Broan ERV/HRV 20/40/60 Minute Timer Wall Control

This Broan in-wall timer is for use with Broan heat and energy recovery units. It allows the unit to turn on high speed during 20, 40, or 60 minutes to expel rapidly indoor stale air. To use, just press once for 20 minutes, twice for 40 minutes, or three times for 60 minutes activation.