HB Chris Moderator Site Donor $$ Messages 19,528 Reaction score 8,981 Location Huntington Beach, CA Mar 14, 2018 #1 I have a relay that disables the vent fan when A/C is turned on, known as a changeover relay. $32 shipped in the US.
I have a relay that disables the vent fan when A/C is turned on, known as a changeover relay. $32 shipped in the US.
