Whole House Fan Switch Knob

The shaft of the switch is 63 mm at the base with a double d cutaway at the end.

Big fan logo. 99 get it as soon as fri sep 25. Two days ago i replaced a potentiometer knob switch for a whole house bathroom fan with a ge 14291 enbrighten z wave onoff switch. Knob for a whole house fan 2 speed switch.

The smaller diameter with the cutaway ds is 51 mm. I uploaded the fusion file in case you want to edit and the stl. If i were to take the existing old switch out of the wall and look at it in the same position as it sits in the wall i would see 6 screw terminals 3 rows and 2 columns of screws.

Let me describe the existing wiring. The original knob switch fan only worked in one setting so there shouldnt be a variable voltage aspect to this. This knob started to wear out so i replaced it with a smart switch.

The knob is not easily available at the big box stores. It is designed to perfectly serve a house that is 2000 to 3000 square feet. Ecudis 8 pcs plastic lamp switch turn knob onoff replacement light fan knobs thread lamp key twist knobs extension lamp repair kit socket replacement turner black 699 6.

I included a slight 05 degree angle along the shaft axis of the knob for a tight press fit. The ge switched worked great. This smart switch can be controlled by an ap on my phone and includes a timer feature.

Older whole house fans were famously noisy but the newer versions are very quiet no noisier than a regular fan. The whole house fan is on a 20 amp circuit as per my check of the circuit box in the basement.