Water Supply And Drain Connections; [A] Water Heater Connection; [B] Pressure Reducing Valve; [C] Water Softener - Hoshizaki JWE-2400CUA-L-25B Installation Manual

3. To use a gas water heater, thoroughly read its instruction manual. Ensure
adequate air intake and exhaust systems and exhaust hoods in accordance
with applicable national, state, and local regulations for the type and capacity
of the heater to prevent dangerous conditions due to lack of oxygen and toxic
gas generation.
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4. WATER SUPPLY AND DRAIN CONNECTIONS

Plumbing connections must comply with applicable sanitary, safety and
plumbing codes.
To prevent water leaks resulting in damage to the surrounding property, make
proper water supply and drain connections according to this manual.

[a] WATER HEATER CONNECTION

Make the water heater connection according to its instruction manual.

[b] PRESSURE REDUCING VALVE

Keep the water supply pressure within 10 to 70 PSIG.
If the water pressure is too high, a pressure reducing valve (not supplied) must be installed
in the water line just ahead of the dishwasher.
The pressure reducing valve must have a relief by-pass. Failure to use the
proper type of pressure reducing valve may result in damage to the unit.

[c] WATER SOFTENER

If water hardness exceeds 4 grains per gallon, a water softener (not supplied) must be
installed in the primary circuit (water supply inlet) of the water heater.
The recommended water hardness of not more than 4 grains per gallon is for
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