Rangemaster Mid Duty 750 Waste Disposal Unit - Grey - Black
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Product Information
Full details
The Rangemaster Mid Duty 750 is an ideal solution for homeowners looking to improve kitchen hygiene and reduce landfill waste through efficient on-site food processing. By grinding scraps into fine particles, it prevents pipe blockages and maintains a cleaner sink environment; however, users should be aware that it requires a dedicated electrical connection and must be kept clear of fibrous or non-food materials to function optimally.
All features
| Colour | Grey |
|---|---|
| Accent Colour | Black |
| Model Part Number | WDU750/-DS |
| Brand | Rangemaster |
Extended Product Information
FAQs
Can I put coffee grounds in the disposal?
Yes, small amounts of coffee grounds are generally acceptable, though it is best to flush them with plenty of cold water.
Does the unit require professional installation?
Because the unit requires a 220/240v mains electrical connection, we recommend hiring a qualified electrician to ensure safety and compliance.
What is the purpose of the Bio Shield?
Bio Shield is an antimicrobial coating inside the unit that helps prevent the buildup of odor-causing bacteria.
Is this model compatible with all sink types?
It is designed for standard kitchen sinks, but you should verify your sink's drain diameter and under-sink clearance before purchase.
What should I never put in the waste disposal?
Avoid fibrous vegetables, large bones, grease, oil, plastic, metal, or glass as these can damage the motor or cause plumbing clogs.
How do I clean the unit?
The unit is largely self-cleaning, but you can periodically grind small ice cubes or citrus peels to help scrub the grinding chamber.
Troubleshooting
Unit will not turn on
Check if the overload protector has tripped or ensure the electrical connection to the 220/240v mains is secure.
Unit is making an unusual grinding noise
Turn off the unit and check the chamber for foreign objects like silverware or plastic which may be caught in the grinding mechanism.
Slow drainage from the sink
Ensure that the food waste has been properly shredded and flush the system with cold water to clear residual particles from the pipe.
Pros and Cons
Pros
- Durable build with a lifetime corrosion guarantee
- Antimicrobial protection reduces sink odors
- Quiet operation thanks to specialized sound shell design
- Efficient, high-speed permanent magnet motor
- Compact form factor fits neatly under standard kitchen sinks
Cons
- Requires professional electrical installation for 220/240v mains
- Not suitable for heavy fibrous materials like celery or corn husks
- Needs a dedicated space under the sink cabinet
Setup, Compatibility & Care
This unit is designed for standard kitchen sink installations and requires a 220/240v mains connection. Before installing, ensure your sink flange matches the unit's mounting system. To maintain the unit, avoid putting harsh chemicals or non-food items (like glass, metal, or plastic) into the disposal, as these can damage the grinding elements. Regularly run cold water for several seconds before and after using the unit to ensure all particles are flushed completely through your plumbing system.