Specifications include, but are not limited to: Backflow Preventer Test Kit Model TK-99E Watts Backflow Preventer Test Kit is a compact portable device made for testing pressure vacuum breakers, anti-spill vacuum breakers, reduced pressure zone assemblies, and double check valve assemblies. This Backflow Preventer Test Kit has been designed for simplified operation and rugged reliability in a compact package. The TK-99E consists of a gauge with color-coded valves and hoses, hose adapters, shock cord for easy mounting, supply pressure gauge, and a carrying case. Accuracy is +/-1% of full scale.Features:41⁄2" (114mm) diameter face gauge with dual scale (0-15psi/0-1bar)Pressure gauge measuring 0 - 200psi.Three lightweight needle valves encased in chemical resistant bodies. Adapters:(3) 3⁄8" x 1⁄4" bushings(3) 1⁄2" x 1⁄4" bushings(3) 3⁄4" x 1⁄4" bushings(3) 1⁄4" flared fittings Hoses:(3) 6ft (1828mm) hoses with female-threaded swivel couplings16" (41mm) securing strap Shock cord Replaceable hose filters and valve stem seals Durable carrying case Pressure-Temperature: Maximum Working Pressure: 200psi (13.7 bar)Maximum Working Temperature: 200°F (93°C)