This YORK JOHNSON CONTROL Receiver (part number 5788042) is a component designed for use in YORK wall-mounted air conditioning units. Specifically, it's compatible with models YWM3F10DAS, YWM3F15DAS, and YWM3F20DAS, which are in the 1.0HP to 2.0HP range. This receiver likely facilitates remote control operation and communication within the air conditioning system.