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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
OPTIONAL MANUAL BYPASS
Provisions are made in the dryer’s fire suppression system for the installation of an optional manual bypass.
Depending on the model dryer, the connections for the manual bypass are made at the “T” or “three way” fitting
located in the outlet supply side of the water solenoid valve. The use and connections of this manual bypass are
at the option or discretion of the owner.
The water connection for the manual bypass is made to the “T” or “three way” fitting which has a 3/8” F.P.T.
and a coupling must be used to provide the minimum 1/2” supply (feed) line.
If the rear area of the dryer, or the water supply is located in an area where it
will be exposed to cold/freezing
temperatures, provisions must be made to protect these water lines from freezing.
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