Safe Fleet H1975-025-111-0F Advantage Economy Roof Hatch (White) | Universal with Alarm Switch (Ring/Splice) | 24" x 24" Low-Profile | Replaces OEM T1975-028-111-00 | USA Made, FMVSS/CMVSS Compliant

Safe Fleet H1975-025-111-0F Advantage Series Roof Hatch (White) The Safe Fleet H1975-025-111-0F is a premium "Advantage Series" replacement for the industry-standard Transpec T1975 roof hatch. Designed for school buses, shuttles, and transit vehicles, this 24" x 24" white economy hatch combines a low-profile aerodynamic design with a fully compliant emergency exit. Key Upgrades & FeaturesIntegrated Alarm Switch: Comes pre-wired with a single-wire (Ring/Splice) switch to trigger your driver alert buzzer if the hatch is left unlatched.Leak-Proof Installation: The internal clamping system eliminates the need for external roof screws, removing common leak points found in older models.Durability: Built from UV-stable polymer that resists yellowing and cracking in harsh weather conditions.Verified Part Number Cross-ReferenceReplaces Transpec T1975-028-111-00 / 02Replaces Specialty Manufacturing (SMI) 9245-0200Replaces Safe Fleet H19750251110FReplaces International 2598241C91Technical SpecificationsCutout Dimensions: Fits 23" - 23.5" (Standard 24x24 Class)Warranty: 5-Year Manufacturer WarrantyCompliance: FMVSS 217, CMVSS, D250Origin: Made in the USA

• Universal Fit for School Bus Roofs: Designed to retrofit standard 24" x 24" nominal roof openings (fits 23" to 23.5" cutouts). Verified direct replacement for Transpec, Prolo, and Safe Fleet "Standard Safety Vent" systems.
• Includes Hatch Ajar Alarm Switch: Features a pre-installed single-wire alarm switch (Ring Terminal + Splice) to integrate with your vehicle’s safety buzzer. Critical for meeting school bus safety compliance and preventing "open hatch" driving incidents.
• Low-Profile Advantage Design: Uses an internal clamping ring to eliminate leak-prone external fasteners. The sleek, low-profile aerodynamic shape reduces wind noise and drag compared to older, bulky vents.
• UV-Stable & Safety Compliant: Manufactured from high-strength white polymer that resists chalking and sun damage. Meets FMVSS 217, CMVSS, and D250 standards with a high-visibility red "Turn-to-Open" handle for rapid emergency egress.
• OEM Replacement with 5-Year Warranty: Direct replacement for discontinued part numbers including 9245-0200, T1975-028-111-02, and T1975-028-111-00. Backed by Specialty Manufacturing’s 5-Year Limited Warranty.