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Maintaining Boiler Water Level Is Important to Prevent Possible Explosion
Steam boilers combine water and heat to create pressurized steam that is
easily transformed into indoor heating. This type of heating system provides
efficient energy for a variety of needs, but it also poses some safety
risks. That’s why if you ever have any visible problems with your
steam boiler, you need to call in for a repair as soon as possible.
Just like every other household appliance, there are numerous things that
can go wrong with your boiler. Some may be minor problems that can be
fixed with ease, others may require more extensive repairs. Before calling
in that repairman, though, we want you to be able to diagnose your boiler.
That way, you’ll know exactly what to expect when they come in to fix it.
Common Steam Boiler Water Heater Problems

Inefficient heating: If your boiler is taking more time to warm the home than it ever did
before, it could be because of two things – built up mineral deposits
or low water in the system. Noticing the temperature lowering gradually
means that mineral deposits from hard water might have formed in the boiler.
In that case, it will need to be flushed. If poor performance happens
all of a sudden, you should check the pressure/temperature gauge. If it
reads lower than 12psi, open up the water feed valve to let the tank fill
until the gauge reads at least 12.

Check the water level: Because steam boilers have small glass windows on them, it’s easy
to check the water level. With each heating cycle, the boiler will lose
some of its water. But, if it gets too low or runs out of water completely,
no steam can be produced to heat your home.

Leaks around the boiler: The severity of this problem depends on where the leak is. If it’s
coming from a pipe, follow it to the joint where the leak originates and
tighten it. They may need to be replaced if that doesn’t stop the
problem. A leak may also occur if the system expansion tank is overfilled
with water and needs to be drained. It could also be clogged or damaged.

Flush the water cut-off valve: This valve is in place to save your boiler from exploding. It senses
when water levels are dangerously low and turns off the burner beneath
the boiler. For them to remain in proper working condition, they have
to be flushed weekly.

Listen for water blockage: You will hear a loud banging sound coming from the radiator as it turns
on. This occurs when water can no longer drain from the radiator back
into the boiler when it condenses. Instead, water builds up in the pipe
and blocks the hot steam from reaching the radiator. Because this normally
happens when a house settles and shifts piping, you may need some major
plumbing work done to fix it.

No matter the problem, Arco Comfort Air will fix it for you. Call us today!

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What Are Customers Are Saying

Preston Gordon you are the man. Thank you for fixing bathroom and finding my lost hidden treasures.

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Katie Lock

Katie Lock

July 24, 2026

Thank you for the great and friendly service Shavine. I appreciate all the advice and friendly attitude.

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Christen Keith

Christen Keith

July 23, 2026

Princeton was amazing. He diagnosed the issue quickly and solved it without fail. Would recommend.

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William Keys

William Keys

July 23, 2026

Cliff did a great job with my emergency breaker job he was quick and dedicated to getting it done to helping me restore my power. I really appreciated the swift response.

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Derek Murphy

Derek Murphy

July 22, 2026

Reggie was absolutely fantastic. Very knowledgeable and explained everything in simple terms. Would definitely recommend him for any of your electrical needs!

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Christian Mayfield

Christian Mayfield

July 21, 2026

Princesten was wonderful! He was very thorough, helpful and extremely professional. We have had many service professionals come through our home and he is by far one of the most professional and respectful people I’ve ever had.

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Elisa Race

Elisa Race

July 20, 2026

Amazing work today by Evan and Shavine. They were able to fix a problem no one else was able to fix. Will definitely use these guys again

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Darren Eaddy

Darren Eaddy

July 20, 2026

Shavine and Evan were very knowledgeable and were able to fix the issue at hand . They answered all our questions and made sure everything was complete before they left .

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Char E

Char E

July 20, 2026

Outside GFI outlet not working. Could not reset. Within a short time problem was resolved. Electrician Shavine was excellent. I would highly recommend Arco and their service provided.

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Bob Ochsner

Bob Ochsner

July 20, 2026

We originally called Acro for one issue but ended up with getting our very out dated breaker boxes replaced which was definitely needed. Shavine M. and Evan S. were both our electric technicians for our full job. Shavine M. was the first technicians on site and was very prompt. The gentlemen let us know before hand the amount of time the power was going to be out and we gave them the space to work. After the work was completed, Shavine gave a walk through of the work completed today and a explaination of the next steps after. We are very happy with the work completed and Shavine and Evan were a pleasure to have as technicians on the job.

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Jasmin A

Jasmin A

July 18, 2026

Great experience! Quote and installation/service performed same day when others were weeks out just for quote appointment. We had an attic vent fan hooked up and some landscape lighting repaired, but seems they could really do any/all electrical projects you would need.

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Marc Mellion

Marc Mellion

July 16, 2026

Andrew Corrothers with Arco was very polite and answered questions that I had when he came for my A/C maintenance.

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Sherry Runner

Sherry Runner

July 15, 2026

Shavine switched out/repaired more outlets and switches in our home than I can count! He also installed several light fixtures for us and they work and look outstanding ! Now all of our lights and outlets are functional and I am so happy with the work that was done . It was a very big job and Shavine worked finished it all in a day ! I highly recommend Shavine with your electrical needs!

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Susan Simpson

Susan Simpson

July 13, 2026

We had our AC serviced by Arco. The first day we had a technician. He said he had to order parts and would return the next day. The next day we got a new technician EUGENE and he was so professional, h shared what he was doing, he was friendly, and insightful. We had to replace our thermostat. He was quick and proficient. I highly recommend Arco but specifically Eugene. Thank you.

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Tamika Glenn

Tamika Glenn

July 11, 2026

They are reliable and always show up as scheduled. Shavine did a great job installing our motion sensor floodlights. I would hire them again for any electrical work.

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Kern Jolibos

Kern Jolibos

July 10, 2026

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