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The A20T-250-20-1/2 Temperature Swichgage® is a diaphragm-actuated, 2" temperature-indicating gage with a built-in electrical switch for tripping alarms and/or shutdown devices.

This rugged, built-to-last instrument is fully sealed from the environment by the unique combination of a polycarbonate case and lens, a polished stainless steel bezel, and O-ring seals.

This vapor actuated gage features a sealed capillary tube and a sensing bulb. When subjected to heat, the liquid in the sensing bulb
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