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United Water Softeners

Products / Water Softener Packages

Professional installation of the United Water Softeners Guardian Package water softener system.

SENTINEL GUARDIAN Package

Our SENTINEL GUARDIAN Package delivers premium whole-home water softening and purification for clean, soft water throughout Houston, Katy, Cypress, Richmond, Fulshear, and the surrounding areas. Featuring the advanced GUARDIAN softener with premium resin for removing contaminants, it also includes the PUREGUARD™ PGRO-450 reverse osmosis system that provides high-quality drinking water right at your tap. Ask your Water Treatment Specialist today!

SENTINEL GUARDIAN Package Features*

  • GUARDIAN Water Softener
  • PUREGUARD™ PGRO-450
  • Leak Detection
  • Assembled in Texas
  • 120lbs of Softening Salt

SENTINEL Guardian Warranty*

  • 5 Years on Parts
  • 1 Year Labor

PUREGUARD R.O. Warranty*

  • 5 Years on Parts
  • 1 Year Labor

*Ask your water treatment specialist for details.

Leak Detection

Leak Detection System

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PureGuard Reverse Osmosis System

The PUREGUARD™ PGRO-450 Includes:

  • 4 Stage Purification System
  • 4.2 Gallon holding tank
  • Designer chrome faucet
  • 50 Gallon per day membrane
  • NSF Certified material
  • 5m Sediment prefilter
  • 5m Carbon prefilter
  • Polishing GAC postfilter
  • 5 year parts warranty, 1 year labor
  • Reserve monitor for conserving water
  • FLOWLOK™ Leak detector
  • SHOK BLOK™ filter protection

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Cutaway view of the Sentinel water softener tank showing softening resin, riser tube, gravel bed and distributor.
Sentinel Quality Water Systems logo

SENTINEL GUARDIAN Water Softener

  • Clack Matrix Valve
    High Efficiency Control Valve
  • Reinforced Fiberglass Tank
    Freeze Resistant Reinforcement
  • 1" Manifold Pipe
    High Flow Throughput
  • Resin
    The 8% amber water softening resin is a high-quality, high-capacity resin designed to efficiently soften water by reducing calcium and magnesium ions that cause hardness. With an 8% cross-linked structure, it offers excellent durability and long-lasting performance, ensuring consistent, high-efficiency water softening even in demanding conditions. Ideal for residential and commercial applications, this resin provides a reliable solution to enhance water quality, improve appliance efficiency, and extend the life of plumbing systems by effectively preventing scale buildup.
  • Clarifying Gravel
    For Efficient Distribution and Filtration

Protect your investment with a weather-protecting enclosure

Learn More about our weather-protecting enclosure

Durable Weather Enclosure for water softeners by United Water Softeners. Beige double-door plastic cabinet providing all-weather protection against rain, sun, debris, and extreme temperatures.

Already Have a System? We Repair and Service Too

We service water treatment equipment across the greater Houston area, typically within 24 to 48 hours — including systems we did not install. See service and repair.