Top 10 Grey Water Tank Drain – RV Black Water Tanks

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1. Camco


Camco 22990 25ft RhinoFLEX 5/8" ID Gray/Black Water Tank Clean Out Hose | Ideal For Flushing Black Water, Grey Water or Tote Tanks , Orange

Camco #ad - Compatible with standard garden hose threads. Ideal for flushing black water, grey water or tote tanks. Made of durable PVC. Bright orange color helps prevent hose mix ups. Keep contaminants separate from your drinking water hose or garden hose.
BrandCamco #ad
ManufacturerCamco #ad
Height11.75 Inches
Length3.81 Inches
Weight3 Pounds
Width10.69 Inches
Part Number22990
Warranty1 Year Limited

2. Camco


Camco Durable Sewer Cap with Hose Connection- Caps the Sewer Connection to Prevent Leaks, Easy Install and Simple Use 39463

Camco #ad - Caps with hose connection that allows to drain grey water tank easily. Easy to install and easy to use. Bayonet style tabs lock securely to rv drain valve. Caps the sewer connection to prevent leaks. Made of highly durable plastic.
BrandCamco #ad
ManufacturerCamco #ad
Height1 Inches
Length1 Inches
Weight0.05 Pounds
Width1 Inches
Part Number39463
Warranty1 year against manufacturing defects

3. Camco


40 Gallon Holding Tanks 64 Ounce Bottle, Stops Sink Trap Odors, Camco TST Lemon Scent RV Grey Water Odor Control, Sink Traps and Waste Vents, For Use In Drains, Treats up to 16, 40256

Camco #ad - 64 oz Bottle. Fresh lemon scent. Remove grease buildup in your gray water system. 4 ounces treats 40 gallon gray water tank. Eliminates odors.
BrandCamco #ad
ManufacturerCamco #ad
Height3.5 Inches
Length9.4 Inches
Weight1 Pounds
Width4.55 Inches
Part Number40256

4. Thetford


RV Grey Water Tank Treatment, 24 oz, Grey Water Odor Control, Thetford 15842

Thetford #ad - Pleasant floral scent. Versatility: thetford's grey water odor control is designed to eliminate and prevent offensive odors in RV grey water holding tanks, drains, showers, vents, and traps of sinks.

Utility: prevents grease build-up in grey water holding tank, eliminating the source of offensive odors. Safety: grey water odor control is a 100% biodegradable liquid acting as a deodorant and detergent. Easy to manage 24 ounce bottle. Non-staining, 100 percent biodegradable formula. Eliminates grey water odors in RV drains and vents; No chlorine or solvents to damage valve seals. Convenience: Formulated without chlorine or solvents to damage valve seals. Prevents and removes grease build-up. Functionality: Dissolves cooking grease and cleaning residues.
BrandThetford #ad
ManufacturerThetford #ad
Height2.5 Inches
Length8.5 Inches
Weight1.69 Pounds
Width3.5 Inches
Part Number15842

5. Walex


Walex Elemonate RV Grey Water Deodorizer & Freshener, Lemon Scent Pack of 5

Walex #ad - Dissolves grease and organic sludge from drain lines and grey tank. Rapid dissolve tablet. Freshens sink and drain lines. Bio-degradable. Deodorizes grey tank.
BrandWalex #ad
ManufacturerWalex Products Company, Inc #ad
Height9.25 Inches
Length2.01 Inches
Weight0.54 Pounds
Width7.99 Inches
Part NumberELEMBG
Warranty2 years

6. Valterra


Black, 1-1/2" x 3/4", Valterra T01-0091VP Swivel Drain Connector, 90°

Valterra #ad - Package weight : 0045 kilograms. Country of Origin : Mexico. Package dimensions: 1. 27 l x 18. 034 h x 9. 652 w centimeters. Drain connector for draining grey-water tanks.
BrandValterra #ad
ManufacturerValterra Products LLC #ad
Height0.31 Inches
Length0.93 Inches
Weight0.06 Pounds
Width0.62 Inches
Part NumberT01-0091VP

7. Camco


Camco 39501 1.5" Waste Valve with Metal Handle- Easily Replace Worn or Damaged Waste Valves, Includes Gaskets and Installation Hardware,Black

Camco #ad - Compatibility: compatible with systems that require a 1 ½-inch diameter passage. Replacement valve: replacement waste valve for your RV’s grey water tank; Helps your RV sanitation system work properly. Features: Metal handle for durability. Easy to use: valve's 1 ½-inch diameter passage allows waste water to travel freely when the valve is open. Includes: 1 valve body, 4 nuts and 4 bolts.
BrandCamco #ad
ManufacturerCamco #ad
Height15.5 Inches
Length0.8 Inches
Weight0.49 Pounds
Width5.8 Inches
Part Number39501
Warranty1 Year Manufacturer

8. Valterra


Gray, Trailers, 1/2" x 25', Campers, Valterra Flushing Hose for RVs

Valterra #ad - Easy installation: Included hose grippers make it easy to install on your RV. Rv non-drinking water hose: This gray hose is designed for non-drinking water usage including flushing devices that clean waste tanks. Durable construction: Hose and attachments are durable for years of quality use. Versatile: this hose can also be used as a gray water drainage hose. Gray color: the gray color makes it easy to distinguish from your white drinking water hose for best safety practices.
BrandValterra #ad
ManufacturerValterra Products LLC #ad
Height0.46 Inches
Length1.39 Inches
Weight1.75 Pounds
Width1.39 Inches
Part NumberW01-4300



Food Grade Safety & Lightweight & Durable, VINGLI 10 Gallon Tote Tank| Portable Wheeled Fresh Water Tank for Camping/Picnic/Camper/RV

VINGLI #ad - Package includes ONLY ONE tank. Warm tip: high temperature hot water is not allowed. It’s more suitable to store fresh water for cleaning food and hands. Also it features storage compartments to store matched hose and faucet accessories.

But we suggest not to contain direct drinking water. Special holes are available for extended handle to meet different needs. Food grade safety: plastic #2 hdpe means that the tank can be used to store fresh water for drinking. Easy to rinse: large diameter outlet allows quick filling and draining. Portable: integrated handles & 2 large wheels promote convenience in transportation.

Lightweight, only weighs 9. 3 lbs. 10 gallon capacity: really a great companion for your outdoor camping, picnics, barbecues and RV adventures. Anti-sticky surface of HDPE material promotes easy cleaning. Ready to use: no extra tools are needed for installation. Extended handle is not available.
BrandVINGLI #ad
ManufacturerVINGLI-Direct #ad
Part NumberVLtank247250N

10. Barker


Barker 24130 3" Auto Drain

Barker #ad - Amperage: 200 mA. Cycle time: 4 seconds for 3" model. Compatibility: Valterra and Bristol 3" waste valves not included. Voltage: 12V DC. Please ensure items are the correct size for your RV or water tank before ordering.
BrandBarker #ad
ManufacturerBarker #ad
Height6.4 Inches
Length5.8 Inches
Weight2.25 Pounds
Width2 Inches
Part Number24130