Sirens in the City of Lavon are tested on the first Wednesday of each month at 2:00 PM
Whelen WPS-2740 "OA40" - State Highway 278 & F.M. 405. - This siren was originally a WPS-2750 but was chopped down to a WPS-2740 and was refurbished paired with a Type I cabinet used with OmniAlerts, Vortexes, etc; hence the "OA40" nickname. Photos taken in 6/2022
Whelen Vortex R4 - 500 Main Street @ City Yard. Photos taken in 6/2021