81 5 28 oz get it as soon as.
Attic fan timer on off and timer.
Master flow whf accessory silver 12 hours analog whole house fan timer.
The two wire black is line and the load goes to the center terminal of the hi low switch.
Up to that time changing settings was relative easy one page instruction easy to follow not too many steps involved for 4 fresh air cycles daily.
Take them off and connect them to the timer.
If the timer is labeled line and load.
When installing with direct drive fan model you must have the bws2 2 speed fan control switch as well.
I use automation with my fan and it works great.
I left the hi lo in place because i didn t feel that there was enough need to figure that one out.
4 3 out of 5 stars 1 258.
There should be two white wires currently connected and capped.
I had the same situation with my fan.
4 3 out of 5 stars 619.
The master flow 12 hour timer when installed on master flow belt drive and direct drive whole house fans can be set for any time from 10 minutes to up to 12 hours.
Intermatic fd12hhw 12 hour spring loaded in wall timer switch for auto off control of fans and lights with hold white.
What i did was remove the on off with timer module and replace it with a ge in wall on off paddle switch.
For pricing and availability.
I purchased the new and improved intermatic timer identified as a direct replacement.
There was a hi lo switch and the on off with timer.
There should be two wires on the on off switch.
The timer automatically turns off when time has expired.
Enerlites programmable digital timer switch for lights fans motors 7 day 18 on off timer settings single pole neutral wire required ul listed het01 c white 4 2 out of 5 stars 790 19 99 19.