Wheeler-Rex 300 psi Hand Pump – Hydrostatic Test Pump
$349.84 on Amazon.com (as of October 17, 2026, 2:32 PM EST) View details ↗
The **Wheeler-Rex 300 psi Hand Operated Hydrostatic Test Pump** is a durable, portable solution for pressure testing water lines, boilers, solar systems, and small tanks. Designed for ease of use, this manual pump delivers consistent pressure up to **300 psi**, making it ideal for HVAC technicians, plumbers, and DIY maintenance tasks. Its compact build includes a built-in shutoff valve and a **10-foot output hose** (1/4 MNPT), ensuring flexibility for various applications.
Perfect for fieldwork or on-site inspections, this pump features a **3/4-inch female garden hose (GH) inlet**, allowing quick connection to standard water sources. Whether you're verifying system integrity, checking for leaks, or performing routine maintenance, the Wheeler-Rex pump delivers reliable performance with minimal effort. Trusted for its rugged construction and precision engineering, it’s a must-have tool for professionals who demand accuracy and durability.
| Maximum Pressure Rating | 300 psi |
|---|---|
| Inlet Connection | 3/4″ Female Garden Hose (GH) |
| Outlet Connection | 1/4″ MNPT (with 10 ft hose) |
| Type | Hand Operated |
| Application | Water lines, boilers, solar systems, sprinklers, small tanks |






