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Tankless Water Heater Maintenance
Tankless heaters have proven themselves to be highly reliable over the years, requiring little maintenance or
repairs. Most tankless water heaters have a life expectancy of more than 20 years. They also have easily
replaceable parts that extend their life by many more years. In contrast, storage water heaters last 10–15 years.
Periodic maintenance can significantly extend your water heater's life and minimize loss of efficiency. Here are a
few minor service requirements that should be performed at least once a year to insure trouble-free
performance.
Tankless water heaters are very much like furnaces, they have burners, sensors, heat exchangers and safety
devices. I have seen first hand what 3 to 5 years can do to a heat exchanger without any maintenance. I would
consider the following.
Why flush your tankless?
Water scale deposits are a significant cause of heat
transfer loss, along with the subsequent increase in
energy costs. In fact, even a thin layer of scale (1/32")
can cause a 30% increase in the cost to operate that
piece of equipment. Keeping the heating passages
free of mineral deposits significantly improves
efficiency, conserves energy, extends the useful life
of the equipment, and saves you time & money.
Tankless Exchanger Pictures
Whitlam Flow-Aide Descaler:
There are so many flushing products coming out
onto the market its hard to keep up, but I can tell you
that Flow-Aide manufactured by J.C Whitlam is a
superior product. FLOW AIDE System Descaler
quickly dissolves water scale, lime, rust, and other
water formed deposits, restoring 100% efficiency to
your tankless heater. Flow Aide System Descaler is
a non-toxic concentrate which is certified to
NSF/ANSI 60 for use as a cleaner in potable water
systems.
repairs. Most tankless water heaters have a life expectancy of more than 20 years. They also have easily
replaceable parts that extend their life by many more years. In contrast, storage water heaters last 10–15 years.
Periodic maintenance can significantly extend your water heater's life and minimize loss of efficiency. Here are a
few minor service requirements that should be performed at least once a year to insure trouble-free
performance.
- Cleaning the inlet filter is a must. (Clogged or partial clogged filters will lead to flow issues)
- Checking the combustion air or ventilation.
- Checking the vent for blockage.
- Checking the inlet gas pressure.
- Checking for proper sequence of operation.
Tankless water heaters are very much like furnaces, they have burners, sensors, heat exchangers and safety
devices. I have seen first hand what 3 to 5 years can do to a heat exchanger without any maintenance. I would
consider the following.
- Removing the flame sensor, inspecting and cleaning.
- Removing the burners, inspecting and cleaning.
- Inspecting and cleaning the heat exchangers.
- Removing and inspecting the flow sensor.
- Checking all safety devices.
- Flushing your heater.
Why flush your tankless?
Water scale deposits are a significant cause of heat
transfer loss, along with the subsequent increase in
energy costs. In fact, even a thin layer of scale (1/32")
can cause a 30% increase in the cost to operate that
piece of equipment. Keeping the heating passages
free of mineral deposits significantly improves
efficiency, conserves energy, extends the useful life
of the equipment, and saves you time & money.
Tankless Exchanger Pictures
Whitlam Flow-Aide Descaler:
There are so many flushing products coming out
onto the market its hard to keep up, but I can tell you
that Flow-Aide manufactured by J.C Whitlam is a
superior product. FLOW AIDE System Descaler
quickly dissolves water scale, lime, rust, and other
water formed deposits, restoring 100% efficiency to
your tankless heater. Flow Aide System Descaler is
a non-toxic concentrate which is certified to
NSF/ANSI 60 for use as a cleaner in potable water
systems.
This heat exchanger is less that 3 years old, if periodic
maintenance would have been performed this would have
been caught the first year, saving the customer in labor costs
for replacement, fortunately the manufacture covered the cost
of the exchanger.
maintenance would have been performed this would have
been caught the first year, saving the customer in labor costs
for replacement, fortunately the manufacture covered the cost
of the exchanger.
Flushing the tankless is fairly simple, we
usually leave the pump running for about
45 minutes while we attend to other
maintenance items.
usually leave the pump running for about
45 minutes while we attend to other
maintenance items.
Alpines proposal:
More than likely you have a furnace, heat pump or boiler heating
system for your home, if your like most of our customers you will
have us out once a year to perform maintenance on that piece of
equipment. I would suggest to you to have us perform
maintenance on both your heating and water heating equipment
at the same time. We will offer you special savings for both.
Check out our coupon page.
Final note, as seen in the picture to the right and below, you
must have a tankless flush kit installed on your tankless water
heater in order to flush your system correctly. If you do not have a
flush kit installed we suggest having one installed.
More than likely you have a furnace, heat pump or boiler heating
system for your home, if your like most of our customers you will
have us out once a year to perform maintenance on that piece of
equipment. I would suggest to you to have us perform
maintenance on both your heating and water heating equipment
at the same time. We will offer you special savings for both.
Check out our coupon page.
Final note, as seen in the picture to the right and below, you
must have a tankless flush kit installed on your tankless water
heater in order to flush your system correctly. If you do not have a
flush kit installed we suggest having one installed.
Here on our Takagi tankless water heater display you see a after
market tankless flushing kit installed. We adapted installing these
kits several years ago and with proper clearance we continue
including them in our installations.
market tankless flushing kit installed. We adapted installing these
kits several years ago and with proper clearance we continue
including them in our installations.
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