Now waste water flows uphill!
"The solution with the vacuum system is cheaper, simpler and more hygienic than with condensation water pumps."
"In supermarkets a vacuum system is often a much better solution than a gravitational drain network." Ernst Blatter, Engineering Consultants FRIGO-CONSULTING AG
A cost-effective, long-lasting and technically mature alternative to conventional non-pressure sewer systems.
Trigress Armaturen AG; http://www.trigress-armaturen.ch/
BILFINGER WATER TECHNOLOGIES GMBH; http://www.roevac.de/