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Colingmill RV Sewer Valve Cap with Handle,2 Pcs,Black — Open-Box, 8% Off
Brand: Colingmill
Condition: Used
$1747
$1899
-8% Save $152
Updated: 10 hours 11 mins ago
Description
Intimate Rv Sewer Covers Set: this set includes two RV sewer caps, specifically designed for black and gray water tanks; A single set meets the dual sealing needs of your RV's wastewater system
Quality Plastic Material: each RV wastewater cover is made of quality plastic, and the black design is not only fashionable but also reliable; Their good craftsmanship and sturdy structure can withstand the test of many camping trips
Adapt to Standard Sizes: with an inner diameter of approximately 3 inches (7.6 cm), the RV waste tank cap fits most standard RV sewer outlets; The anti-slip threaded edges ensure a tight seal, effectively preventing leakage issues and enhancing camping comfort
Convenient Handle Design: our camper sewer caps feature ergonomic anti-slip handles, avoiding the slipping problems common with traditional twist-off designs; Whether draining waste or performing routine checks, the one-handed operation provides remarkable convenience, saving both time and effort
A Good Helper for RV Camping: designed specifically for RVs and campers, these RV sewer cap covers are the ideal solution for outdoor waste management; They effectively seal wastewater tanks during campground stays and long-distance travels, preventing odor escape and insect intrusion; The lightweight design ensures easy portability, making your camping experience more comfortable
Features: Simplify the Drainage Process: This camper sewer cover is easy to operate, dramatically simplifies the tank drainage process, makes the drainage operation easy and fast, and effectively saves your time and energy, focusing more on enjoying the fun of camping. Anti-odor Design: Our RV wastewater cap is designed to prevent odor and ensure a fresh environment, keeping fresh air in and around the RV, and enhancing the overall comfort of your stay. Specifications: Material: plastic Color: black Size: about 3 inch (Inlet Connection Size) Package includes: 2 X RV sewer caps Note: Manual measurement, please allow slight errors in size. The color may exist a slight difference due to different screen displays.
Sold by
Amazon Warehouse
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- Backed by Amazon's A-to-Z Guarantee
- 30-day return policy
- Ships from Amazon fulfillment centers
- Price verified on Amazon
Product Details
- SKU:
- awhd-us-b0f6n4cp1z
- Model:
- JYI-Colingmill-1277
- Country:
- US
- ASIN:
- B0F6N4CP1Z
Shopping Smarter
Common questions about buying open-box and refurbished.
Why buy refurbished or open-box?
Refurbished and open-box products offer the same performance as new at a fraction of the price. You're already saving $2 on this listing. They've been inspected, tested, and are ready to use — the only difference is the price tag. Buying refurbished also reduces electronic waste, extending product life cycles and keeping functional devices out of landfills.
What's the difference between open-box and refurbished?
Open-box products are customer returns that have been inspected and confirmed functional. They may show little to no use — often the item was returned simply because the buyer changed their mind. Refurbished products have been professionally repaired or restored by technicians, tested to meet or exceed manufacturer specifications, and sometimes come with a warranty. Both are a smart alternative to buying new.
Why use OpenBoxFox?
Finding refurbished deals is time-consuming — you'd have to check Amazon Warehouse, Reebelo, Dyson Outlet, and others separately for Colingmill products. OpenBoxFox aggregates these listings in one place, so you can compare and find the best deal without the legwork. We update pricing daily so you always see current availability and real savings.
Is it safe to buy refurbished?
Yes. Products listed on OpenBoxFox come from established retailers like Amazon, Reebelo, and Dyson — not unknown third-party sellers. Each retailer has buyer protection policies, return windows, and in some cases warranties. You get the price advantage of used goods with the purchase security of a known retailer.

















