The RELN 3700L Septic Tank Base Only is a heavy-duty onsite wastewater treatment solution designed for residential, rural, and commercial applications requiring reliable sewage management. This undrilled base-only configuration offers maximum installation flexibility, allowing licensed installers to customise inlet and outlet positions...
The RELN 3700L Septic Tank Base Only is a heavy-duty onsite wastewater treatment solution designed for residential, rural, and commercial applications requiring reliable sewage management. This undrilled base-only configuration offers maximum installation flexibility, allowing licensed installers to customise inlet and outlet positions to suit site requirements.
Manufactured for harsh Australian conditions, the tank features RELN’s unique stepped rib design for greater structural strength and a reinforced base ring to help prevent crushing under load. Lightweight polyethylene construction allows for easier transport and installation while maintaining long-term durability and dependable wastewater performance.
A practical septic tank option for installations requiring custom plumbing configurations and dependable long-term wastewater performance. Lightweight, durable, and engineered for Australian conditions, making installation easier for plumbers, wastewater installers, and rural contractors.
► Stock won’t last — get yours now at Industrial Shed!
Confirm delivery costs before you order.
Send us your delivery details. Our team will email you a confirmed freight price.
No payment required. A freight request does not reserve stock, place an order or change your cart.
Delivery across Australia, with tracking sent after dispatch. Ordering a large or heavy item? Ask our team to confirm freight costs and delivery arrangements before you buy.
Delivery information →Pay through our secure checkout with the card and express payment options available for your order. Review your items, delivery charges and total before confirming payment.
Need help after your purchase? Contact our Somerville team with your order number. We can help with product issues and explain your return options, including conditions and exclusions.
Returns and support →The RELN 3700L Septic Tank Base Only is a heavy-duty onsite wastewater treatment solution designed for residential, rural, and commercial applications requiring reliable sewage management. This undrilled base-only configuration offers maximum installation flexibility, allowing licensed installers to customise inlet and outlet positions to suit site requirements.
Manufactured for harsh Australian conditions, the tank features RELN’s unique stepped rib design for greater structural strength and a reinforced base ring to help prevent crushing under load. Lightweight polyethylene construction allows for easier transport and installation while maintaining long-term durability and dependable wastewater performance.
A practical septic tank option for installations requiring custom plumbing configurations and dependable long-term wastewater performance. Lightweight, durable, and engineered for Australian conditions, making installation easier for plumbers, wastewater installers, and rural contractors.
► Stock won’t last — get yours now at Industrial Shed!
We deliver across Australia. Freight costs depend on the item's size, weight and delivery address. Use the freight form above to request a price for this product.
Local delivery is available on the Mornington Peninsula. You can also collect from Factory 1/30 Simcock Street, Somerville VIC 3912. Wait for your collection confirmation before coming in.
Tracking details are sent after dispatch. For delivery timing, access requirements or help with a bulky item, call 03 5978 0078.
Contact us with your order number and the reason for the return. We will confirm the next steps before you send anything back.
The returns policy allows 14 days from delivery for eligible unused items in their original condition and packaging. Special orders and custom products are excluded from change-of-mind returns. Other exclusions may apply.
Send photos and a description of the problem to supportHQ@industrialshed.net.au, or call 03 5978 0078.
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