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Why Flushing Matters for Tankless Water Heaters
Unlike traditional tank units, tankless water heaters have narrow passageways that heat water on demand. Over time, minerals like calcium and lime from hard water build up inside the heat exchanger. That buildup restricts water flow, forces your system to work harder, and can even cause early failure.
That’s why regular flushing and descaling are so important. It helps:
Restore full flow and heating efficiency
Prevent overheating and damage to the heat exchanger
Avoid costly repairs
Extend the unit’s lifespan — often to 20+ years
Keep your warranty valid (most brands require it)
Keep your tankless water heater running like new with regular flushing and descaling. Schedule your tankless water heater flush service in Livonia, MI, today to prevent costly repairs and extend the life of your system!
How a Tankless Water Heater Flush Protects Your System
Just because it’s tankless doesn’t mean it’s maintenance-free. Minerals in Michigan’s hard water settle inside your water heater over time, restricting flow, overheating components, and reducing system lifespan. A professional flush clears out buildup and restores peak performance.
Here’s how our tankless water heater flushing service in Livonia, MI helps keep your system running like new.
Improved Efficiency – Clean heat exchangers work faster and use less energy
Longer Equipment Life – Prevents corrosion and early part failure
Cleaner Water Output – Eliminates foul smells and discoloration from buildup
Fewer Repairs Needed – Avoids overheating and clogs that cause breakdowns
Signs Your Tankless Water Heater Needs a Flush
Your tankless water heater works tirelessly to provide hot water on demand, but over time, mineral buildup from hard water can hinder its efficiency. Regular flushing helps maintain optimal performance and prevent costly repairs. If you notice any of the following signs, it’s time to call for a tankless water heater flush service:
Reduced hot water pressure
Fluctuating water temperature
Gurgling or popping noises
Error codes on your display
Slower time to get hot water
It’s been more than 12 months since the last service
Hard water is common in Livonia and Southeast Michigan, which makes flushing even more important.
How Often Should You Flush a Tankless Water Heater?
We recommend flushing your unit once every 12 months, or every 6 months if you have especially hard water or high usage. Annual flushing is typically required by manufacturers like Navien, Noritz, Rinnai, and Bosch to maintain warranty coverage.
What If You’ve Never Had It Flushed?
If your tankless system is 2+ years old and has never been flushed, don’t worry — we’ll check the level of buildup and let you know what we find. In most cases, we can still descale and restore full function.
If there’s severe scale or corrosion, we’ll give you options before doing anything
Our Tankless Flushing and Descaling Service
We take pride in doing the job right, with no corners cut. Every tankless water heater flush service includes top-grade equipment like a high-powered pump for flushing tankless water heater systems.
Here’s how we handle a full flush:
Shut off the water and power/gas to the unit to ensure safe operation.
Connect our pump and hose kit to your system’s flush ports for an efficient flush.
Circulate food-safe descaling solution through the unit to dissolve mineral deposits.
Flush with clean water to remove any remaining residue, leaving your system clear.
Inspect components and clean filters to ensure optimal performance.
Test for proper flow and system operation to confirm everything is functioning correctly.
The entire process typically takes 60–90 minutes and ensures your tankless system is working at peak efficiency.
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If you want a company that strives on quality and perfection, this is your guy! We are so happy with our installation, we had both the furnace and air conditioner replaced. They listened to what we were wanting out of the new unit and so far they nailed it. Our installer was very particular and made sure that we were happy in the end. I’m telling you this is your go to company for heating and cooling!
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Tankless Water Heater Flushing FAQs
Can I flush my tankless water heater myself?
You can — if you have the proper pump kit and know what you’re doing. But most homeowners prefer to leave it to a pro.
What happens if I never flush it?
Scale will keep building up, reducing efficiency and eventually damaging the unit. You might lose pressure, get error codes, or shorten its life by years.
Does flushing include filter cleaning?
Yes — we clean the water inlet filter and inspect for buildup during every flush.
How do I know when it’s due?
If it’s been over a year — or you’re seeing pressure or temperature issues — it’s time.
Areas We Proudly Serve
Schedule Your Tankless Water Heater Flush Today
Book your flush now and protect your investment with fast, professional service from Comfort Craftsman.
Call Comfort Craftsman at (248) 778-8025
Or use the form below to request service