Fantech 20/40/60 Minute Pushbutton Timer

NOTE 1: Compatible w/ SHR/VHR/SER Series Only. Do Not Use With EDF5 NOTE 2: Wall controls and timers are not compatible on all series. Check individual HRV/ERV for control compatibility Features: 20-40-60 Min. Boost Timer Press button once to energize system to high speed for 20 minutes Press button twice, unit will run for 40 minutes on high speed Press button three times for 60 minutes of high speed Up to five can be used with one system