View cart “#3417: Bulkhead fitting” has been added to your cart. #602293: Drain Loop$122.00 #602293: Drain Loop quantity Add to cart Description Description The Wallas 602293 drain loop is designed for use in long, single pipe (not duplex) exhaust runs, to prevent pooling of condensation fluids. Related products Add to cart #4401: 3.5″ Warm Air Duct Insulation (per foot) $7.00 Add to cart #1110: Pot Holders (Nordic Dt/85Dt/DP) $158.00 Add to cart #3417: Bulkhead fitting $40.00