1/2″ Brass Mini Ball Valve with PTFE Tape – Red
$7.85 on Amazon.com (as of October 9, 2026, 12:00 PM EST) View details ↗
This compact brass mini ball valve is engineered for reliable shut‑off and complete draining of RV and trailer water heaters. Constructed from rust‑resistant brass with a durable plastic handle, the valve offers long‑lasting performance in harsh mobile environments. Its wide‑mouth design prevents sediment buildup, ensuring thorough winterizing and easy maintenance.
Installation is straightforward—simply remove the existing drain plug, wrap the included PTFE sealing tape around the threads, and screw the new valve into the 1/2″ NPT drain port. No extra adapters are required. The valve’s universal 1/2″ thread fits most RV water heaters, as well as gas‑powered equipment and compatible power tools, making it a versatile addition to any mobile water system.
| Material | Brass body with plastic handle |
|---|---|
| Thread Size | 1/2″ NPT (female & male) |
| Sealing Accessory | PTFE sealing tape included |
| Design | Wide‑mouth drainage to prevent clogging |
| Compatibility | Fits RV water heaters, gas‑powered equipment, power tools |






