The Fantech EDF 1 Control is a triple function wall control. With settings for continuous low operation, 20 minute ON/40 minute OFF cycling, and continuous high operation, the EDF 1 controls ERVs and HRVs from one central location.
Product FeaturesTriple Function Control
Press the button once for continuous low operation. A second press and the unit will repeatedly cycle 20 minutes on and 40 minutes off. Three presses turns the system on high continuously.
All Fantech ERV and HRV units