American Dryer Corp. AD-24 Phase 7 - Manual (Page 45)

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2. Water Connections:
The water connection is made to the 3/4”-11.5 NH
hose adapter of the electric water solenoid valve,
located at the rear upper midsection of the dryer (refer
to the photo).
The water solenoid valve has a 3/8” M.P.T. connection
supplied with a 3/4”-11.5 NH hose adapter to provide
the minimum 1/2-inch supply (feed) line. Flexible
supply line/coupling must be used in an effort to avoid
damaging the electric water solenoid valve.
NOTE: The 3/4”-11.5 NH is a standard hose coupling screw thread. It is not to be confused with
3/4” N.P.T. The sealing of an NH connection is made with a washer opposed to the
mating threads of an N.P.T. assembly. The two (2) thread designs are not compatible.
IMPORTANT: Flexible supply line/coupling must be used. Solenoid valve failure due to hard
plumbing connections WILL VOID WARRANTY. It is recommended that a filter
or strainer be installed in the water supply line.
Typical water supply: