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Watermark PH Plus | Well Water Acid Neutralizer System 


Raises water pH level from an acidic nature to a healthy neutral pH.

Also raises alkalinity and removes sediment, sand, rust, lower levels of iron & manganese.


Low pH level/ acidic water, causes corrosion and metal leaching.

Protect your health, appliances, fixtures and plumbing.

NSF Certified Natural Calcite & Corsex Media

Exceeds Efficiency Standards


Premium Automatic Digital Valve | Battery Backup | Self Cleaning


WMPHUP15 | 1-5 Bathrooms | Flow Rate: 15 GPM    |  Peak: 18 GPM | 11" x 11" x 63" 

WMPHUP30 | 5-8 Bathrooms | Flow Rate:  22 GPM  |  Peak: 27 GPM | 14" x 14" x 63" 

For additional Flow Requirements, install 2 or more in parallel.


Watermark Exceptionally Clean | 10 Year Warranty | Made in the USA

PH Plus

  • Next Wave - our highest efficiency control valve. Features HE regeneration technology and adjustable backwash frequency.

    • Touch Pad LCD Display

    • Time saving quick connect features on bypass, drain
      line and powercord.

    • Advanced: meter delayed, days of week, calendar clock, meter immediate, meter override.

    • Self charging capacitor keeps date / time of day for
      48 hours while programming remains in permanent

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