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A7800A1010 | 7800 TesterW/ValveProvingSystm | Honeywell Length_1-1/2IN Its 1/2IN FPT inlet connectionHoneywell 7800 Tester with Valve Proving System (A7800A1010)The Honeywell 7800 Tester with Valve Proving System provides accurate and reliable testing of pressure relief valves in safety relief systems. It features a built in hand pump, a high pressure hose, and a pressure gauge, allowing for testing up to 3,000 psi. The tester's compact design and portability make it easy to use in remote or confined locations. The Honeywell 7800 Tester is designed