The TMA200 Series mounts directly into pipe-threaded couplings for easy installation. It features a front mount design, aluminum face shield, and Buna N O-rings. Models include 1.38" or 1.81" dual-scale dials with ranges up to 300°F (150°C). A brass pipe adapter ensures secure, leak-resistant performance. Standard Features - TMA200 Series: An aluminum enclosure shields side of thermometer face 1.38 inch diameter dual scale dial thermometer, 50° to 300°F and 10° to 150°C (TMA202 & TMA204) 2.00 inch diameter dual scale dial thermometer, 0° to 300°F and -20° to 150°C (TMA214) Stainless steel thermometer probe 1/4 or 1/2 inch NPTF pipe adapters machined from brass bar stock Buna N o-rings Front mount - threads into pipe threaded coupling Pressure Rating: 125 psi (862 kPa) maximum operating pressure at 150°F (65°C)