Promax Septic Tanks

Why Choose A Promax Septic Tank?

  • Built for New Zealand conditions
     
  • Heavy-duty one-piece ribbed shell resists ground and water pressure
     
  • Supplied with Taylex outlet filter for cleaner effluent distribution and longer field life
     
  • 100 mm inlet and outlet simplify pipework
     
  • Designed by geotechnical specialists, tested to AS/NZS 1546 for domestic septic tanks 
     
  • Lightweight polyethylene means lower cranage, transport, and installation costs
     
  • Trade and account customers
    Extra discounts are available. Contact your Promax representative or use the form below for a tailored quote.
 

Enduro Septic Tanks – North Island Range

  • 1.0 m diameter allows shallower excavation

  • Proven rib profile handles high groundwater sites

  • Capacities from 2,000 L to 5,000 L

  • Supplied with Taylex outlet filter

Enduro Septic Tank 2,000 Ltr

 $2,427.60

Enduro Septic Tank 3,000 Ltr

 $3,110.15

Enduro Septic Tank 4,000 Ltr

 $3,564.90

Enduro Septic Tank 5,000 Ltr

 $4,095.30

 

XPRESS Septic Tanks – South Island Range

  • 1.2 m diameter suits deeper burial and higher water tables.
  • Same heavy-duty ribbed wall for strength with lower cost per litre

  • Capacities from 2,000 L to 5,000 L
  • Supplied with Taylex outlet filter

Enduro Septic Tank 2,000 Ltr

 $2,427.60

Enduro Septic Tank 3,000 Ltr

 $3,110.15

Enduro Septic Tank 4,000 Ltr

 $3,564.90

Enduro Septic Tank 5,000 Ltr

 $4,095.30

 

How to choose the right capacity

Installation and compliance

  • Manufactured in New Zealand from food-grade, UV-stabilised polyethylene

     

  • Designed and tested to AS/NZS 1546 domestic septic tank standard

     

  • Each tank supplied with step-by-step installation guide and lifting lugs

     

  • Nationwide technical support and council documentation