Sterling Fans 20/40/60 Timer 100-120 Tested by high quality ISO

Tested by high quality ISO 17025 Standard Government accredited laboratories

It features a high-efficiency DC motor

granting you precise control over your ERV/HRV

opt for two pushes for 40 minutes

(that's like almost whisper quiet) Plus

Sterling Fans 20/40/60 Timer 100-120 Tested by high quality ISOThe SterlingFan Push Button Timer Wall Control boasts an intuitive light indicator, providing clear visibility of the current operating mode. With just a single push, activate a 20 minute cycle; opt for two pushes for 40 minutes, or three for a full 60 minute ventilation cycle. Upon activation, the indicator illuminates, signalling that the unit is on. To cease operation, a single push returns the unit to its previous settings, granting you precise