Product Name
Aprilaire 4238 Circuit Board
Product Code: PROD320081693
Product Information
Aprilaire #4238 circuit board for 4238 700, 760, 760a, 768.includes wiring harness.this part does not work with the 700a/700M models (see relay part # 4740)

Aprilaire 4238 control board for the 4238 700, 768, 760. Circuit board length measures 4', width is 2' and 11/2 inch high. This controller mounts on the motor board bridge (rp-4243)

The Aprilaire 4238 700a, 700M and 700 manufactured in 2008 and later are Series two and designed primarily for an automatic humidistat. To turn-on these units require a humidistat that sends 24V to the humidifier
ASIN코드 : B0054KO0LG
One Color