I have a lennox dsl-450lx heat pump thermostat, and it has three lights on top and my center one is on red and I don't know what that means

Asked by scott on 01/29/2014 0  Answer

ManualsOnline posted an answer 10 years, 10 months ago

The ManualsOnline team has found the manual for this product! We hope it helps solve your problem. Get the Manual Here

Add Your Answer

Please Note: Do not submit personal information as it will be displayed online.