Updated: 17 Feb 2025

travel trailer grey water tanks

Updated: 17 Feb 2025

#1

Best Choice
Ameri-Kart HT-293 Side Discharge 32 Gallon RV Gray Water Holding Tank for Campers, Trailers, and RVs, 63-Inch x 24-Inch x 7.25-Inch

9.9

Ameri-Kart

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Main highlights

EASY TO INSTALL - gray water holding tanks are a critical component to all recreational vehicles - Includes 1.5" OUTLET - Inlet and vent locations determined by user during installation - hardware not included - TANK MUST BE VENTED when in use - DO NOT PRESSURIZE TANK

DURABLE & RELIABLE - OEM quality tank made from weather resistant and impact-resistant plastics. RV Holding Tank design prevents leaks and ensures long service life. Built to standards specified by IAPMO (International Association of Plumbing and Mechanical Officials). All gray water tanks are QAI Laboraties certified to meet industry-required standards

32 GALLON TANK - RV gray water holding tank MADE IN THE USA - Gray water only - NOT FOR WASTE OR FRESH OR DRINKING WATER USE - Perfect for motorhomes, trailers, tiny houses, RVs and campers
#2

Value for Money
Class A Customs | 42 Gallon RV Concession Fresh Water Tank with Plumbing Kit & 12 Volt Water Pump | T-4200-BPK-PUMP

9.8

classAcustoms

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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.

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)
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#3
Class A Customs 40 Gallon RV Waste Black Water Holding Tank WT-4000

9.5

classAcustoms

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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
#4
A.A 42 Gallon RV Fresh/Gray Water Tank 39" x 18" x 14" - BPA Free (42 Gallon)

9.3

A.A

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This 42 gallon water tank measures 39" x 18" x 14" (not including fittings)

These rotational molded fresh water tanks are made from a high quality durable polyethylene material.

All tanks come with (1) 1.25" water fill inlet and (3) 3/8" NPT connections. Non-Pressurized Tank - The tank must be vented
#5
Class A Customs | T-4000 | One (1) RV Fresh Water 40 Gallon Tank, Grey Water

9.0

classAcustoms

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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.

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
#6
Ameri-Kart 40 Gallon RV Fresh Water Tank for Drinking and Potable Water, for Campers, Trailers, and RVs, WT-5550, 31-Inch x 19-Inch x 17-Inch

8.9

Ameri-Kart

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Main highlights

EASY TO INSTALL - fresh water tanks are a critical component to all recreational vehicles - Fitting locations allow multiple options for installation. Built-in fittings include: (TWO) 1.5" balloon Style Threaded Female NPT standard - fittings are sealed, to use remove inner membrane with a razor knife. (TWO) 0.5" Threaded female NPT standard - fittings are plugged, to use remove threaded plugs. Hardware not included - DO NOT PRESSURIZE TANK. DO NOT HANG TANK BY STRAPS OR PLACE WEIGHT ON TANK.

DURABLE & RELIABLE - OEM quality tank made from weather resistant and impact-resistant plastics. RV Fresh Water Tank design prevents leaks and ensures long service life. Built to standards specified by IAPMO (International Association of Plumbing and Mechanical Officials).

40 GALLON TANK - Ameri-Kart Fresh water tanks are MADE IN THE USA - BPA-Free Fresh Water Tanks are for CLEAN DRINKING WATER USE - Perfect for motorhomes, trailers, tiny houses, RVs and campers
#7
Class A Customs | UM-2000 | One (1) UnderMount 20 Gallon RV Fresh and Gray Water Holding Tank RV Concession

8.8

Class A Customs

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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

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
#8
RecPro RV Water Tank | Gray Water Tank | RV Fresh Water Tank | Camper | Trailer (42 Gallon)

8.6

RecPro

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Main highlights

Proudly Made In USA - Rest assured that you are getting a high-quality product made right here in the USA. Our commitment to quality means you can trust this water tank to last for miles on the road.

Made For Your RV - This RecPro water tank is specifically designed for RV and trailer camping. Its sturdy construction using polyethylene material ensures it can withstand the rigors of travel and provide a reliable source of fresh drinking water during your adventures.

Endless Supply Of Clean Water - With a capacity to hold 40 gallons of drinking water, our RV freshwater tank will keep you and your family hydrated throughout your travels. And in case of emergencies, it can also serve as a backup supply.
#9
Class A Customs | T-4100-BPK | One (1) RV Fresh Water 41 Gallon Tank, Grey Water | Made in The U.S.A. | RV Concession Food Truck and Camper | Basic Plumbing Kit Included

8.4

classAcustoms

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WATER TANK MEASUREMENTS: 39 ” Longest Length (not including fittings) x 16” x 16.625” - 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.

41 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
#10
Class A Customs | T-4600 | One (1) RV Fresh Water 46 Gallon Tank, Grey Water

8.2

classAcustoms

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WATER TANK MEASUREMENTS: 42” Longest Length (not including fittings) x 14” 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.

46 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

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travel trailer grey water tanks

Ameri-Kart HT-293 Side Discharge 32 Gallon RV Gray Water Holding Tank for Campers, Trailers, and RVs, 63-Inch x 24-Inch x 7.25-Inch

9.9

Main highlights

Class A Customs | 42 Gallon RV Concession Fresh Water Tank with Plumbing Kit & 12 Volt Water Pump | T-4200-BPK-PUMP

9.8

Main highlights

Class A Customs 40 Gallon RV Waste Black Water Holding Tank WT-4000

9.5

Main highlights

A.A 42 Gallon RV Fresh/Gray Water Tank 39" x 18" x 14" - BPA Free (42 Gallon)

9.3

Main highlights

Class A Customs | T-4000 | One (1) RV Fresh Water 40 Gallon Tank, Grey Water

9.0

Main highlights

Ameri-Kart 40 Gallon RV Fresh Water Tank for Drinking and Potable Water, for Campers, Trailers, and RVs, WT-5550, 31-Inch x 19-Inch x 17-Inch

8.9

Main highlights

Class A Customs | UM-2000 | One (1) UnderMount 20 Gallon RV Fresh and Gray Water Holding Tank RV Concession

8.8

Main highlights

RecPro RV Water Tank | Gray Water Tank | RV Fresh Water Tank | Camper | Trailer (42 Gallon)

8.6

Main highlights

Class A Customs | T-4100-BPK | One (1) RV Fresh Water 41 Gallon Tank, Grey Water | Made in The U.S.A. | RV Concession Food Truck and Camper | Basic Plumbing Kit Included

8.4

Main highlights

Class A Customs | T-4600 | One (1) RV Fresh Water 46 Gallon Tank, Grey Water

8.2

Main highlights

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