
Home Master HydroPerfection TMHP
Score: 90/100
Waterdrop G3P800
Score: 90/100Rankings

The Home Master TMHP HydroPerfection is a high-end under-sink reverse osmosis system featuring 9-stage filtration, UV sterilization, and patented remineralization technology. Its main trade-off is the higher initial cost and the requirement for an electrical outlet for the UV unit. It is best suited for health-conscious households prioritizing water purity and mineral content.

The Waterdrop G3P800 is an 800 GPD tankless reverse osmosis system designed for residential and small commercial use, featuring 10-stage filtration, UV sterilization, and NSF/ANSI certification. It offers a high flow rate of 800 gallons per day with a water-efficient 3:1 pure-to-drain ratio, making it suitable for large households or businesses requiring instant, high-purity water. It is best suited for large households (5+ people) requiring high-volume filtered water.
| Attribute | ![]() | ![]() |
|---|---|---|
1.07 GPM | 800 GPMbest | |
12 monthsbest | — | |
9 stages | 10 stagesbest | |
99 %best | — | |
| ↓ lower better | 35 PSI | 14.5 PSIbest |
| ↓ lower better | — | 0 micronsbest |
| ↓ lower better | 1 ratiobest | 3 ratio |
5 yearsbest | 1 years |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Health & Safety(2) | ||
Certifications | NSF, EPA | NSF/ANSI 42, 53, 58, 372 |
Remineralization | true | false |
Installation & Compatibility(2) | ||
Installation Type | Under-sink | Under Sink |
Operating Pressure (PSI) | 35 PSI | 14.5 PSI |
Filtration & Performance(5) | ||
Flow Rate (GPM) | 1.07 GPM | 800 GPM |
Filtration Stages (stages) | 9 stages | 10 stages |
TDS Reduction (%) | 99 % | true % |
Micron Rating (microns) | microns | 0.0001 microns |
Pure to Drain Ratio (ratio) | 1 ratio | 3 ratio |
Maintenance & Warranty(2) | ||
Filter Lifespan (months) | 12 months | N/A months |
Warranty (years) | 5 years | 1 years |
Dimensions & Build(3) | ||
Height (inches) | 16.0 inches | 17.72 inches |
Width (inches) | 5.0 inches | 5.67 inches |
Depth (inches) | 15.0 inches | 18.12 inches |

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

Professional reviewers highlight the Home Master HydroPerfection as an exceptional under-sink reverse osmosis filter that effectively eliminates contaminants while enriching water with essential minerals. The patented Full Contact Technology is cited as a key differentiator that addresses limitations of traditional systems, such as tank degradation and slow flow rates. While experts note the setup is straightforward, they emphasize that the maintenance process requires careful attention to detail.
Everyday users consistently praise the system for its ease of setup and the high quality of the water it produces. Common themes include appreciation for the strong water pressure, fast flow rates, and the environmental benefit of the 1:1 waste ratio. Users report satisfaction with the clean taste and the peace of mind regarding bacteria and chemical removal, though some find the maintenance routine to be a minor drawback.

“very clean water”

“Say no more. Perfect!”



Professional sources highlight the G3P800 as a premium offering in the reverse osmosis category, launched in mid-April 2022 as Waterdrop's first 800 GPD tankless system. Experts emphasize its advanced filtration technology, including NSF 58 certification for removing heavy metals and pharmaceuticals, and its efficiency improvements over traditional systems. The system is positioned as a significant upgrade to earlier models, offering superior flow rates and water efficiency.
There is insufficient data to determine consumer sentiment, as search results contain primarily product specifications and marketing claims rather than verified consumer reviews or complaints.