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Fresh or Gray Water Tank (White Tanks) Information begins at the top of the page
Waste or Gray Water Tank (Black Tanks) Information begins at the bottom of the page
Do you actually make the tanks or do you just sell them?
Where are your tanks made?
Do you have any distributors or other locations?
Class A Customs is located in Elkhart, Indiana USA, we make all of our tanks here on location, we do not have any other locations and we do not have any distributors.


TANK MANUFACTURING PROCESS



What are your tanks made from?
Fresh/Gray Water Tanks & fittings made from DOW NSF International NSF/ANSI Std 61 approved Medium Density Polyethylene (MDPE) Resin this is an NSF Certified Material

Waste Tanks are made from the same material except it is recycled and has a hardener added to the material, this means we can not verify all the contaminants that could be in it so Gray or Waste Water use only.

Material cleans easily and glues do not stick to this material. Stain, Corrosion and Rust Resistant.
The fittings are not glued into the tanks, view below for how fittings are installed.



Complies with:
U.S. FDA 21 CFR 177.1520 (c)3.1a
Canadian HPFB No Objection
Underwriters Laboratories Inc.
EU, 10/2011
NSF International NSF/ANSI Std 61 (sec 4 & 5)


Do you use BPA in or on the tanks?
Class A Customs does not carry this chemical nor uses it in the manufacturing process in any way.



Is there an NSF Logo in the tank?
Can I get an NSF Logo Sticker?
Can you add the NSF Logo to my tank?
No, please view below for a full explanation or you can go to our Blog Post No NSF Logo in Fresh and Gray Water Holding Tanks - See Why
You can also print out Class A Customs NSF Letter to give to your Health Department before purchasing.




How thick is the tank?
Do they have seams that could leak?
Average tank thickness: .219 or 7/32" thick (just under 1/4")
All Class A Customs Water Tanks are one-piece seamless construction.


What side do the tanks sit on?
Can I rotate the tank?
The tank can be placed on any side but must be braced and secured.


Can the tank sit in the sun?
Yes, the tanks are UV-8 Stabilization, however this is not an algae or mold prevention. You will need to keep your tank clean and sanitized.


Will the tank material handle ___________ chemical?
Fresh/Gray Water Tanks & fittings made from DOW NSF International NSF/ANSI Std 61 approved Medium Density Polyethylene (MDPE) Resin and are to be used for Fresh or Gray Water only, using the tank for any other purpose voids any warranty. We are not aware if the tanks can withstand placing other chemicals onto the tank such as spray foams, paints, adhesives. You would need to verify this information.



Can I put boiling water into the tank?
Can I put hot water into the tank?
No, you can not put boiling water into the tank, boiling water is 212 °F (100 °C) Domestic hot - The temperature used during testing is 60 +/- 2°C (140 +/- 4 °F) and appears in NSF Listings Page as "D. Hot". This is intended to apply to product applications where the product is used for either cold (ambient temperatures) or hot water up to domestic hot temperatures.

What type of warranty does the tank come with?





TANK USES & REFERENCE



What can your tanks be used for?
The Fresh/Gray tanks (white in color) can be used for Fresh or Drinking Water. These can be used in a multitude of applications from RVs, Food Vendors, extra water storage such as Tiny Houses and Overlanding. They can be placed inside or outside but will need to be braced and secured.

The Black/Gray tanks (black in color) are to be used for waste water only, do not use these for fresh or drinking water.



Do you have a list of what vehicles your tank fits into?
Do you know if other people have used this tank for_____?
What tanks do I need for _______ state to make a concession trailer?
We do not have a list of vehicles, uses or projects people have done with our tanks, please compare the specs of the tank with your application and determine if tank will fit your needs. Check with online groups that have your same vehicle to see where they have found tanks.
For food vendors you will need to check with your inspecting Health Department on rules and requirements.

To see the tanks in an easier format with measurements and fittings view our Water Tank List (located at the top of each page).





SANITIZE TANKS



What should I do when I get the tank?
How do I sanitize the water tank?
You will need to sanitize your fresh tank before use, there will be debris inside the tank from the manufacturing process.



The tank smells like a candle?
There is a strange taste in the water supply.
Freshly made tanks may smell but it will disappear over time with exposure to air and water.
If you have a strange taste in your water supply be sure you have used all food safe fittings and sealants or pipe tape, the tank will not give any taste to the water supply.



CUSTOM WATER TANKS




Can you make me a Custom Water Tank?
We can make a custom tank
  • You would need to prepay to have a mold made this ranges from $9,000 and up, lead time can be 8 weeks or more.
  • You would need to place a prepaid PO of a qty of tanks per month/per year, your sales associate would confirm this number, before the mold would be made.
  • You can fill-out our new Water Tank Build to get a quote on a custom tank.
Our Water Tank List is located at the top of each page with our current tanks.




Can I get a tank with no fittings installed?
Yes, Class A Customs calls these Blank Tanks. You will need to call or use the Contact Us Form to see the wait time for Blank Tanks.





PLUMBING & FITTINGS


Can I pressurize your tanks?
Can I fill the tank with a garden hose connected?
How do I fill the fresh water tank?
No, all tanks Class A Customs manufactures must be vented (allow air in/out during use).
Do not make a sealed pressurized connection to the water tank (garden hose screwed to fitting that fills tank), tanks must be gravity filled.
We recommend using a gravity fill dish to fill the fresh water tanks, view below.


How do I set-up my plumbing?
Do you have a basic plumbing example?
What is a gravity fill dish?
Can I fill the tank another way if I am not able to use a fill dish?




How thick is the tank?
Do they have seams that could leak?
Average tank thickness: .219 or 7/32" thick (just under 1/4")
All Class A Customs Water Tanks are one-piece seamless construction.



What side do the tanks sit on?
Can I rotate the tank?
The tank can be placed on any side but must be braced and secured.



What fittings are installed on the tank?
This will depend on the tank, please be sure to view the tank listing page for details.






What side are the fittings on?
Are the fittings on both ends of the tank?
Can I have the fittings moved?
Can you add extra fittings to the tank?
Can I cut a hole in the tank and glue another fitting in?
Can I get a tank with no fittings?
Be sure to view the water tank page and scroll through the photos of the tank as the fitting location will be given along with the size of the fittings.
Blank Tanks are available, see below on how to order.

Class A Customs no longer offers custom fittings unless you are ordering 50 or more of the same tanks per order.
We offer Uniseal fittings that allow the end user to place a fitting anywhere in the tank. Installation video and sizes.
Fittings that are built into the tank are Spun Welded into the tank, we do not sell these fittings.



Can I put the tank in the bed of my truck?
Can I put the tank on a wagon?
You can mount the tank in any location you would like, you will need to be sure to brace and secure the tank during transit.
For the inlet you can use a number of option, examples are below, we are not aware of what items you will need for your set-up.







Can I stand the tank up on end so all the fittings are at the top?
How do I get water out of the tank with the fittings at the top?

You can rotate the tanks on any side, fitting placement will vary by tank, please be sure to view the tank photos on the tank details page.
The easiest option is to add a Uniseal fitting (described just up the page) to the bottom of the tank to draw water from the bottom while filling at the top.






I need a clean-out hole for my tank.
We do not offer clean-out ports at this time but there are many options online that allow you to install the needed clean-out port.
You could install a Uniseal fitting into your tank and as long as you have a smooth sided deck mount this could be fitting into the Uniseal.

You will need to verify if items will fit your application, such as being food safe, we are not aware of this.






How do I set-up my Gray Water Tank?
Where does the dump valve go on the tank?
The dump valve does not hook to the tank. The fittings you need will depend on the piping you will be using.




Can I let the tank freeze with water in it?
No, you should not let your tank, water pump or plumbing freeze with water in them. A small amount of water in the tank will not damage the tank as the freezing water will have room to expand.




BRACING & SUPPORTING



Can I put the tank under my trailer?
Do I need to brace or support the tank?
Do you have supports, brackets, or mounting hardware?
Yes, you will need to brace your tank, we sell "J" style brackets that will work with our Waste Tanks that have lips.


Can I stack the water tanks on top of each other?
Can I put weight on the tanks?
No, do not place anything on the tanks, if you need to stack the tanks you will need a weight bearing shelf between them.



How thick is the tank?
Do they have seams that could leak?
Average tank thickness: .219 or 7/32" thick (just under 1/4")
All Class A Customs Water Tanks are one-piece seamless construction.



What side do the tanks sit on?
Can I rotate the tank?
The tank can be placed on any side but must be braced and secured.





MONITORING WATER LEVELS




allow you to monitor the amount of fluid in your water and waste tanks along with the battery power level. Typically only one monitor panel (2 tank or 3 tank) is needed per vehicle/unit and 4 Probes per tank.

To check fluid levels, press and hold the button designated for the tank and read the level indicators on the panel. Sometimes, residue on the sides of a tank, or water with a low mineral content will give a false reading.
Check the levels occasionally when you are sure of a tank’s contents and compare it to the reading on the monitor panel.

4 Probes per tank needed

3/8" drill bit needed Measure and mark installation points before drilling. After drilling be sure to remove any burs from hole. Do not over-tighten probes.

Tank harnesses included with monitor panel. Customer will need to provide the extra wiring to run from the tank harness to the monitor panel. View wiring diagram for wire gauges ( 20 AWG / 14 AWG)




NSF LOGO




Why is there no NSF logo in the tank?
Class A Customs NSF Letter

Class A Customs was required to remove the NSF logo from all water tanks in June 2020, the tanks continue to be made from the same NSF Certified Materials, built in the same way, built on the same machines, and built in the same building here at Class A Customs. The NSF Company does not allow for end users of NSF Certified Materials to use the NSF logo unless each kind of item that is produced has a certification paid for each year. This would mean every style of tank we make, even though they are made using the same NSF Certified Materials, made in the same process, made on the same machine, we would need to pay to use the logo on each item every year.

All of Class A Customs Fresh/Gray water tanks are manufactured using DOW NSF International NSF/ANSI Std 61 approved Medium Density Polyethylene (MDPE) Resin Because Class A Customs was verified to used and continues to use NSF Certified Materials to build our tanks we are allow to link directly to the NSF website materials page and are allowed to state the tanks are made from NSF Certified Materials.

The NSF associate Class A Customs was contacted by and worked with was;
Antonio Acree
Quality Representative, Quality & Compliance
[email protected]

NSF International | nsf.org
789 N. Dixboro Road, Ann Arbor, MI, 48105, U.S.A
1-800-NSF-MARK


Your inspector can validate this information with NSF by contacting them directly.
Ask your local Health Department to provide you with a list of water tank manufacturers that have the NSF logo built into the water tank.
To see the tanks in an easier format with measurements and fittings view our Water Tank List (located at the top of each page).


Can I get an NSF logo on my tank?
No. Customer say they will pay to have the logo in a tank however, this would require a mold change, an inspection fee for the specific tank and a yearly inspection fee due to the mold of the tank being changed.



Codes vary by local health departments, not state.
We are not aware of the codes or rules. We are not aware of what tanks or items you need.
  • Ask your local Health Department to provide you with a list of water tank manufacturers that have the NSF logo built into the water tank.
  • Forward the documents and tank information provided on the Class A Customs website to your local health department before purchasing to be sure these tanks will pass your local inspection, this is your responsibility.
  • Class A Customs NSF Letter this letter has all fresh/gray tank sizes, part #'s, measurements and fittings, along with material tank is made from.









RV WASTE & GRAY TANKS




Waste & Gray Water Tanks
Used for Human Waste or Gray Water - DO NOT use for fresh or drinking water

Made With 
Recycled Medium Density Polyethylene (MDPE) Resin - glues do not stick to this material and easily cleaned. - Because product is recycled and intended for waste and gray water use it is not tested for safety of drinking or gardening water supply.

Non-pressurized Tank
all tanks we carry must be vented (allow air in/out during use), Plumbing Example

Seamless
One-piece seamless construction, no seams to burst Average tank thickness: .219 or 7/32" thick (just under 1/4")

Resistant
Stain, Corrosion and Rust Resistant

Color 
Black in color so tank is easily identified as a waste tank


Water Tank List  (located at the top of each page).Water Tank List




WASTE TANK PLUMBING & FITTINGS



NO INLET & NO VENT
Class A Customs Waste Water Tanks only come with the ABS outlet installed, the end user will determine where the inlet and vent will need to be placed and install (parts are not included). End user will need to determine size of grommets/Uniseal to be used based on piping and/or toilet flange pipe size.

are not food safe so can only be used for Gray or Waste Water use they are available in sizes 1.5" and 3", no adhesives are needed for use, can be used with hose clamp.

are food safe and can be used for Fresh, Gray, or Waste Water use, they are available in size .5" to 3", no adhesives are needed for use.







INSTALLED OUTLET
Outlet can not be moved on the tanks.
We sell ABS Outlets that you can replace a damaged Outlet or change an outlet if desired.


3” ABS Female Pipe
1.5" ABS Female Pipe 
Due to the smaller outlet a 1.5" ABS is typically used for dirty water from shower, handwashing, dish-washing, but not human waste.
You can use a 3" ABS Outlet and reduce it down to a 1.5"  to use a 1.5" pipe.









do not hook directly to the ABS fittings, the ABS Outlets are female fittings and the dump valves are also female fittings, you will need a pipe to fit inside of the outlet and dump valve in order to make the connection.

From the ABS outlet that is installed in the tank run PVC Pipe or ABS Pipe to the outside of the trailer, a dump valve is added to the piping.

Pipe is connected to the ABS installed fitting in the tank with glue. You do not need to tighten the clamp that is on the ABS Fitting, this is used when the ABS fitting is installed into the tank and does not help secure your piping, over-tightening this clamp will damage ABS fitting and tank
We do not sell glues, example only Oatey 4-fl oz Green PVC/Abs Transition Cement






MOUNTING & BRACING



How do you brace the tanks?
Do you sell mounting straps?
Do you sell mounting brackets?

Some of the Class A Customs Waste Water Tanks are built with a "lip" on the tank. Tanks can be hung by this lip, it is recommended to make a shelf to slide the tank lip into.
You will need to brace the tank on all sides to prevent movement of the tank.

Due to the variety of installations we do not carry brackets or bracing systems. Do Not hang by ratchet strap, this is too thin and will not adequately support tank.
Typical applications include using angle iron to make a track to slide tanks with lips into (example photo above), grate system, machine shop metal brackets, etc.



DO NOT HANG TANKS BY STRAPS - DO NOT HANG BY CLOTH STRAPS

Can I stack the water tanks on top of each other?
Can I put weight on the tanks?
No, do not place anything on the tanks, if you need to stack the tanks you will need a weight bearing shelf between them. A gallon of water weighs roughly 8.34 pounds, so a 40 gallon water tank when full is over 335 pounds in weight.




REMOVING & INSTALLING WASTE TANKS




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