DoorKing 2600-584 Telephone Entry System Heater Kit for Cold weather Climates

Designed to protect entry systems in harsh winter conditions, the DoorKing Systems Heater Kit keeps telephone entry electronics warm and reliable so access control and monitoring remain uninterrupted. This heater kit for DoorKing telephone entry systems (Mfr. P/N 2600584) prevents internal condensation and moisture buildup that can cause corrosion, false faults, and equipment failures — a critical benefit for security, surveillance, and intercom installations in cold weather climates. Built for simple retrofit installation, the kit stabilizes enclosure temperature, extending component life and reducing costly service calls. Made in the US and engineered to integrate with DoorKing entry panels, it helps facility managers, integrators, and security contractors maintain consistent operation of remote call stations and entry controllers. Use this heater kit wherever reliable access control, visitor management, or perimeter monitoring is required in freezing conditions. Keep your intercom and surveillance systems performing when temperatures drop — order the DoorKing 2600-584 Heater Kit today to protect uptime and reduce winter maintenance.

• Keeps DoorKing telephone entry electronics operational in sub‑freezing temperatures to ensure uninterrupted access control and remote monitoring
• Prevents condensation and moisture inside intercom enclosures, reducing corrosion and call/module failures for improved security reliability
• Extends component life and lowers maintenance costs by stabilizing enclosure temperature in cold weather climates
• Simple retrofit installation; compatible with DoorKing telephone entry systems (Mfr. P/N 2600584) for quick field service
• US-made heater kit designed for commercial and residential entry systems, safeguarding surveillance and intercom functionality