Rv Trailer Water Tanks of 2025
Best Choice1
classAcustomsClass A Customs | 42 Gallon RV Concession Fresh Water Tank with Plumbing Kit & 12 Volt Water Pump | T-4200-BPK-PUMP
Main highlights- classAcustoms 12 VOLT Fresh Water Pump MODEL # 12V3 - FRESH WATER USE ONLY - OPEN FLOW 11.6LPM / 3.0GPM AMPS 4.0A MAX AMPS 8.0A SHUT OFF PRESSURE 45PSI/3.1 Bar ON-DEMAND PUMP only turns on when senses pressure changes in line 12 VOLT POWER ONLY 110/115/220 volt will damage the unit - READ INSTRUCTION BOOKLER BEFORE INSTALLATION
- TANK BUILT-IN FITTINGS: (TWO) 1.5" Female NPT Fitting - fitting is sealed and watertight, to use remove membrane with razor knife (TWO) .5" Female NPT Fitting - fitting is open DO NOT over-tighten fitting damage will occur, use plastic connecting fittings as metal will damage threads
- NON-PRESSURIZED TANK: tank must be vented allowing air in and out during use. DO NOT make a sealed connection with a garden hose directly to tank, this is a pressurized connection and will cause tank to explode causing damage. For filling tank it is recommended to use a fill dish or other gravity process.
- BASIC PLUMBING KIT INCLUDES - (TWO) 0.5” Hose Barb to 0.5” Male Pipe Thread Adaptor (FOUR) 0.5” Hose Clamp (ONE) 1.25” Hose Barb to 1.5” Male Pipe Thread Adaptor (TWO) 1.5” Hose Clamps (ONE) 1.5” Male Pipe Thread PVC Male Adaptor (ONE) 5ft. Section of 0.5” ID Vent/Draw Hose (ONE) 5ft. Section of 1.25” ID (1.375” OD) Fill Hose
- 42 Gallon Fresh Water Holding Tank Manufactured by Class A Customs - Made from NSF Approved Materials - Fresh & Drinking Water Safe WATER TANK MEASUREMENTS: 27.5” Longest Length (not including fittings) x 15.25” x 22.5 - Tank can sit on any side - rotate tank to change height or width Average Thickness 7/32” +/- Please view photos. (Due to the manufacturing process +/- .25" on each measurement)
9.8Exceptional
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Value for Money2
classAcustomsClass A Customs 48 Gallon RV Waste Black Water Holding Tank 56 x 30 x 9 WT-4800
8.7 worth the money8.7 materials Quality8.7 DurabilityWhy we love it
High-quality, durable material ensures long-lasting use.
Designed specifically for RVs and tiny houses.
Made in the USA, ensuring reliable quality.
9.7Exceptional
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3
classAcustomsClass A Customs | One (1) RV Fresh and Gray Water use 35 Gallon Tank | T-3500 | 38.75" X 12" X 17.375" | Camper and Concession Trailer/Food Truck
Main highlights- WATER TANK MEASUREMENTS: 38.75” Longest Length (not including fittings) x 12” x 17.375” Average thickness 7/32” +/- (+/- .25" on each measurement)
- TANK BUILT-IN FITTINGS: (TWO) 1.5" Female NPT Fitting - fitting is sealed and watertight, to use remove membrane with razor knife (TWO) .5" Female NPT Fitting - fitting is open DO NOT over-tighten fitting damage will occur, use plastic connecting fittings as metal will damage threads.
- Perfect for Concession and food vendor trucks and trailers
- NON-PRESSURIZED TANK: tank must be vented allowing air in and out during use. DO NOT make a sealed connection with a garden hose directly to tank, this is a pressurized connection and will cause tank to explode causing damage. For filling tank it is recommended to use a fill dish or other gravity process.
- Great extra water storage in RV, pop-up camper, off-road vehicles, concession trailers, hot dog carts, smaller food vendors and portable hand washing sinks. Class A Customs Manufactures this item in the USA in Elkhart, Indiana. Tanks are made in a warehouse clean each tank prior to use to remove any debris, scuffs or marking from the manufacturing process.
- 35 Gallon Fresh or Gray Water Holding Tank Manufactured by Class A Customs - Made from NSF Approved Materials - Fresh & Drinking Water Safe - Can be used for Fresh or Gray Water Storage
9.5Excellent
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4
Ameri-KartAmeri-Kart 19 Gallon RV Fresh Water Tank, Potable Water Storage Tank for Drinking, Cooking, Cleaning, Showering, for Campers, Trailers, Motorhomes, RVs, Cube Shape, 30" x 16" x 10" (WT-5450)
Main highlights- SPECIFICATIONS: RV tank dimensions - 30-Inch x 16-Inch x 10-Inch; Cube Shape; BPA-Free; QAI Laboratories certified; Proudly Made in the USA, manufactured by Ameri-Kart in Elkhart County, Indiana - the RV Capital of the World
- OEM QUALITY CONSTRUCTION: Ameri-Kart RV water tanks are made from weather resistant and impact-resistant plastics for durability; Tank is sanitary and leak-proof to ensure clean water and hygiene; Water storage tank meets IAPMO standards
- IMPORTANT INFO: Do not pressurize tank; Do not hang tank by straps or place weight on it; Tank does not include hardware, mounting hardware, gate valves, piping, hoses, or fittings; Empty the water tank when not in use and clean at least once per year
- EASY TO INSTALL WATER STORAGE TANK: Fitting locations allow multiple options for installation of the 19 gallon water tank; Built-in fittings include (TWO) 1.5" balloon style threaded female NPT standard and (TWO) 0.5" threaded female NPT standard
- 19 GALLON RV WATER TANK: Ameri-Kart fresh water tanks are MADE IN USA from BPA-Free materials; This tank is for potable water for drinking, cooking, showering, and washing dishes in recreational vehicles, motor homes, trailers, campers, and tiny houses
9.4Excellent
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5
classAcustomsClass A Customs | T-2000 | One (1) RV Fresh Water 20 Gallon Tank, Grey Water
9.5 worth the money9.3 materials Quality9.1 lasts a long timeWhy we love it
Made from NSF approved, safe materials.
Versatile fitting options for easy installation.
Ideal for various mobile and stationary uses.
9.1Excellent
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6
Class A CustomsClass A Customs | UM-2000 | One (1) UnderMount 20 Gallon RV Fresh and Gray Water Holding Tank RV Concession
Main highlights- WATER TANK MEASUREMENTS: 48” Longest Length (not including fittings) x 8.5” height x 13” width - Tank can sit on any side - rotate tank to change height or width Average Thickness 7/32” +/- Please view photos. (Due to the manufacturing process +/- .25" on each measurement)
- TANK BUILT-IN FITTINGS: (TWO) 1.5" Female NPT Fitting - fitting is sealed and water-tight, to use remove membrane with razor knife (TWO) .5" Female NPT Fitting - fitting is open DO NOT Over-tighten fitting damage will occur – Use plastic threaded fittings, metal threads may damage tank fittings
- NON-PRESSURIZED TANK: tank must be vented allowing air in and out during use. DO NOT make a sealed connection with a garden hose directly to tank, this is a pressurized connection and will cause tank to explode causing damage. For filling tank it is recommended to use a fill dish or other gravity process.
- Great extra water storage in RV, pop-up camper, off-road vehicles, concession trailers, hot dog carts, smaller food vendors and portable hand washing sinks. Class A Customs Manufactures this item in the USA in Elkhart, Indiana. Tanks are made in a warehouse clean each tank prior to use to remove any debris, scuffs or marking from the manufacturing process.
- 20 Gallon Fresh or Gray Water Holding Tank Manufactured by Class A Customs - Made from NSF Approved Materials - Fresh & Drinking Water Safe - Can be used for Fresh or Gray Water Storage
9.0Excellent
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7
classAcustomsClass A Customs | 20 Gallon RV Concession Fresh Water Tank with Plumbing Kit & 12 Volt Water Pump | T-2000-BPK-PUMP
Main highlights- classAcustoms 12 VOLT Fresh Water Pump MODEL # 12V3 - FRESH WATER USE ONLY - OPEN FLOW 11.6LPM / 3.0GPM AMPS 4.0A MAX AMPS 8.0A SHUT OFF PRESSURE 45PSI/3.1 Bar ON-DEMAND PUMP only turns on when senses pressure changes in line 12 VOLT POWER ONLY 110/115/220 volt will damage the unit - READ INSTRUCTION BOOKLER BEFORE INSTALLATION
- TANK BUILT-IN FITTINGS: (TWO) 1.5" Female NPT Fitting - fitting is sealed and watertight, to use remove membrane with razor knife (TWO) .5" Female NPT Fitting - fitting is open DO NOT over-tighten fitting damage will occur, use plastic connecting fittings as metal will damage threads.
- NON-PRESSURIZED TANK: tank must be vented allowing air in and out during use. DO NOT make a sealed connection with a garden hose directly to tank, this is a pressurized connection and will cause tank to explode causing damage. For filling tank it is recommended to use a fill dish or other gravity process.
- BASIC PLUMBING KIT INCLUDES - (TWO) 0.5” Hose Barb to 0.5” Male Pipe Thread Adaptor (FOUR) 0.5” Hose Clamp (ONE) 1.25” Hose Barb to 1.5” Male Pipe Thread Adaptor (TWO) 1.5” Hose Clamps (ONE) 1.5” Male Pipe Thread PVC Male Adaptor (ONE) 5ft. Section of 0.5” ID Vent/Draw Hose (ONE) 5ft. Section of 1.25” ID (1.375” OD) Fill Hose
- 20 Gallon Fresh Water Holding Tank Manufactured by Class A Customs - Made from NSF Approved Materials - Fresh & Drinking Water Safe WATER TANK MEASUREMENTS: 32.5” Longest Length (not including fittings) x 11.75” x 11.75” - Tank can sit on any side - rotate tank to change height or width Average Thickness 7/32” +/- Please view photos. (Due to the manufacturing process +/- .25" on each measurement)
8.9Very Good
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8
BISELONG110V-120V 1440-1500W Small Under Sink Tank 2.5 Gallon Water Heater Hot Storage,Mini Instant Electric RV TR Trailer Kitchen Compact,Food Truck 2 PCs 16” Long 1/2”FIP Stainless Steel Hose (BI-2.5)
8.9 Tech Support8.9 materials Quality8.4 Easy installationWhy we love it
Highly energy efficient.
Compact and space-saving.
Quick and easy installation.
8.6Very Good
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9
classAcustomsClass A Customs | T-4000 | One (1) RV Fresh Water 40 Gallon Tank, Grey Water
Main highlights- WATER TANK MEASUREMENTS: 39 1/2” Longest Length (not including fittings) x 13” x 18” - Tank can sit on any side - rotate tank to change height or width Average Thickness 7/32” +/- Please view photos. (Due to the manufacturing process +/- .25" on each measurement)
- TANK BUILT-IN FITTINGS: (TWO) 1.5" Female NPT Fitting - fitting is sealed and watertight, to use remove membrane with razor knife (TWO) .5" Female NPT Fitting - fitting is open DO NOT over-tighten fitting damage will occur, use plastic connecting fittings as metal will damage threads.
- NON-PRESSURIZED TANK: tank must be vented allowing air in and out during use. DO NOT make a sealed connection with a garden hose directly to tank, this is a pressurized connection and will cause tank to explode causing damage. For filling tank it is recommended to use a fill dish or other gravity process.
- Great extra water storage in RV, pop-up camper, off-road vehicles, concession trailers, hot dog carts, smaller food vendors and portable hand washing sinks. Class A Customs Manufactures this item in the USA in Elkhart, Indiana. Tanks are made in a warehouse clean each tank prior to use to remove any debris, scuffs or marking from the manufacturing process.
- 40 Gallon Fresh or Gray Water Holding Tank Manufactured by Class A Customs - Made from NSF Approved Materials - Fresh & Drinking Water Safe - Can be used for Fresh or Gray Water Storage
8.3Good
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10
classAcustomsClass A Customs 40 Gallon RV Waste Black Water Holding Tank WT-4000
Main highlights- NOT INCLUDED Inlet and Vent Fittings / Additional Fittings / Hardware / Mounting Hardware / Dump Valve / Piping NOT INCLUDED
- INSTALLED OUTLET 3” ABS Female Pipe - outlet can not be moved DO NOT over-tighten fittings damage will occur Dump valves do not hook directly to the 3" ABS fitting, from the outlet run PVC or ABS piping (not included), dump valve (not included) is added to the piping.
- INLET & VENT INSTALLATION Class A Customs Black Water Tanks only come with the outlet the end user will determine where the inlet and vent will need to be placed and install, hardware NOT included. TANK MUST BE VENTED allowing air in and out when in use. *DO NOT PRESSURIZE TANK* DO NOT over-tighten fittings damage will occur.
- 40 Gallon RV Waste Water Holding Tank MADE IN THE USA by Class A Customs using Medium Density Polyethylene (MDPE) Resin TANK NOT FOR FRESH OR DRINKING WATER USE – WASTE/GRAY WATER USE ONLY – Used in RV’s Campers, Trailers, Motorhomes and Tiny Houses
8.0Good
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