AS-PR75AK - Water filter Aquasure - Free user manual and instructions
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| Product Type | Under-sink Reverse Osmosis Water Filter |
| Brand | Aquasure |
| Model | AS-PR75AK |
| Capacity | 75 gallons per day (GPD) |
| Filtration Stages | 5 stages: Sediment, Carbon Block, Reverse Osmosis Membrane, Carbon Inline, Optional Alkaline |
| Dimensions (L x W x H) | 14 x 5 x 18 inches |
| Weight | 10 lbs |
| Power | None (operates on water pressure) |
| Water Pressure Range | 40-80 psi |
| Membrane Type | Thin Film Composite (TFC) |
| Pre-filters | Sediment (5 micron), Carbon Block (5 micron) |
| Post-filter | Inline Carbon (1 micron) |
| Tank Capacity | 3.2 gallons |
| Included Faucet | Yes, modern design with air gap |
| Installation Type | Under-sink, with feed valve (3/8 inch) |
| Maintenance Frequency | Replace filters every 6-12 months, membrane every 2-3 years |
| Repairability | Easy DIY with replaceable parts (filters, membrane, fittings) |
| Certifications | NSF/ANSI 58 (for system) and NSF/ANSI 42 (for pre-filters) |
| Contaminants Removed | Chlorine, sediment, fluoride, heavy metals, and 1000+ contaminants |
| Warranty | 1 year limited warranty |
Frequently Asked Questions - AS-PR75AK Aquasure
How do I install the Aquasure AS-PR75AK water filter?
Installation is straightforward. Connect the system to a cold water line under the sink using the included 3/8-inch feed valve. Mount the filters and tank, then connect the faucet. Always flush the system before use. Detailed steps are in the manual.
How often should I replace the filters?
Pre-filters (sediment and carbon) should be replaced every 6-12 months, the RO membrane every 2-3 years, and the post-filter every 12 months. Actual frequency depends on water quality and usage.
What is the flow rate of this system?
The system produces up to 75 gallons per day, which is approximately 0.05 gallons per minute at standard water pressure.
Does the system require electricity?
No, the Aquasure AS-PR75AK is a non-electric system that operates solely on water pressure. No power source is needed.
What contaminants does it remove?
The 5-stage RO system removes up to 99% of contaminants including chlorine, sediment, lead, fluoride, arsenic, nitrates, and many other impurities.
Can I install it myself?
Yes, it is designed for DIY installation. Basic plumbing skills and tools (drill, wrench) are required. All necessary parts are included.
What is the tank capacity?
The included storage tank holds 3.2 gallons of purified water, which is sufficient for most households.
Is the system NSF certified?
Yes, the system meets NSF/ANSI Standard 58 for reverse osmosis systems and Standard 42 for carbon filtration. Check the manual for specific certification details.
How do I clean and maintain the system?
Regular maintenance involves replacing filters on schedule. The system self-flushes, but you should sanitize the tank annually with a diluted bleach solution. Refer to the manual for step-by-step instructions.
What is the warranty?
Aquasure offers a 1-year limited warranty against defects in materials and workmanship. Register the product online to activate.
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USER MANUAL AS-PR75AK Aquasure
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Product information
Brand : Aquasure
Model : AS-PR75AK
Category : Water filter