InSinkErator
InSinkErator Evolution 55ss Garbage Disposal
Best quiet performance for discerning homeowners seeking reliability.
The InSinkErator Evolution 55ss is a 1-HP garbage disposal designed for continuous feed operation. It features a 4-stage grinding system and built-in noise insulation for quieter performance. This model is septic safe, making it suitable for various plumbing systems. It comes non-corded, requiring a hardwired electrical connection. The disposal is designed for durability and efficient waste management in residential kitchens.
$349.00
More Evolution Series Options
Owner Satisfaction
4.6
/ 5
Category Rank
21
/ 109
#21 in Garbage Disposals
Price vs Category Average
+89%
Above average
Horsepower
1
/ HP
Who it's for
- Homeowners seeking a peaceful kitchen environment
- Busy families dealing with diverse food waste daily
- Consumers prioritizing longevity and minimal appliance maintenance
Who should skip it
- Shoppers on a tight budget for kitchen upgrades
- DIY novices or those uncomfortable with plumbing tasks
- Large households generating excessive, heavy-duty food waste
Performance breakdown
Grinding efficiency
The four-stage system pulverizes tough food scraps with impressive consistency.
Noise reduction
Integrated insulation keeps kitchen conversations audible during operation.
Motor power
One full horsepower handles heavy-duty loads without breaking a sweat.
Installation complexity
Hardwired electrical requirements demand a bit more effort than plug-in models.
Septic compatibility
Engineered to process waste safely for sensitive septic plumbing systems.
Operational flow
Continuous feed design allows for seamless, uninterrupted waste disposal.
Key Specs
Horsepower
1 HP
Grind Stages
4-stage
Feed Type
Continuous feed
Motor Type
Not specified
Noise Reduction Feature
Noise Insulation
Septic Safe
Yes
Dishwasher Drain Connection
Not specified
Grind Chamber Material
Not specified
Features
- Advanced 4-stage grinding system
- Built-in noise insulation for quieter operation
- Septic safe for versatile installation
- Continuous feed operation
- Durable construction
What customers say
Customers consistently praise the InSinkErator Evolution 55ss for its remarkably quiet operation, a significant upgrade from older models. Many highlight its powerful grinding capabilities, effectively handling various food waste without issues. Users frequently commend its robust build and reliable performance, suggesting a durable and long lasting appliance. The overall consensus points to a premium experience, justifying its position as a top choice for those seeking a high performing and unobtrusive kitchen essential.
Know before you buy
No, this model is non-corded and requires a hardwired electrical connection. You will need to ensure your kitchen setup supports a direct wire installation.
Yes, the Evolution 55ss is designed to be septic safe. Its 4-stage grinding system breaks down food waste into fine particles, which helps prevent clogs and is generally compatible with properly maintained septic tanks.
Continuous feed means you can add food waste into the disposal while it is running. You simply turn the unit on, feed the scraps in, and let it process them until the chamber is clear.
Yes, it features built-in noise insulation designed to dampen the sound of the grinding process. While no disposal is completely silent, this insulation significantly reduces the typical mechanical noise associated with high-horsepower units.
A 1-HP motor is quite powerful for residential use and is well-suited for households that generate a high volume of food waste. The 4-stage grinding system further enhances this power by breaking down tougher scraps that might jam smaller, single-stage units.
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