Pete’s Plug #300 Brass Pressure or Temperature, PT Test Plug
For systems requiring larger connection points, the Pete’s Plug #300 delivers exceptional reliability. This brass PT test plug features a 3/8″ NPT thread, a standard 1-1/2″ length, and a Neoprene core specifically designed for natural gas, waxes, and refrigerant applications. Technicians can easily insert a gauge needle adapter to obtain instant readings, while the Neoprene core ensures the PT port seals tight promptly after use. BriceBarclay supplies the #300 model to keep your industrial and commercial systems running safely.
Features
- Brass body and cap material
- Neoprene core
- Color coded Neoprene cap strap
- Two self closing valves with interaction to speed valve closure
Applications
- HVAC
- Natural Gas Applications
- Used in applications where waxes, fats, oils, greases, petroleum products, and refrigerants may be present

Made in the USA