Tankless Water Heater Repair in Guam


Work with Plumbing Pros, Guam's trusted plumbing repair professionals.
Tankless water heaters have grown in popularity over the last few years because they offer convenience, energy efficiency, and longevity. Unlike traditional options that need a tank to hold water, these units provide on-demand hot water, guaranteeing space savings.
For all the numerous benefits of tankless water heaters, they are no different from other systems in your home. They’ll break down from time to time, even when you meet all maintenance requirements.
At Plumbing Pros, we offer tankless water heater repair for property owners across Guam Island. Our highly experienced technicians can troubleshoot and solve all tankless water heater problems you might have.
Call us today to improve your unit’s life span and ensure you have hot water whenever needed.
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Signs Your Tankless Water Heater Needs Repairs

Signs Your Tankless Water Heater Needs Repairs
- Getting lukewarm or cold water when you need hot water
- A significant drop in hot water pressure
- Noisy operation
- Ignition problems
If you notice any of these problems, call a technician right away.

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Common Tankless Water Heater Problems We Fix

At Plumbing Pros, our tankless water heater repair experts can solve problems such as:
Mineral Buildup
Minerals in water, such as calcium and magnesium, can accumulate in your tankless water heater’s heating chamber. The result is a reduction in the tank’s water heating efficiency. You may also notice a drop in the system’s water pressure.
Our descaling process eliminates mineral deposits and ensures the free
flow of water through the system.can find the blockage and quickly
clear your pipes.
Ignition System Malfunction
If you get the so-called “cold water sandwich,” where your shower switches from cold to hot to cold water again, you likely have a malfunctioning ignition system. Our technicians will dissect and analyze parts of the ignition system, including the sensor, gas valve, and igniter, to determine the cause of
the ignition system malfunction. Sometimes, the problem lies with the
heating element further away from the ignition. However, we always start all troubleshooting for temperature complaints with the ignition
system.
system.
Gas Supply Problems
Poor water pressure can indicate a partial blockage or a leak in your plumbing. Don’t settle for low water pressure or assume it’s a natural or benign cause. Call an expert to diagnose and fix the issue.
Water Flow Problems
The biggest causes of water flow problems include clogged filters and malfunctioning pressure relief valves. Replacing these parts will typically restore your system’s water pressure to normal.
Error Codes Interpretation
Modern tankless water heaters use error codes to communicate underlying problems. Our technicians know what these codes mean for all major tankless water heater systems. We’ll run the diagnostics, get to the root
cause of the problem, and implement any necessary repairs.
cause of the problem, and implement any necessary repairs.

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Frequently Asked Questions

How Long Do Tankless Water Heaters Last?
Most tankless water heaters last 15 to 20 years with proper maintenance. Some units can last up to 25 years.
Should I Repair Or Replace My Tankless Water Heater?
You should repair your tankless water heater if it’s still within the advertised lifespan and only needs minor to moderate repairs. However, if your unit is already too old and breaks down frequently, it’s time to start shopping for a new unit.
Our team can inspect your water heater and recommend the best course of action. If you truly need a replacement, we’ll guide you to a high-efficiency system.
Our team can inspect your water heater and recommend the best course of action. If you truly need a replacement, we’ll guide you to a high-efficiency system.
How Much Does Tankless Water Heater Repair Cost?
The cost of the repair depends on the type of damage we uncover. Replacing filters or pressure relief valves will cost less than fixing the heating element.

Expert Repairs, Installations & Maintenance – We Do It All!
Schedule a Consultation for Your Tankless Water Heater Repair Today

Are you tired of not getting hot water when you need it? Turn to the team at Plumbing Pros for long-lasting repairs. When it comes to tankless heater problems, our technicians have seen it all.
Call the Plumbing Pros team in Guam today
To schedule an inspection and repairs.
Let our experts show you why we are the top choice for tankless water heater installation and repair in the region.