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Watts Premier RO Zero Pure Plus Review: Specs, Pros and Cons

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This watts premier ro zero pure plus review focuses on the Watts Premier Zero Pure Plus Brushed Nickel model (WP531517). It is a four-stage reverse osmosis system designed for under-sink installation. The unit produces 50 gallons per day using a dedicated pump. Its dimensions are 13 inches wide, 15.5 inches high, and 19 inches long. Weighing 23 pounds, it includes a 3-gallon storage tank and a brushed nickel faucet. The system targets VOC reduction and general impurity removal through its multi-stage filtration process.

What stands out

  • Includes a dedicated ZeroWaste pump with solenoid for efficient water usage.
  • Features a 50 GPD membrane for steady daily production.
  • Color-coded filters (red, yellow, silver, green) simplify identification.
  • Push-button filter release allows changes without shutting off water.
  • Backflow prevention valves installed between filter elements.

Who it fits

Good fit for

You should choose this system if you need a robust, pump-driven RO unit that fits under standard sinks. It suits households wanting reduced VOCs and dissolved solids without relying on tank pressure. The included air gap faucet and comprehensive filter set make it a complete solution. It is ideal for users who prefer color-coded maintenance and easy filter swaps. The dedicated pump ensures consistent output even with low incoming water pressure.

Who should skip it

Skip this model if your home uses a tankless water heater, as the manufacturer advises against it. You must have an independent, non-switched 110V electrical outlet nearby. The system requires installation at least 25 pipe feet from your water heater. If you lack a dedicated power source or have complex plumbing near the heater, this setup may not work for you. It is not suitable for homes with backflow prevention on the hot water heater.

Verdict: The Watts Premier Zero Pure Plus is a solid, pump-assisted RO system for under-sink use. It delivers reliable filtration and easy maintenance for compatible households.

Key specs explained

Capacity (GPD): 50

This system produces 50 gallons of filtered water daily. That volume supports most household needs without frequent tank refills. You get consistent pressure for drinking and cooking. Larger families may prefer higher GPD models for heavy usage. This capacity balances speed with efficient membrane use. It suits average homes well.

Filtration Stages: 4

The unit uses four distinct filter stages to clean water. This includes sediment, carbon, VOC removal, and the reverse osmosis membrane. Each stage targets specific contaminants like dirt, chlorine, and chemicals. More stages generally mean broader protection. This setup covers common tap water issues effectively. It is a standard, robust configuration for residential use.

Filtration Type: Reverse osmosis

Reverse osmosis forces water through a semi-permeable membrane. This process removes dissolved solids, arsenic, lead, and nitrates. It provides the highest level of purification available for home systems. You get water that is nearly pure H2O. This method is essential if you worry about heavy metals or salts in your supply.

Design: Under sink

This system mounts beneath your kitchen sink. It saves counter space and keeps the plumbing hidden. You need adequate cabinet space and access to a power outlet. The compact design fits standard under-sink areas. It is the most common installation type for home RO systems. Ensure you have room for the tank and filters.

Design and Build Details

The Watts Premier Zero Pure Plus measures 19 inches long, 13 inches wide, and 15.5 inches high. It weighs 23 pounds. These dimensions define the under-sink space you must clear. The unit requires a dedicated 110V electrical outlet that is not switched. You cannot plug it into a garbage disposal circuit. The system must sit at least 25 pipe feet from your water heater to function correctly.

The finish is brushed nickel. This color applies to the top mount air gap twist faucet. The faucet design includes an air gap to prevent backflow. The main filtration housing uses color-coded cartridges for easy identification. Red marks the sediment filter, yellow the pre-filter, silver the VOC filter, and green the membrane. Each cartridge features a push-button release. This mechanism allows you to swap filters without turning off the water supply. Double O-rings and backflow prevention valves are installed to reduce leak risks.

According to the listing, the system includes a ZeroWaste pump with solenoid and stand. This assembly sits alongside the storage tank and filter housing. The layout is compact but dense. You need sufficient cabinet depth for the 19-inch length. The 3-gallon storage tank adds vertical height. Ensure your plumbing connections align with the included parts bag. The design prioritizes straightforward maintenance and stable water pressure.

Setup and Everyday Use Guide

Installation requires a 110V electrical outlet that is independent of your garbage disposal. The outlet must be non-switched to power the ZeroWaste pump correctly. You must place the system at least 25 pipe feet away from your water heater. Do not install this unit if your home has tankless water heaters or backflow prevention on the hot water heater. These constraints ensure the pump operates without damage or inefficiency.

The design prioritizes straightforward maintenance. Each filter head includes a shutoff valve, allowing you to service one stage without affecting the others. The cartridges feature a push-button release mechanism. This lets you swap filters without turning off the main water supply. Color coding aids identification: red for sediment, yellow for pre-filter, silver for VOC, and green for the membrane. This visual system reduces errors during replacement.

Daily use is supported by a 3-gallon storage tank. This buffer provides consistent water pressure for drinking and cooking, even when the system is filtering. The brushed nickel faucet adds a finished look to your sink. Backflow prevention valves are installed between elements to protect water quality. Double O-rings in the cartridges help prevent leaks during normal operation. You get clean water with reduced impurities like arsenic and lead, thanks to the 50 GPD membrane. The four-stage process removes sediment, chlorine, VOCs, and dissolved solids before the water reaches your tap.

Before You Buy Watts Premier RO

You should verify your electrical setup before purchasing. This unit needs a dedicated, non-switched 110V outlet. Do not plug it into a garbage disposal circuit. You must also check your plumbing layout. The system must sit at least 25 pipe feet from your water heater. Homes with tankless water heaters or hot water backflow prevention may not be compatible. You will need to budget for filter replacements. The four stages use specific Watts Premier cartridges. You should buy spares to maintain flow. This model fits well if you need robust VOC removal. It suits households with older pipes or known organic contaminants. If you have high sediment, the five-micron pre-filter helps. However, you might want a higher capacity system for large families. This option is best for those prioritizing chemical reduction over speed. It is a solid choice for standard under-sink spaces where power is available nearby.

Check before you buy

  • Confirm you have a dedicated non-switched 110V outlet nearby.
  • Ensure the unit is 25 pipe feet from the water heater.
  • Check if your home has a tankless water heater.
  • Verify you have space for the 19-inch long unit.
  • Purchase spare four-stage filter cartridges for future maintenance.

The product at a glance

Watts Premier Zero Pure Plus Brushed Nickel

Best for: VOC removal and water efficiency

Filtration Stages
4
Capacity (GPD)
50 GPD
Design
Under sink
Filtration Type
Reverse osmosis
Contaminants Removed
Dirt, silt, rust, chlorine, VOCs
Installation Type
Under sink

View on Amazon: Watts Premier Zero Pure Plus Brushed Nickel Affiliate link

This under-sink reverse osmosis system uses a 50 GPD membrane and four filtration stages to remove contaminants like VOCs, lead, and arsenic. It includes a 3-gallon storage tank and a ZeroWaste pump for efficient water use. The brushed nickel faucet and color-coded filters simplify maintenance. It suits households needing comprehensive contaminant reduction with a compact footprint under the sink.

Pros

  • 4-stage filtration removes VOCs, chlorine, and dissolved solids
  • ZeroWaste pump recycles reject water to reduce waste
  • Color-coded filters allow easy identification and replacement
  • Includes 3-gallon storage tank for consistent supply

Cons

  • 50 GPD output is lower than high-capacity models
  • Requires a dedicated 110V electrical outlet for operation
  • Must be installed at least 25 feet from the water heater

Good fit if

  • You need effective VOC and contaminant removal
  • You want a system that reduces wastewater
  • You have space under the sink for installation

Skip if

  • You require a high-flow system over 75 GPD
  • You lack a nearby 110V electrical outlet
  • Your water heater is closer than 25 pipe feet

Verdict: Watts Premier ZeroWaste 4-Stage RO offers targeted contaminant removal with eco-friendly water recycling. It fits homes prioritizing VOC reduction and efficient water use over high-volume output.

Specifications side by side

Spec Watts Premier Zero Pure Plus Brushed Nickel
Filtration Stages 4
Capacity (GPD) 50 GPD
Design Under sink
Filtration Type Reverse osmosis
Contaminants Removed Dirt, silt, rust, chlorine, VOCs
Installation Type Under sink
Features ZeroWaste pump
Micron Rating 5-Micron
Capacity 50 GPD
Color Brushed Nickel
Dimensions 19 × 13 × 15.5 inches
Weight 23 pounds
Size ZeroWaste
Model WP531517

Frequently asked questions

What does the ZeroWaste feature do in this system?

The ZeroWaste technology recycles wastewater back into the feed supply. This design significantly reduces the amount of water sent down the drain during the filtration process. You benefit from improved water efficiency compared to traditional reverse osmosis units that discard most of the input water as waste.

How many filtration stages does the Watts Premier Zero Pure Plus have?

This system utilizes a four-stage filtration process. The stages work together to remove contaminants, with a specific focus on volatile organic compounds. This targeted approach ensures you receive clean drinking water without compromising the system's overall efficiency or water output capacity.

What is the daily water production capacity of this model?

The system produces 50 gallons of filtered water per day. This output is generated by a dedicated pump that maintains consistent pressure. The volume is sufficient for most household needs, including drinking, cooking, and ice making, without requiring frequent tank refills.

What are the physical dimensions of the Watts Premier unit?

The unit measures 19 inches in length, 13 inches in width, and 15.5 inches in height. It weighs 23 pounds. These dimensions determine the under-sink space you must clear for installation. Ensure you have adequate room before proceeding with the setup.

What finish is available for this reverse osmosis system?

The system is available in a brushed nickel finish. This color option allows the unit to blend with modern kitchen fixtures and cabinetry. The brushed nickel surface provides a sleek appearance that complements contemporary under-sink environments.

Is this system good for removing VOCs?

Yes, this model is specifically designed for targeted VOC removal. The four-stage filtration process focuses on reducing volatile organic compounds. This makes it an excellent choice for households prioritizing the elimination of these specific contaminants from their drinking water supply.

Does the Watts Premier Zero Pure Plus require electricity?

Yes, the system requires a dedicated 110V electrical outlet. It uses a pump to enhance filtration efficiency and water pressure. You must ensure the outlet is non-switched and independent of your garbage disposal circuit for proper operation.

What is the model number for this brushed nickel unit?

The model number for this specific brushed nickel unit is WP531517. You can use this number to verify compatibility with your existing plumbing or to order replacement filters. It identifies the exact configuration of the four-stage filtration system.

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