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The Whale Grey IC Auto Waste System 12V is a pre-wired automatic grey waste management kit designed to evacuate grey water from showers, sinks and other drains without the need for a bulky waste tank or manual switching. It uses intelligent control technology to detect waste levels and automatically operate the pump, making it a “fit-and-forget” solution for caravans, motorhomes, RVs and boats.
Automatic Intelligent Control: Built-in controller senses when waste water needs pumping and activates the system — no manual switches required.
Pre-wired Plug & Play: Supplied as a ready-to-install unit with wiring and components pre-assembled for straightforward setup.
Ideal Space-Saving Solution: Eliminates the need for a dedicated grey waste tank while still handling waste from multiple drains.
Fast & Reliable Drainage: High-capacity pump capable of processing up to ~19 L per minute.
Soft Start/Stop: Protects pump longevity by reducing stress during operation.
Self-Priming & Dry-Run Capable: Can self-prime and continue operation even if briefly running dry.
Robust Build: Fully potted electronics and marine-grade materials protect against water ingress and harsh environments.
Model: Grey IC Auto Waste System (12V DC)
Voltage: 12 V DC operating range (nominal 10–13.6 V)
Pump Flow Rate: ~19 L/min (5 US gal/min) at 1 m head
Maximum Head & Suction Lift: ~4 m combined
Maximum Recommended Head: ~3 m
Current Protection: ~10 A fuse recommended
Hose Connections: Accepts 19 mm (¾″) and 25 mm (1″) hose sizes
Weight: ~1.6 kg (approx)
Fully Automatic Control: Two-way manifold IC senses water need and switches the pump accordingly.
Certifications: CE and ISO8846 marine safety certified
It is important to ensure that a vented anti-syphon loop is incorporated in the system.
| Flow Rate 1 Metre Head | 17.5 LPM (4.6 US Gallons), 1038 LPH (270 US Gallons) |
| Maximum Head and Lift | 4 Metres |
| Maximum Recommended Head | 3 Metres |
| Brand | Whale |
| Voltage Description | 12V DC |
| Model | WM8284 |
| Height Description | 117mm |
| Width | 198mm |
| Depth | 102mm (4") |
| Length | 280mm |
| Fuse | 10A |
| Flow Rate Description | 19 LPM (5 US Gallons), 1140 LPH (300 US Gallons) |
| Approvals | ISO8846, IP45, CE Certified |
| Consumption | 7.5A with 19mm Hose, 8A with 25mm Hose |
| Connections Description | 19mm (3/4") / 25mm (1") |
| Minimum Cable Spec | 1.5mm² |
| Country of Origin | United Kingdom |
✅ Complete Whale Grey IC Auto Waste System 12V (pump + manifold control + wiring)
Hoses, anti-siphon loops and additional fittings not included.
✔ Automatic Operation: Intelligent sensing removes the need for manual pump control.
✔ High Capacity: Capable of draining water quickly for showers, sinks or combined drains.
✔ Easy Installation: Pre-wired unit reduces installation time and complexity.
✔ Low Maintenance: No filters or complex mechanisms to clog, reducing upkeep.
✔ Space-Efficient: Removes dependence on traditional waste tanks, ideal for compact builds.
Caravan and motorhome shower and sink waste management
Boat and marine grey water systems where space or tank usage is restricted
RV and campervan conversions needing automatic waste removal solutions
Users who prefer “set-and-forget” plumbing systems
Position the Grey IC manifold high enough to sense waste levels from connected drains.
Incorporate a vented anti-siphon loop in the discharge line to ensure proper drainage.
Ensure wiring is protected and fused appropriately to match the 12 V system
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