose the right capacity for your underground rainwater storage tank - without difficult formulas. We will show you how to estimate your needs, count the amount of water from your roof, select the capacity and plan a simple garden installation.

Step 1: Determine what you will use the rainwater for.

List the uses: watering the garden, flushing toilets, laundry, washing the car, housework. This will allow you to estimate the real need for water in a typical week.

Garden watering - take a guideline of 20-25 l/m² per month per season.
Toilet flushing - approximately 35-50 l/person/day.
Laundry - approx. 15-20 l/person/day.

It is advisable to select a tank for 2-3 weeks of typical use - in practice there is no point in storing 'for the whole year'.

Step 2: How much water you collect from the roof (no complicated formulas)

In simple terms, assume: annual rainfall × roof area × runoff coefficient. For most roofs, you can assume a coefficient of around 0.9 (depending on the roofing and the layout of the gutters).

Brief example: calculation of possible rainwater yield

Roof 120 m², annual rainfall ~600mm (approx. 600 l/m²). Estimate: 120 × 600 × 0.8 ≈ 57,600 l/year. This figure helps to select the capacity for a period without rain. And a period without rain can last for 3 weeks. Therefore, you must divide the result by 21 days. That is: (57600 l /365 days)*21 days = 3314 l, the result according to the estimation should be taken as a minimum. Therefore then we choose 4000l , 5000l, 6000l tanks - because of how we will use the rainwater.

Step 3: Selecting the tank capacity

It is most practical to select a tank that will store a supply of water for 2-3 weeks of your needs.

Schemat obliczania pojemności zbiornika na deszczówkę – opad roczny × powierzchnia dachu × współczynnik spływu
How to calculate capacity: annual rainfall × roof area × runoff coefficient ≈ annual amount of rainwater to be collected.

2000-3000 l - small garden, 1-2 people.
4000-6000 l - family of 3-4 people + garden 200-300 m².
8000-10 000 l - larger garden, intensive watering. 300 m² - more , and with automatic watering.

But you will do this more precisely using the selection calculator below:

If you prefer, open the calculator in a new tab: Tank selection calculator. If you have any problems, please contact our customer service.

Step 4: Tank selection - material

In detached houses, underground rainwater tanks are the best choice - they do not take up space in the garden, provide stable temperatures, no water freezing and allow larger capacities without affecting aesthetics.

The best material is PE, HDPE, MDPE plastic - it is lightweight, corrosion resistant, easier to install and above all airtight for many years .
It is worth paying attention to water and ground conditions. If the ground water level is high or the soil is clayey, flat tanks such as the F line, Bolt, Eco line Slim, etc., are the best choice.
On the other hand, if the conditions are normal, any solution can be used. If you have any problems, please contact our customer service.

Step 5: Simple installation in the garden

The simplest arrangement: gully filter in front of the tank or basket filter, underground tank, floating intake, automatic pump and point of use (tap). This makes watering convenient and economical.

Podlewanie ogrodu deszczówką ze zbiornika podziemnego – przykład zastosowania w domu jednorodzinnym

Summary:

Estimate the weekly consumption (garden + house).
Calculate the roof potential (rainfall × area × ~0.9) and divide by 365 days and multiply by 21 days ( 2-3 weeks of drought).
Select an underground storage tank taking into account the yield (calculated from the roof area) and contrast it with the consumption e.g.: water in the garden. Select capacity
Add a filter, pump and collection point, or choose an off-the-shelf solution: Rainwater systems for the garden

FAQ: How to choose a rainwater storage tank

What capacity to start with?

For example: family of 3-4 people + garden of 80-150 m² → 4000-6000 l usually works well. Larger garden / intensive watering → 8000-10 000 l. Verify with the calculator above.

Is it possible to supply toilets with rainwater?

Yes - using a suitable system (rainwater control unit/automatic switchover) and filtration.

What about excess water?

Plan an overflow to an infiltration or rainwater drain in accordance with local regulations.

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Nazwa	Capacity	Unit price
Rainwater storage tank Ecoline Slim	2850l	~~5,043.00 PLN~~ – 15% 4,286.55 PLN Brutto 3,485.00 PLN Netto
Rainwater storage tank Ecoline Slim	3500l	~~5,351.00 PLN~~ – 15% 4,548.35 PLN Brutto 3,697.85 PLN Netto
Rainwater storage tank Ecoline Slim	4500l	~~6,089.00 PLN~~ – 15% 5,175.65 PLN Brutto 4,207.85 PLN Netto
Rainwater storage tank Ecoline Slim	5500l	~~6,691.00 PLN~~ – 15% 5,687.35 PLN Brutto 4,623.86 PLN Netto
Rainwater storage tank Ecoline Slim	6500l	~~7,196.00 PLN~~ – 15% 6,116.60 PLN Brutto 4,972.85 PLN Netto