A4021A1010 | Honeywell Valve Proving System 25-Second Test Time, 100–120 VAC API Index The 2098-DSD-HV220-SE delivers the reliability

The 2098-DSD-HV220-SE delivers the reliability and precision required for advanced high-voltage servo drive systems

Multi-Workstation Access: Allows simultaneous access from multiple ONYXWorks workstations

Equipped with conformal PCB coating

ensuring that safety doors remain securely closed during machine operation

A4021A1010 | Honeywell Valve Proving System 25-Second Test Time, 100–120 VAC API Index The 2098-DSD-HV220-SE delivers the reliabilityDescription 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