The Skuttle A00-0602-039 is the correct replacement water pan for the following Skuttle humidifier systems:
The Skuttle A01-1730-078 is a water pan that can be used for Skuttle model 45, 45-SH and 45-SH1 whole-house drum humidifiers. The Skuttle A01-1730-078 is water pan reservoir for excess humidifier water drainage. The A01-1730-078 water pan measures approximately 10" L x 10" W x 2" deep.
Skuttle A01-1730-078 Water Pan Assembly Specifications:
Skuttle is also written as Drumatic occasionally.