A4021A1010 | Honeywell Valve Proving System 25-Second Test Time, 100–120 VACDescription The Honeywell A4021A1010 is a valve proving system designed to verify the tightness of safety shutoff valves in gas fired burner systems. Operating at 100120 VAC and consuming 4. 5 VA, it performs a 25 second leak test per valve to ensure reliable system safety before each burner start up. Technical Specifications Condition New Never Used Surplus Brand Honeywell Category Flame Safety Systems Part Number A4021A1010 Subcategory Valve Proving
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A4021A1010 | Honeywell Valve Proving System 25-Second Test Time, 100–120 VAC