I have a Reznor UDAS that's almost done. Tstat is Honeywell Vision pro 8320U (saved from prior hvac system).
I have a 24 v transformer.
Reiznor is single stage and Reznor takes G, W and R wires. G - fan, w - gas valve?, R - ?
Now, how to wire the tstat?
Per the tsat manual for a heat only...