Applications: New construction, plumbing, water lines, boilers, heating, ventilation and air conditioning. Widely specified in the industrial and commercial plumbing trade. Vari-angle connection and 360 degree case rotation or easy installation. Graphite filled bulb chamber for maximum heat conduction. Warranty: 5 Years. Lens: Glass. Accuracy: ±1%. Scale Size: 9” (230mm). Scales: Aluminum painted white with black markings. Bulb Chamber: Tapered cast aluminum with graphite fill. Sensing Liquid: Organic Fill. Adjustment: Fully adjustable. Enclosure Rating: IP54. Connection: 3/4" NPT with Thermowell, 1-1/4" - 18 UNEF Swivel Nut (no thermowell). Thermowell: 3/4” Lead Free Brass. Case: Valox, Impact Resistant. Stem Length: 3.5" (90 mm). Range: 30F to 240F & 0C to 115C