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Knights Plumbing Has Joined the Tony’s Family

After more than 30 years serving homeowners throughout the Central Valley, Les and the team at Knights Plumbing have partnered with Tony’s Plumbing, Heating & Air, a local, family-operated company proudly serving the area since 1994.

Your same commitment to honest service and quality workmanship remains, now backed by expanded plumbing, heating, and air conditioning expertise. The same care you’ve trusted for decades is here, with more resources to help keep your home comfortable year-round.

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Home / Services / Water Heater / Water Softener Installation

Water Softener Installation in California’s Central Valley

Say Goodbye to Hard Water Problems

Hard water is a common problem in the Central Valley, causing spots on dishes, scale buildup on fixtures, and even damaging appliances. At Knights Plumbing and Drain, our licensed plumbers provide expert water softener installation, delivering reliable systems that protect your home, lower costs, and improve your water quality.

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Our Water Softener System Installation Services

New water softener installation

Professional setup tailored to your household size and water usage.

Upgrade older systems for more reliable results.

Keep your softener performing with regular service.

Pair with water filtration systems for the cleanest, softest water possible.

  • Our Offers

Plumbing Coupons and Special Offers

We believe every customer deserves high-quality plumbing at a fair price. Take advantage of our current coupons to save instantly on essential services:

$15 OFF

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ANY DRAIN CLEANING SERVICE

Coupon must be presented at the time of service and cannot be combined with other offers.

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$15 OFF

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ANY PLUMBING REPAIR SERVICE

Save on common repairs like leaks, clogs, or fixture replacements.

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$15 OFF

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ANY WATER HEATER (INSTALLED)

Upgrade to a new water heater and enjoy instant savings.

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  • 5-Star Reviews

Over 3k Positive Reviews From Our Clients

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EXCELLENT
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Based on 542 reviews
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E X
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We always request Joe to service our home because he is very professional and knowledgeable! He’s also quick and cleans after his service!
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Vikki Frazier
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As always (we live in an old house) Knights Plumbing are our go to plumbers. Always respectful and in good moods. Today it was Victor’s turn to tackle roots in the pipes. Fast, professional and overall a great guy. He was informative without being pushy about our pipe and tree situation (we do know it’s not great) 5/5 stars. Thanks Victor
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Diana Gillis
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Victor was amazing. Very professional and personable. He explained everything so that I could understand. His workmanship is great and was done in a timely manner. I would trust him with all future work. Thanks Victor...you're the best and I love your friendly personality.
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B. J.
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Victor is an awesome plumber. He has excellent plumbing and customer service skills, and is very efficient and clean. He fixes any plumbing issues I ever had every time the first time. Highly recommend Victor to anyone who expects a professional plumber!
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Elena Sanchez profile picture
Elena Sanchez
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Our technician Victor did a fantastic job of running his cable and camera in our sewer line. He unclogged our blockage, fast and efficiently. He was very respectful. I would recommend this company to anyone who’s looking for plumbing services.. Leslie took our phone call and he got someone to us in less than an hour! It wasn’t expensive for the amount of work that was done .If I could give this company more stars, I would.
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Jose Raneses
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Victor was on time and knowledgeable tech and gave me alot of information about tankless water heaters
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Jake Haig
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Michael was the service technician that helped me out and he was very thorough and neat with his work. He made sure his work was done correctly and was very communicative with his process during installation and through their office. Would recommend again.
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J D
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Very pleased with the service. Technician Michael was just awesome. Well versed, polite and helpful. Definitely recommend to all!

Why Install a Water Softener?

Hard water contains minerals like calcium and magnesium that cause buildup and inefficiency. Installing a water softener system provides:

  • Cleaner dishes & brighter laundry – No more spots or residue.
  • Longer-lasting appliances – Protect water heaters, dishwashers, and washing machines.
  • Softer skin & hair – Reduce dryness and irritation caused by mineral-heavy water.
  • Lower maintenance costs – Prevent scale buildup in pipes and fixtures.
  • Better efficiency – Appliances and plumbing work more effectively with softened water.

Don’t wait for a small problem to become a costly repair—schedule your service today.

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  • Our Service Area

Water Softener Installation Near You

Affordable Plumbing for Everyone

We believe every homeowner and business deserves access to safe, reliable plumbing. That’s why we offer several ways to keep your services affordable and stress-free:

Plumbing Specials & Coupons

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Flexible Financing

Easy payment options so you don’t have to delay important repairs or upgrades.

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Royalty Club Membership

Exclusive perks like discounts, inspections, annual water heater flushes for members.

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  • Our Process

how we install water softeners

Step 1

Water test & consultation

We measure hardness levels and recommend the right system for your home.

Step 2

Installation

Our plumbers perform a professional water softener system installation, connecting it safely to your plumbing.

Step 3

Testing

We ensure the system is working properly and softening water effectively.

Step 4

Ongoing support

We offer maintenance and filter changes to keep your softener in top shape.

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Why choose Knights Plumbing for water softener installation?

  • 30+ Years of Experience – Trusted by thousands of Central Valley families.
  • Licensed & Certified Plumbers – Correct, code-compliant installations every time.
  • Same-day Service – Fast response when you’re ready to improve your home’s water.
  • Upfront Pricing – Clear estimates for water softener installation cost with no surprises.
  • Worry-Free Guarantee – If you’re not satisfied, you don’t pay.
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Professional wearing black gloves removing a dark, sediment-filled water filter cartridge from a whole-home filtration unit, with blue storage tank and PVC piping visible in background
  • FAQS

Frequently Asked Questions About Water Softeners

If you notice spots on dishes, scale buildup on fixtures, or dry skin after showers, you likely have hard water. A professional test can confirm mineral levels.

The water softener installation cost depends on the size of your home and the type of system. Knights Plumbing provides upfront pricing, plus coupons and financing to keep it affordable.

Most systems last 10–15 years with proper maintenance. We provide service plans to extend the lifespan of your equipment.

Our plumbers handle everything: connecting the unit to your plumbing, testing it, and making sure it runs efficiently from day one.

Yes. Filtration removes contaminants, while a water softener system installation reduces hardness minerals. Many homes benefit from having both.

Signs you may need a water softener

  • White spots or film on dishes and glasses.
  • Soap scum in sinks, tubs, or showers.
  • Dry skin or dull hair after bathing.
  • Scale buildup on faucets or showerheads.
  • Appliances are wearing out faster than expected.
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Get Expert Water Softener Installation Today

Protect your appliances, improve your water, and make everyday tasks easier with a professional water softener installation from Knights Plumbing and Drain. With upfront pricing, financing, and our “Happy Today or You Don’t Pay” Guarantee, it’s never been easier to enjoy the benefits of softened water.

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