Description
Replacement Tenant Door With Lock for Vertical Apartment Mailboxes (H3551)
H3551 Vertical Mailbox Tenant Door With Lock and Outgoing Mail Slot
Restore functionality and security with National Mailboxes’ precision-engineered H3551 Replacement Tenant Door, designed specifically for vertical mailboxes. Featuring a durable construction and included locking mechanism, this unit ensures continued performance while blending seamlessly with existing mailbox installations.
Elevating Replacement Solutions
Meticulously crafted with a focus on durability, the H3551 provides an easy upgrade for aging or damaged vertical mailbox doors. With finish options including Anodized Aluminum, Dark Bronze, and Sandstone, it ensures visual consistency and architectural harmony.
Engineered for Seamless Integration
Designed to meet USPS replacement guidelines, the H3551 maintains mailbox compliance while restoring security and functionality. The addition of an outgoing mail slot and number slot further enhances tenant convenience and mailbox organization.
Restoring Efficiency and Security
Ideal for apartments, condominiums, and commercial properties, this replacement tenant door preserves the reliability and appearance of vertical mail systems, ensuring long-term performance with a minimal installation footprint.
Door Size: 16″H x 5-1/2″W
Features:
- Tenant lock and keys included
- Comes with Outgoing Mail Slot for Outgoing Mail
- Includes Number Slot for Door I.D.
- Vertical Mailboxes are USPS Approved ONLY for Replacement of Existing Mailboxes—Otherwise Local Postmaster Approval is Required
Colors: Anodized Aluminum (Standard Finish), Dark Bronze, and Sandstone





















