Promax’s E1 Underground Tanks are the perfect option for the storage and collection of Storm water or Rainwater. Used in subdivisions, household lots and commercial applications.
The E1 storm water system is a modular underground Retention tank fully tested and designed to withstand ground and water pressure at depth. The E1 is engineered by geotechnical experts including Finite element analysis (FEA). E1 Tank is a very simple tank to work with. Large manholes with tamper proof lids, multiple areas for storm water inlet/outlet and allowance for easy linking to other tanks or systems, all combine to make the E1 storm water system your ideal choice.
• Quality Guarantee – In line with today’s focus on Ecologically Sustained Development, Green Building Design Initiatives and 5 star ratings, Promax is committed to supply quality Storm water Retention / Detention Systems. The E1 Range has been tested and complies to the AS/NZS 25661: 1998.
• Total Solution - Promax provides the total solution to your storm water requirements, from working with planners right through to delivering your tank, on-site free of charge anywhere in New Zealand.
• Easy Installation – The beauty of the E1 Tank is that it is extremely easy to work with. Multiple inlet/outlet panels make it a real hit with tradesman and it doesn’t require overly heavy machinery to install it, compared to traditional material - a real benefit in a city.