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Our Tankless Flushes Keep Your Water Heater Running Its Best
We specialize in preventative maintenance for tankless water heaters. Our team performs thorough flushing for tankless water heaters, helping prevent buildup of hard water scale, rust, lime, and calcium to support reliable hot water in your home. We work with homeowners in St. Augustine and St. Johns County for regular, hassle-free maintenance!
We Flush AND Replace the Filter
This is what makes us different! We don’t just clean the filter — we replace the Filter Housing, O-Ring and Filter!
Quick Delivery
The entire tankless water heater flush takes about 1-hour to complete. Making sure your appliance is cleaned and serviced on your schedule!
Annual Service
Our specialists perform the tankless heater flush at your location each year.
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How Tankless Bros Became St. Johns County’s Hot Water Heater Flushing Pros
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Tankless Bros was founded with inspiration from my 3 sons, who share a passion for home projects.
As we spent time together over the years tackling various homeownership tasks, I quickly identified a common challenge: many people feel overwhelmed by the annual cleaning required for tankless water heaters.
Here at Tankless Bros, we specialize in annual tankless flush and filter replacement. After perfecting our craft, we can offer this service efficiently and not charge outrageous corporate plumber hourly service rates or tie you into a subscription contracts for a “discounted rate”.
We offer exceptional service with fair and upfront pricing. That’s how Tankless Bros came to be!
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1 Unit (MOST HOMES)
$149 (Reg. $189)
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2 Units - ($140/Each)
$280 - (Reg. $370)
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3 Units - ($130/Each)
$390 - (Reg. $485)
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4 Units - ($125/each)
$500 - (Reg. $600)
Why Diy Tankless Water Heater Flushes are Risky
From not having the right tools, time or technical knowhow tankless hot water heater maintenance can quickly become a job….instead of a weekend chore!
Just like changing the oil in your car….just because you know how to; does not mean you want to!
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1: Risk of Damaging the Unit
The filter is connected to the internal plumbing of your unit. Improper handling can crack fittings, damage sensors, or trigger the unit to shutdown and go into safety mode. One wrong turn can result in leaks or complete system failure — which isn’t a cheap fix.
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2: Special Tools Required
You may need:
- Submersible Pump
- 5/8 inch internal diameter hoses
- Isolation valves
- Descaling kit
- Filter removal tool
- Knowledge of how to depressurize the system safely
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3: It’s Not Just About the Filter
Flushing and replacing the filter is often part of a broader maintenance routine. DIYers often skip or confuse steps like:
- Flushing the proper direction
- Cleaning out the internal cabinet
- Resetting the unit after servicing
Missing any of these can lead to performance issues.
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4: Small Mistakes Can Be Expensive
Trying to save money by doing it yourself can backfire. A stripped valve, broken connector, or water damage from improper flushing can lead to repair bills in the hundreds — or even thousands — of dollars.
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Let a Professional Handle It
Our technicians are trained to:
- Safely flush and descale
- Replace the inline filter correctly
- Clear and inspect exhaust system
- Inspect your heater for any wear or hidden issues
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