Order the Mars 39009 Fan Switch Close 140 Auto Open 110 3/4" and update your system with a popular collection. The purpose of a fan cycling switch is to compensate for low pressure by shutting down the condenser fan when the pressure falls below a certain point. Mars makes products that we're proud to carry. Make sure you have the right part number, and if you aren't certain, try contacting us.
Manufacturer: | Mars |
Mpn # | 39009 |
Weight | 0.15 lbs. |