Tvertnes.lv

Reliable and durable solutions for your sewage systems

A wide range of quality tanks, septic systems and accessories — delivered and installed across Latvia.

Delivery across Latvia
5-year warranty
Professional installation
Free consultation

Most popular products

SALE -14%

Flow-through biological treatment system RS BIO 6

For 5–6 users · Installation in 1–2 days

€1,190.00

€1,390.00

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SALE -14%

Biological treatment system BioTerra 5

For 4–5 users · Installation in 1–2 days

€1,190.00

€1,390.00

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SALE -10%

Septic tank 3000L

Up to 6 people · Installation in 2 days

€899.00

€999.00

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SALE -13%

1000L water tank

1000L capacity · Delivery in 2–3 days

€329.99

€379.99

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Find out which sewage model suits you best

Enter your household size to find the recommended septic tank volume and model

Recommended model

Learn more about sewage system types and find out which solution suits you best.

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Four steps to a new sewage system

01

Choose a product

Browse categories or use the calculator

02

Request a consultation

Our specialists will help you choose the right solution

03

Delivery and installation

We deliver and install within 7 days of purchase

04

Enjoy the result

With a 5-year warranty and service support

Design and installation

From project to finished system — all in the hands of one partner

Our specialists visit the site, assess soil conditions and groundwater level, prepare a project and carry out the installation. You receive a finished, tested system with a warranty.

Request a consultation

What our customers say

Frequently asked questions

It is recommended to check the system once a year, but this depends on the number of users and the model.

It is recommended to check the system once a year, but this depends on the number of users and the model.

It is recommended to check the system once a year, but this depends on the number of users and the model.

It is recommended to check the system once a year, but this depends on the number of users and the model.

It is recommended to check the system once a year, but this depends on the number of users and the model.

Have questions?

Sign up for a free consultation

Fill out the form – our specialist will contact you and recommend the most effective solution for your needs.

Don't want to wait? Call us.

+371 2866 3340