DIY Home Improvement Forum banner
1 - 1 of 1 Posts

·
Registered
Joined
·
766 Posts
Post the connections to the old thermostat and the make. You need RV=O for W1/O/B to energize in cooling for a York heat pump (RV=B is pretty much only Rheem, Ruud, Weatherking now).
 
1 - 1 of 1 Posts
This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.
Top