20PSI!!??? that much pressure would surely blow the water out of the traps.

s


"marson" wrote in message
ups.com...

Found it! Wound up putting a smoke cartridge in a vent, then putting
a continuous 20 PSI on it (enough to blow out the hole but not enough
to blow water out of the traps). Found it next to a tub access hole--
someone had widened the access hole and got a little wild with the
sawsall!.