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3,100L Septic Tank - Polymaster

Regular price $2,525.00
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Delivery available to Zone 1 and selected areas only

3,100 Litre Polymaster Septic Tank – ST3100
Strong, compact, and reliable for off-grid wastewater treatment

Dimensions: 2470L x 1640W x 1700H

The Polymaster 3,100L Septic Tank is a fully certified, Australian-made solution for households that aren’t connected to municipal sewer systems. It’s designed for easy installation, long-term durability, and suits homes with up to five residents. Built tough from industrial-grade polyethylene, it’s pre-assembled and ready to go on delivery.

3,100L Septic Tank - Polymaster feature set 1

Highlights

  • Factory pre-assembled – faster and easier setup on site

  • Certified to AS/NZS 1546.1:2008

  • Made in Australia using high-quality, locally sourced polyethylene

  • Compact, low-profile design reduces excavation and backfill work

  • Ribbed body adds structural strength and resists deformation

  • Built-in lifting lugs for safe placement using crane or excavator

  • Large inspection opening for easy maintenance access

  • Approved for use in VIC, SA, NSW, and QLD

  • Suitable for 1–5 person households (larger homes may require more frequent pump-outs)

  • Optional riser extension available (555mm W × 530mm H)

Specifications

  • Model: ST3100

  • Capacity: 3,100 Litres

  • Dimensions: 2470mm (L) x 1640mm (W) x 1700mm (H)

  • Actual Unit Size: 2450mm (L) x 1640mm (W) x 1665mm (H)

  • Tank Weight: 200 kg

  • Material: Industrial-grade polyethylene

  • Certification: AS/NZS 1546.1:2008

Applications

  • Residential homes without sewer connection

  • New builds or renovations in rural areas

  • Temporary or long-term wastewater treatment setups

  • Small to medium-sized households (1–5 people)

What’s Included

  • 1 x ST3100 Septic Tank (3,100L) – pre-assembled

  • 1 x Large inspection access

  • Built-in lifting lugs for machinery placement

Optional Add-On:

  • 1 x Riser Extension (555mm W x 530mm H)

Delivery Notes

  • Available in Delivery Zones 1 & 2 only

  • Customer must provide suitable lifting equipment (e.g. forklift, crane, or tractor) on site

  • Refer to Delivery & Preparation documents before arrival

Approximate Lead Times

  • VIC: 1–2 weeks

  • SA: 1–2 weeks

  • NSW: 2–4 weeks

  • QLD: 2–4 weeks

Downloads

Polymaster Septic Tank Brochure

Polymaster Septic Tank Installation Guide

Polymaster Septic Tank Drawings

Have Questions? Call Our Experts

Call our friendly team at 1300 930 847 or email us at sales@waternex.com.au for expert advice.

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