Recommended Waste Valve Cap and Treatment Formula for a Black Tank
Updated 01/12/2026 | Published 09/03/2024
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Question:
Looking for a 3 inch sewer cap for my 2010 casita-Valterra system could not find on your website? Do you have? also, do you carry any treatments for valterra valve systems? Tks, TRH
asked by: Terry R
Expert Reply:
Hey Terry, it sounds like you're looking for the Valterra RV Waste Valve Cap # T1020. As far as treatments go, you can use the Valterra Septic Power Septic System Treatment # V44001. This is a non-toxic, biodegradable biological enzyme/bacterial formula that breaks down waste and tissue, and only uses 2 ounces to treat 40 gallons.
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Replacement Operator, Knob and Screw for Ventline Ventadome Trailer Roof Vents w/ Wedge-Shaped Dome
- Accessories and Parts
- RV Vents and Fans
- Roof Vent
- Hardware
- Operator Parts
- Ventadome
- Knob
- Mount Screw
- Ventline
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Robin H.
1/12/2026
Hey Terry, how did the Valterra waste valve cap and septic treatment work out for your Casita? Your update could make it easier for others trying to find the right fit and maintenance combo for their Valterra system.