Upgrades single 12 Volt Propane Gas alarms to a dual alarm that detects both Propane Gas and CO. Replaces all Safe-T-Alert Model 40-442 Propane alarms

• Ideal for Class A motor homes Class B van campers, Class C mini-motor homes, travel trailers, fifth wheels, truck and folding campers
• Alarm mute button silences alarm while RV is ventilated. Rapid recovery sensor resets when silenced or reactivates alarm if dangerous levels of propane or CO remain.
• 12 Volt power means no missing or dead batteries to replace.
• Meets RVIA/NFPA requirements
• Listed to UL 1484 RV Replaces your propane & CO alarms that are over 5 years old.

UPC: 715456457444
Model Number: 45-742-BL