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Pete’s Plug #400 Stainless Steel PT Test Plug
The Pete’s Plug #400 is the industry standard for obtaining fast, accurate pressure and temperature readings without shutting down active systems. Featuring a rugged 316 Grade Stainless Steel body, precision-engineered 1/4″ NPT threads, and a reliable Neoprene core, this compact 1-1/2″ PT test plug serves as a permanent, cost-effective alternative to installing dedicated gauge cocks and thermometer wells.