Get the guides, first
Seasonal UK driving advice and a heads-up when new stock lands. No spam, unsubscribe any time.





Every order ships free with tracking. Dispatch is usually within 1–2 working days and delivery within 3–8 working days.
Email us your order number within 30 days of delivery and we send the return steps the same working day. Refunds within 5 working days of receipt.
Send your registration or make, model and year to britishgarage.co.uk@gmail.com and we check the listing details against it before you order.
The DUMPMAN RV Waste Gate Valve is a 3" replacement sewer valve designed to give reliable flow control and a secure, leak-resistant connection for camper and RV waste lines.
Swapping a worn or leaking sewer gate valve is a quick way to restore proper function to your RV’s waste system without calling a technician. The DUMPMAN 3-inch gate valve fits common RV plumbing standards, uses a rotatable flow handle for easy opening and closing even in tight spaces, and includes a gasket to help keep connections watertight. Built from durable plastic suited for outdoor use, it’s aimed at homeowners and RVers who prefer a practical, cost-effective DIY fix.
Installing the DUMPMAN gate valve replaces damaged or aged valves, restoring smooth operation and tighter seals. The flow handle gives precise control over discharge, reducing accidental spills and making dumping faster and cleaner. The supplied gasket helps prevent leaks at the pipe connection.
DUMPMAN designed this gate valve to be compatible with several common RV valve systems, so it can replace many aftermarket or factory units without extensive modification. It fits 3-inch waste pipe and works alongside brands frequently used in camper plumbing. Always verify pipe diameter and flange compatibility before ordering.
Installation is intended for DIYers and RV owners: remove the old valve, seat the included gasket, and secure the new DUMPMAN valve in place. The rotatable handle lets you operate the valve in confined locations without extra tools. Routine checks of the gasket and handle are all that’s generally needed to maintain reliable service.
The valve body is molded from resilient plastic chosen for outdoor exposure and occasional rough handling while traveling. Its components are built to resist corrosion and degrade more slowly than cheaper alternatives. While not metal, the chosen polymer balances weight, strength, and resistance to the elements for long service life in RV conditions.
Who this is for: The DUMPMAN 3" RV Waste Gate Valve is aimed at RV owners, campers, and fleet operators who need a dependable, budget-conscious replacement for a worn or leaking sewer valve. It’s a good fit for people comfortable with light plumbing work who want a quick, effective upgrade that restores controlled dumping and reduces the chance of messy leaks.
Q: Is this valve compatible with Valterra products?
A: Yes. The DUMPMAN 3" valve is designed to be compatible with Valterra and other common 3" RV valve systems.
Q: Does the kit include a gasket to prevent leaks?
A: Yes. A leak-resistant gasket is included to help ensure a watertight seal at the connection.
Delivery: free tracked delivery to every UK postcode on every order. Most orders are dispatched within 1–2 working days and arrive within 3–8 working days; you receive a tracking link by email as soon as it ships.
Returns: 30 days from delivery to return any unused item in its original packaging. Email us with your order number and we send the return instructions the same working day. Refunds go back to your original payment method within 5 working days of the item arriving with us.
Faulty or wrong item? Tell us within 30 days and we replace or refund it, including the return postage.
Seasonal UK driving advice and a heads-up when new stock lands. No spam, unsubscribe any time.
Thanks for subscribing!
This email has been registered!