WITHOUT FRIDGE DEFEND YOU ARE NOT PROTECTED
Dometic & Norcold reliability and fire safety, can you live without it?
They know that there is a problem, this is evident by the time-line of recalls, patents, and RV refrigerator fires.
YOU CANNOT ELIMINATE A PROBLEM BY DENYING ITS EXISTENCE
Please view the subject matter on left and click link on right to go directly to the subject of interest.
The following is a long history of recognition on behalf of the refrigeration manufactures that overheating the cooling unit boiler results in fridge destruction, the only defense is the Fridge Defend by ARP. Please note that Dometic was formed by Electrolux for the American market.
Passivation: "A thin film consisting of chrome and iron oxides (Cr2O3 and Fe2O4) is built up on the surface of the steel tubes and protects the apparatus from corrosion." The blue layer shown on the inside of the boiler tube in the video on the last menu item is technically a passivation layer. We name the layer a "rust prevention layer" as this is more of a layman's term. This term is also used in the following patents.
For the following references, the brown italic font represents quotes from the references cited:
Click here to view a General Refrigeration History Timeline Starting in 1000 BC.
Title/Link:
Corrosion preventing agent in the apparatus.
In this patent is it explained that "some of the corrosion preventing agents, upon decomposition,
produce substances which themselves are corrosive". Therefore, when the boiler on your fridge
overheats and the rust inhibitor is destroyed, the result is further destruction of the fridge.
Title/Link:
Corrosion inhibitors in absorption refrigeration system.
This patent speaks for itself: "The main object of the invention is to increase the lifetime of the
apparatus and to prolong the durability of the corrosion protection". Are we starting to form a pattern?
Title/Link:
Heat operated refrigerator operable on gas or electricity and control mechanism.
This patent makes clear that "elevated temperatures which are within
a safe operating range which does not impair the life of the refrigeration apparatus".
We are starting to form a pattern!
Click here for more on boiler temperatures and failure of fridge.
Title/Link:
Boiler constructions for absorption refrigerating apparatus.
In this patent it is stated "the metal surface coming into contact with the working media in the
boiler is increased and hence also the consumption of corrosion preventing agents in the solution
which may lead to a shortened life of the refrigerating system". Thus it is well know that the
life can be shortened for your fridge when the boiler overheats.
Title/Link:
Object of the invention to limit corrosion.
We show this patent just to make the point that it is more than well known that corrosion is
a confirmed issue based on "object of the invention to limit corrosion".
Title/Link:
Absorption refrigerator boiler construction.
It is very hard for the manufactures of RV
refrigerators to state in their patent that the nature of the invention
is to "prevent creation of undesirable excess temperature in the boiler"
that "abnormally high boiler
temperatures involve the risk that corrosion-protecting components, such as a type of chromates,
added to the solution are consumed in a shorter period of time than what is considered to be normal."
In addition, "influence on the cooling capacity of the refrigerating apparatus the above-mentioned
disadvantages can negatively affect the life of the apparatus", where the apparatus is a
Dometic or Norcold RV refrigerator. Then turn around and tell the public that the Fridge
Defend by ARP is not necessary.
Click here for more on boiler temperatures and failure of fridge.
Title/Link:
Absorption refrigerating apparatus constituted to prevent corrosion inside it.
This patent is an attempt to change "the construction is such, that corrosion, and by that obstruction
of the pump pipe is suppressed." which acknowledges that there is an ongoing issue with corrosion that
is being attempted to solve. But so far only the Fridge Defend by ARP has solved this issue.
Title/Link:
We have determined that a defect relating to motor
vehicle safety exists
Please note that this clearly
demonstrates that overheating of the fridge boiler
leads to
"
consequences of this fatigue failure can lead to the liquid solution slowly
leaking from the sealed pressurized cooling unit through a small crack which
could occur from the thermal expansion created
"
leading to a fire
"
ignited by the high temperatures
"
of the boiler assembly, or restated:
"
thereby possibly causing a fire
".
Title/Link:
Absorption Refrigeration Protective Controller (ARP Control).
Please note that the manufactures of the
refrigerators filed all of their
patents that related to boiler overheating and subsequent hazard after
our patent was published.
Title/Link:
Absorption refrigerator flame arrestor system and thermodisc, thermofuse, or thermal fuse.
If there is "an abnormal rise in temperature near
the boiler" requires a "containment system",
would it not be better to just keep the boiler from getting too hot like the Fridge Defend
already does?
Click here for more on Dometic "Thermofuse", "Thermal Fuse", or Thermal Switch" recall.
Title/Link:
Absorption refrigerator unit with temperature and level monitoring.
As soon as we are granted a patent for the Fridge Defend by ARP, Norcold applies for
"preventing the boiler from operating at high temperatures can avoid
consumption of sodium chromate, which can be used in the coolant mixture
to neutralize any corrosive effects of the ammonia solution
" patent. But, one cannot re-patent the same invention so the application was denied..
Click here for more on Norcold attempt to make the Fridge Defend for them self.
Title/Link:
Tilt monitor and stress controller for absorption type refrigerator.
It is clear that Dometic RV fridge "boiler can reach abnormally
high temperatures" so they deal with it by
"limiting the time of operation of the refrigerator",
would it not be better to just keep the boiler from getting too hot so you do not have to
buy a new refrigerator or suffer a failure that may be dangerous?
Click here for more on Dometic patent which does not protect the fridge nor the owner.
Title/Link:
Click here for more on Norcold comments to us and the NHTSA.
Norcold informs us that "heat
input to the cooling unit is not adjusted until a sensed temperature
of over 800°F. Such temperatures are only experienced at the location of
the Norcold sensor if the cooling system experiences a leak
", and a leak is the most common source of a fridge fire.
Title/Link:
Protect the cooling unit from corrosion is reduced at high temperatures (Less than 180°C).
Marked up Version of Above Document:
Download marked up document, page 67: " If a cooling unit is tilted more than a few
degrees the pumping will cease. This will cause a higher boiler temperature that will increase
the corrosion rate. "
"The whole unit operates by the heat applied to the boiler system and, for a good operation,
it is of paramount importance that this heat is kept within the necessary limits and is
properly applied ", therefore the Fridge Defend is required by this
statement. Just as the title
states, the Fridge Defend by ARP limits the boiler temperature by "protect the cooling unit from
corrosion is reduced at high temperatures (< 180°C)" when the
system pressure is set properly.
Title/Link:
Click here for more on the story
"Dometic exploding refrigerator. Caught early, and fire extinguished, but still totaled the fiver.
Oh, and by the way, all the Dometic "recalls" were up to date."
Title/Link:
Click here for more on the story
"I believe in the science regarding how the Norcold 1200 absorption works, or doesn't work.
I trust opinions which are based on science. My original 1200 worked GREAT for 7-1/2 years.
I suspect it would've gone longer if the Fridge Defend by ARP safety device had been installed"
Title/Link:
This post was removed from Face Book, the link is no longer valid, we do have the photo taken by
one of our customers:
"The fire was in Ocatillo Wells, Ca.
The people were gone at the time of the fire but they did loose their two dogs."
.jpg "Two Dogs Killed RV Fridge")
Title/Link:
Click here for more on the story.
"So sad! I just don't understand why folks won't make the small investment in the ARP
protection device to know that they are safe."
Title/Link:
Click here for more on the story.
"We just experienced a horrific fire caused by our Norcold refrigerator and we have suffered a million dollar
loss and lost everything."
Fridge Defend, a small investment with huge returns,
click this link for more on lethal fire.
Again, the fire inspector was reported to ask if the recall was installed?
See red circle in photo, Norcold recall was installed,
click this link for more on Norcold recall.
Title/Link:
Face Book Removed this story, apparently markening sales are damaged by these kinds of events.
Frankie and Miriam lost their motorhome, race car trailer and golf cart in a faulty electrical fire from the refrigerator in the motorhome (This is what the fire Marshall said in his investigation).
Here’s the result of going into a complete loss of control from the crude oil on the highway.
The refrigerator was on the high side, the ARP control you personally installed on our Norcold 1200
4 door RV refrigerated stop a fire from happening.
Title:
Racing family louses life style due to fridge fire.
Gary lost his coach, and could have lost his shop, race car, and trailer due to a fire from the refrigerator.
This fridge was fairly new, had the latest factory safety recalls. Did the recalls/factory safety prevent the fire?
Damage estimated at $30,000 for the trailer and $2,000 for the contents:
Face Book removed the post: Northwest Arctic Fox RV engulfed in flames. But, we have this photo if the fire.
The Fridge Defend, an ounce of prevention worth a ton of cure!
Title:
Neighbor pulls burning camper away from Scott home.
Click here for Louisiana News
This photo clearly shows that cause of the fire, the RV refrigerator. The source of a fire
is typically where the most damage is. This is because the origin of the fire is where the fire burns for the longest.
When will they ever learn?
Former students help retired Montville teacher rebuild after his home burns down:
It was “a dark moment,” Lynch said, watching the black smoke billowing into the sky as everything he
owned was engulfed in flames.
The Fridge Defend, an ounce of prevention worth a ton of cure!
Title:
Accidental fire causes $30k in damages to RV
Click here ABC 47 News
Yes, the fire is an accident, as opposed to purposely set. Those darn
refrigerators, there is a patteren to
them causing fires.
Title:
Dometic NDR 1062 Reported Fridge Fire
Click here for iRV2 posting
We went to remote campsite, took my time setting up made shure refrigerator was getting cold.
Went to Wendy's then Dollar General. Luckly our dog Kinkade was with us.
Upon return coming up the road to the campground there was smoke coming from the campground area.
My wife said that there must be another camper that came after we left and they built a fire?
The photo below shows what our RV looked like.
Title:
Norcold with the recall added.
Click here for iRV2 posting
The owner reported that they turned on their fridge to use the RV the next day.
One can always tell the source of a fire by the location of the major damage.
