Honeywell Home V21IPUPG Upgrade Chip for VISTA-21ip

Give your legacy alarm system a cost-effective life extension by installing the Honeywell Home V21IPUPG Upgrade Chip. This PROM memory module upgrades older VISTA-21iP control panels (pre-version 3) to restore intrusion detection, monitoring and seamless integration with your security and surveillance infrastructure. As an OEM upgrade (manufacturer part number V21IPUPG), it provides modern functionality without the expense or downtime of a full panel replacement.

Technicians and integrators will appreciate the simple plug-in form factor and easy installation that minimizes on-site labor and service disruptions. The module is RoHS-compliant and built to Honeywell Home/Resideo quality standards, ensuring dependable alarm reporting, zone programming, and communicator interfacing. Compatible specifically with Honeywell VISTA-21iP (Pre-Version 3) control panels, this upgrade keeps central station monitoring and connected surveillance systems operating cohesively.

Choose the V21IPUPG when you need a reliable, budget-friendly upgrade that preserves existing wiring and system configurations. Ideal for security dealers, property managers, and facility teams — order the Honeywell Home upgrade chip today to restore full monitoring capability and extend the service life of your VISTA-21iP panel.

• Extend the life of existing VISTA-21iP systems without full panel replacement
• Simple plug-in PROM upgrade that reduces installation time and service calls
• Restores modern intrusion monitoring and maintains surveillance integrations
• OEM-compatible solution (Manufacturer P/N V21IPUPG) for reliable performance
• RoHS-compliant component for consistent long-term operation