Pressure and Temp Test Kit, Range 0 to 60 psi, Temperature Range 0 to 550 F, Includes 2 1/2 In Gauge, 0 to 220 F Thermometer with 1 In Dial and 5 In Stem, 50 to 550 F Thermometer with 1 In Dial and 5 In Stem, Gauge Adapter and Carrying Case Pressure and Temperature KitsContain instruments to spot-test11 hydronic heating and cooling systems. Each includes 1 pressure gauge, 2 thermometers, gauge adapter, and carrying case with space for an additional pressure gauge. Pressure gauges have an acrylic lens and steel housing, with brass/bronze connections/internal material. 1/4" lower connection. Accuracy: 3-2-3%. Ambient operating temp.: -40 to 150 F. Thermometers have acrylic lens, 1" dial, and 5" stem. Temp. ranges: 0 to 220 F and 50 to 550 F. Accuracy: 2%.