Tip on Drain Lines
https://www.instapaper.com/read/2055654881
Tip on Drain Lines Tip for anyone with an attic air handler: check the secondary drain pan a couple of times each summer. Ours had standing water I never would have spotted otherwise
Tip on Drain Lines Tip for anyone with an attic air handler: check the secondary drain pan a couple of times each summer. Ours had standing water I never would have spotted otherwise