
iSpring RCC1UP-AK
Score: 88/100iSpring RCC100P
Score: 82/100Rankings

The iSpring RCC1UP-AK is a 7-stage under-sink reverse osmosis system designed for residential drinking water purification, featuring a booster pump, UV sterilization, and alkaline remineralization. It removes up to 99% of over 1,000 contaminants while restoring beneficial minerals and maintaining a highly efficient 1.5:1 pure-to-waste water ratio. Best suited for homeowners with variable water pressure who need a booster pump for consistent performance.
The iSpring RCC100P is a 5-stage under-sink reverse osmosis system featuring an electric booster pump designed to maintain consistent performance in homes with low water pressure. It removes up to 99% of over 1,000 contaminants, including PFAS and lead, while producing 100 gallons of purified water per day. Best suited for homes with low water pressure below 40 PSI.
| Attribute | ![]() | iSpring RCC100P |
|---|---|---|
7 stagesbest | 5 stages | |
100 gallons per daybest | 100 gallons per daybest | |
99 percentbest | 93.5 percent | |
1,000 countbest | 1,000 countbest | |
— | 6 monthsbest | |
| ↓ lower better | 5.3 inchesbest | 6 inches |
| ↓ lower better | 19 inches | 18 inchesbest |
30 PSI | 35 PSIbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | iSpring RCC100P |
|---|---|---|
Compliance & Safety(1) | ||
Certifications | NSF/ANSI | NSF/ANSI 58 |
Maintenance(1) | ||
Filter Lifespan (months) | Not specified months | 6 months |
Design(2) | ||
System Width (inches) | 5.3 inches | 6.0 inches |
System Height (inches) | 19.0 inches | 18.0 inches |
Performance(4) | ||
Filtration Stages (stages) | 7 stages | 5 stages |
TDS Reduction Rate (percent) | 99 percent | 93.5 percent |
Wastewater Ratio | 1.5:1 | Not specified |
Feed Water Pressure (PSI) | 30-70 PSI | 35 PSI |
Features(2) | ||
Remineralization | true | false |
Faucet Type | Brushed Nickel | European-Style |

Products in the top-left offer the best value (high score, low price).

The provided search results do not include detailed professional reviews, editor commentary, or substantial expert critiques. The product is described as an upgrade to the standard RCC7AK-UV system, suggesting it represents an improvement in the product line, but specific professional praise or criticism is not available in the sources.
The search results provided do not include detailed user reviews, testimonials, or consumer feedback sections. Consequently, there is no data regarding common praise, recurring complaints, or general sentiment from everyday users for this specific model.
Professional reviewers and editors highlight the iSpring RCC100P as a robust solution for low-pressure environments, noting its NSF/ANSI 58 certification and high contaminant removal rates. The electric booster pump is praised for maintaining consistent performance and reducing wastewater compared to passive systems, while the transparent housing is valued for maintenance visibility.
Data does not contain specific user reviews or consumer feedback to analyze recurring themes or common praise.

Choose the RCC100P for a cost-effective, essential RO solution, or the RCC1UP-AK if you want mineral restoration and UV sterilization.