Property Protection Controllers
Resideo VISTA-21iPLTE Control Panel
Exact model VISTA-21IPLTE
Also identified as: VISTA-21IPLTE, VISTA-21iPLTE Control Panel, Resideo VISTA-21IPLTE, VISTA-21IPLTE VISTA-21iPLTE Control Panel
Resideo VISTA-21IPLTE is the VISTA-21iPLTE Control Panel, 48-zone/two-partition VISTA hardware with an onboard Internet communicator and optional snap-in LTE radio, unlike add-on-only VISTA-20P communications. This exact-model guide covers published configuration, installation boundaries, operation, service, and power.
- Resideo identifies VISTA-21IPLTE as VISTA-21iPLTE Control Panel.
- 48-zone/two-partition VISTA hardware with an onboard Internet communicator and optional snap-in LTE radio, unlike add-on-only VISTA-20P communications.
- Resideo's current exact SKU page and catalog publish VISTA-21IPLTE, onboard IP, optional LTE, 12 V DC operation, eight onboard zones with expansion, two partitions, and 14.5 x 12.5 x 3-inch cabinet dimensions.
- Exact Resideo plug-in transformer specified by the panel installation guide.
- Manufacturer-specified 12 V sealed lead-acid standby battery sized by the exact load calculation.
First time using a Scanual? Read the quick guide.
Information checked August 28, 2026. Confirm critical specifications with the manufacturer.
Official resources
Manuals and official support
Replacement parts and accessories
Products for Resideo VISTA-21IPLTE
Confirm your exact model number, the current product listing, included parts, and return terms before ordering.
Upgrade options
Accessory
Honeywell Home 6160 Custom Alpha Keypad
Honeywell Home 6160 Custom Alpha Keypad is a documented-interface accessory option for Resideo VISTA-21IPLTE. Use only on the exact panel ECP bus within keypad address and auxiliary-current limits.
Listing reviewed 2026-08-28
View on AmazonReport an issueAccessory
Honeywell Home 6290W Color Touchscreen Keypad
Honeywell Home 6290W Color Touchscreen Keypad is a documented-interface accessory option for Resideo VISTA-21IPLTE. Use only after the installer confirms the exact panel revision, address, current budget, firmware, and listing.
Listing reviewed 2026-08-28
View on AmazonReport an issueAccessory
Honeywell Home TUXEDOW Wi-Fi Touchscreen Keypad
Honeywell Home TUXEDOW Wi-Fi Touchscreen Keypad is a documented-interface accessory option for Resideo VISTA-21IPLTE. Use only after confirming panel revision, address, auxiliary current, firmware, network, and security-use listing.
Listing reviewed 2026-08-28
View on AmazonReport an issue
Networking
Resideo LTEM-XA LTE and Internet Communicator
Resideo LTEM-XA LTE and Internet Communicator is a documented-interface accessory option for Resideo VISTA-21IPLTE. Use only after professional compatibility, carrier, account, supervision, power, and communicator-path provisioning.
Listing reviewed 2026-08-28
View on AmazonReport an issueAccessory
Honeywell Home 5881ENH Wireless Receiver
Honeywell Home 5881ENH Wireless Receiver is a documented-interface accessory option for Resideo VISTA-21IPLTE. Use only within receiver-count, ECP-address, auxiliary-current, wireless-zone, enclosure, and listing limits.
Listing reviewed 2026-08-28
View on AmazonReport an issueAccessory
Honeywell Home 4219 Eight-Zone Expander
Honeywell Home 4219 Eight-Zone Expander is a documented-interface accessory option for Resideo VISTA-21IPLTE. Use only where the exact panel/revision lists 4219 and follow address, EOL resistor, zone, current, and enclosure requirements.
Listing reviewed 2026-08-28
View on AmazonReport an issueAccessory
Honeywell Home 5816 Wireless Door and Window Transmitter
Honeywell Home 5816 Wireless Door and Window Transmitter is a documented-interface accessory option for Resideo VISTA-21IPLTE. Use only as a burglary contact input after receiver enrollment, mounting, gap, supervision, and response programming.
Listing reviewed 2026-08-28
View on AmazonReport an issueAmazon links above are paid links. As an Amazon Associate I earn from qualifying purchases.
Cables & connections
Accessory
Honeywell Home WAVE2 Two-Tone Indoor Siren
Honeywell Home WAVE2 Two-Tone Indoor Siren is a documented-interface accessory option for Resideo VISTA-21IPLTE. Use only after calculating output voltage, current, conductor size, supervision, sound level, and required duration.
Listing reviewed 2026-08-28
View on AmazonReport an issuePower & batteries
Battery
Mighty Max Battery ML7-12 12 V 7.2 Ah SLA Battery
Mighty Max Battery ML7-12 12 V 7.2 Ah SLA Battery is a documented-interface accessory option for Resideo VISTA-21IPLTE. Use only if the exact load/runtime calculation, cabinet, charger, F1 terminals, and polarity permit 7.2 Ah; this is standby power.
Listing reviewed 2026-08-28
View on AmazonReport an issue
Power Adapter
Honeywell Home 1361-GT Plug-In Transformer
Honeywell Home 1361-GT Plug-In Transformer is a documented-interface accessory option for Resideo VISTA-21IPLTE. Use only when the exact installation instructions specify 16.5 VAC 40 VA and this transformer; primary wiring must remain compliant.
Listing reviewed 2026-08-28
View on AmazonReport an issueModel details
Additional useful information
Use this exact-model guide for Resideo VISTA-21IPLTE to confirm the published configuration, follow the proper installation and commissioning path, operate the controller safely, isolate common faults, and match power, wiring, sensors, readers, valves, relays, credentials, or expansion hardware without borrowing unsupported assumptions from a nearby model.
Resideo VISTA-21IPLTE is the exact VISTA-21iPLTE Control Panel covered here. 48-zone/two-partition VISTA hardware with an onboard Internet communicator and optional snap-in LTE radio, unlike add-on-only VISTA-20P communications. Resideo's current exact SKU page and catalog publish VISTA-21IPLTE, onboard IP, optional LTE, 12 V DC operation, eight onboard zones with expansion, two partitions, and 14.5 x 12.5 x 3-inch cabinet dimensions.
Published exact-model boundaries: Official installation/programming, battery calculation, communicator compatibility, Total Connect, zone-expansion, and ownership-transfer guides. Official installation/programming, battery calculation, communicator compatibility, Total Connect, zone-expansion, and ownership-transfer guides.
Setup, operation, and fault isolation: VISTA-21IPLTE adds an onboard Internet communicator and optional snap-in LTE radio to the 48-zone, two-partition platform. Commission local zones and keypads before IP registration, then test cellular failover without confusing it with the panel's SLA standby battery. The integrated communications architecture makes VISTA-20P add-on instructions incomplete for this exact model.
Power and service boundary for VISTA-21IPLTE: Resideo VISTA-21IPLTE is an installed alarm cabinet powered through field wiring or the exact listed transformer and includes a model/load-specific sealed-lead-acid standby path. The transformer, cabinet wiring, and SLA calculation are installer work; a UPS or surge protector is not a replacement supply.
- 6160C or other explicitly compatible alphanumeric keypad.
- 6290WC or TUXEDOWC touchscreen only where listed for the exact panel.
- LTEM-XA, LTEM-XV, LTEM-PA, or LTEM-PV communicator after exact panel/version/carrier verification.
- 5881EN-series wireless receiver and 5800-series sensors where the panel supports them.
- Official installation/programming, battery calculation, communicator compatibility, Total Connect, zone-expansion, and ownership-transfer guides.
See something wrong? Report an error
Report a broken official link, a seller-listed item that does not match, or another factual issue. Scanual reviews requests but does not provide urgent or manufacturer support.