Haier GE APPLIANCES NF96US Installation Instructions Manual page 34

* Piping from furnace must slope down a minimum of
1/4" per ft. toward trap.
Figure 50. Condensate Trap Locations
(Unit shown in upflow position with remote trap)
Figure 51. Condensate Trap with Optional Overflow
When combining the furnace and evaporator coil
drains together, the A/C condensate drain outlet must
be vented to relieve pressure in order for the furnace
pressure switch to operate properly.
Page 34 of 56
Switch
WARNING
Issue 2223 507768-05G / 31-5000655