Pro-Tech 8505 Commercial CO Alarm 6-Pack, Covers Up to 6,000 Sq Ft
Regular price $1,199.70
Coverage for Larger Offices, Stores and Small Warehouses
Six Pro-Tech 8505 alarms cover up to 6,000 square feet of open space, following the manufacturer's guideline of one monitor per 1,000 square feet. That fits a larger office, a store with a stockroom, or a small warehouse. Staff, customers, delivery drivers and visitors all breathe the same air, and this pack spreads workplace-grade CO alarms across the whole space.
What's in the Box
- (6) Pro-Tech 8505 Commercial CO Alarms
Where to Put Them
Buildings with several rooms usually need more than square footage alone suggests. Put alarms in the main open areas first, then in offices, break rooms, stockrooms and any room with a furnace, water heater or boiler. Mount each one on an inside wall about three inches above eye level and at least 5 feet from cooking or fuel-burning appliances.
Why Pro-Tech
- Alarms based on the workplace exposure limits set by OSHA, NIOSH, ACGIH and Cal/OSHA, not the home-alarm standard
- Shows the CO level continuously from 9 ppm
- Remembers the highest CO level, how long it lasted and when, with 30 days of history
- 85 dB alarm with flashing red light
- Runs on one 9V battery each, so there is no wiring
For alarm levels and full details, download the owner's manual (PDF). For heated and air-conditioned commercial buildings, 40°F to 100°F. Not listed to UL 2034 and not intended to meet building or fire code CO alarm requirements.


