Description
- Description
Grey Waste Tank - 8 Liter - 2.1 Gallons - 1 Sensor
This tank has a unique ‘triple seal’ lid that isolates electronics from the harsh grey waste environment for advanced durability.
Features:
- Integrated sensors for automatic pump control; a solid-state switch protected against water ingress
- Easy wiring - connect any 12V or 24V DC pump system (up to 20 amps with no relay required)
- Ports shaped for drilling accuracy (8-liter and 20-liter tanks only)
- Double switch models - the second sensor can be wired to a high-level alarm or second pump
- Pumps can be top- or side-mounted on a 20-liter tank
Specifications:
- Capacity: 8 liters (2.1 gallons)
- No. of Sensors: 1
- Electrical Connections: Tinned wire ends
- Inlet Hose Connections: 19mm (¾") x 2, 25mm (1") x 3, 38mm (1½") x 3
- Outlet Hose Connections: 19mm (¾") x 1, 25mm (1") x 1
- Materials: Tank: MDPE, Seals: EPDM/Neoprene, Monprene®, Lid: Glass-filled Polypropylene, ABS, Polyurethane
- Service Kits (Lid & Sensor Array): AK1005
Quick Guide (pdf)
Refund Policy
Return Policy – Marine Tech Supplies
Effective Date: January 9, 2026
At Marine Tech Supplies, we want you to be satisfied with your purchase. Please review our return policy below.
-
Return Window
All return requests must be made within 14 days of the delivery date.
-
Return Eligibility
To be eligible for a return:
-
Item must be unused and in original condition
-
Item must be in original packaging
-
All accessories, manuals, and parts must be included
-
Proof of purchase is required
Items that are damaged due to misuse, installation error, or negligence are not eligible for return.
-
Non-Returnable Items
The following items cannot be returned:
-
Special order or custom products
-
Clearance or final sale items
-
Installed or used items
-
Electrical components once opened
-
Items returned without approval
-
Return Authorization (RMA Required)
All returns require a Return Authorization (RMA).
Returns sent without approval will be rejected.
To request an RMA, contact via About section
-
Return Shipping
-
Customer is responsible for return shipping costs unless the error was ours
-
Items must be shipped with tracking and insurance
-
We are not responsible for lost or damaged return shipments
-
Restocking Fee
A 15% restocking fee may apply to all approved returns.
Shipping charges are non-refundable.
-
Refund Process
-
Refunds are issued after inspection and approval
-
Refunds are processed back to the original payment method
-
Allow 5–10 business days for refunds to appear after approval
-
Damaged or Incorrect Items
If your item arrives damaged or incorrect:
-
Report within 48 hours of delivery
-
Provide photos and order details
-
We will arrange a replacement or refund at no cost
-
Refused Deliveries
Refused shipments are treated as returns and may be subject to:
-
Return shipping fees
-
Original shipping fees
-
Restocking fee
-
Chargebacks
Initiating a chargeback without contacting us first may result in denial of future service.
-
Policy Updates
Marine Tech Supplies reserves the right to update this policy at any time without notice.
