Promax Septic Tanks

• 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.

• 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

 $2,427.60

 $3,110.15

 $3,564.90

 $4,095.30

• 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

 $2,427.60

 $3,110.15

 $3,564.90

 $4,095.30

• 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