The recommended distance the condenser coil can be located away from the sterilizer itself should be no different than the recommended length of the steam exhaust vent line when exhausting to the outdoors, without a condenser.
This text is from the sterilizer spec sheet:
The overall height and length of the steam exhaust vent line
should not rise more than 4’ (1.2 meters) above the unit and
exceed 15’ (4.5 meters) with a minimum of bends. The steam exhaust line
should slope downward toward the condenser after leaving the sterilizer in order to
ensure condensate drainage.
As you can see, the general rule of thumb, under the proper conditions, is 15 ft.
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