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The Trerice "Econo-Met" thermometer is both an accurate and cost effective way to measure hot water in hydronic systems. The 2 in stem make this the ideal instrument where there are space restrictions. An included 1/2 NPT brass thermowell or 3/4 NPT brass sweatwell provide alternate ways for installation.
Trerice PEB13027 Bi-Metal Thermometer, 0 to 250 deg F, 2% Full Scale Accuracy, 2-1/2 in Dial, 2 in L Stem