BG961UHE Gas Furnace Installation Manual

507768-02B Page 35 of 56Issue 1904
Figure 53. Condensate Trap Locations
(Unit shown in upow position with remote trap)
* Piping from furnace must slope down a minimum of
1/4” per ft. toward trap.
Figure 54. Condensate Trap with Optional Overow
Switch
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.
WARNING