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321 Specifications, Features & Compatibility Guide

The Purosis 321 is a RO water purifier with 9 L storage capacity designed for Indian households capable of handling source water TDS up to 2500 ppm.It delivers 7-stage purification at a flow rate of 20 L/min, ensuring safe and clean drinking water.

Quick Answer

If your borewell water has high salinity, the Purosis 321 is a top-tier choice because its robust membrane handles up to 2500 ppm TDS effortlessly. It uniquely combines an Alkaline enhancer with a Copper Guard, ensuring your 9L storage isn't just pure, but actively fortified with essential minerals.

Ideal for large Indian families needing high-TDS filtration and mineral-rich water, the Purosis 321 is a must-buy. Avoid it only if your daily consumption is minimal or if you require a low-budget, basic carbon-only filtration setup.

✓ Who Should Buy

  • • performance suitable for residential spaces.
  • •Verified efficiency of standard rating for reduced long-term operational costs.
  • •Structural stability for consistent cleaning under rigorous use cases.
  • •Hardware durability via premium components and advanced technology.
  • •Built-in grid protection with Standard power cycle voltage management.

✕ Who Should Avoid

  • •Spaces or usage requirements exceeding residential rated capacity.
  • •Installations prioritizing minimum capital expenditure over high-efficiency performance.
  • •Unstable grid conditions exceeding the functional threshold of Standard power cycle.
  • •Environments incompatible with water-purifiers physical and thermal dissipation specs.
Product Overview
The Purosis 321 is a RO water purifier with 9 L storage capacity designed for Indian households capable of handling source water TDS up to 2500 ppm. It delivers 7-stage purification at a flow rate of 20 L/min, ensuring safe and clean drinking water. The purified water maintains TDS levels of 2500 ppm, retaining essential minerals. Key features include RO + UV + CU Guard + Alkaline Enhancer + Mineral, Copper + Zinc purification, detachable tank. Convenience features: Good quality filter, detachable tank. Auto shut-off prevents overflow and extends filter life. Wall Mounted design suits kitchen countertops and wall spaces. Runs at 24 W on 240 V, compatible with standard Indian electrical supply. Backed by a 1 Year warranty with technician visit support, manufactured in India.

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Engineering Analysis
The RO membrane removes dissolved salts, heavy metals, and contaminants, reducing TDS from raw levels to safe drinking standards. The 7-stage system ensures multi-layer protection across sediment, chemical, and microbial contaminants. Rated to handle source TDS up to 2500 ppm, suitable for both municipal and borewell water sources. Internal voltage regulation at 24 V DC protects components from mains fluctuations.

Technical Support & FAQs