Here you will find the Mermaid 300-224 Thermostat Owner’s and Operations Manual used from 2003-2005.  The entire manual is attached.  Please refer to pages 21-26 for the 300-224 Model Thermostat Instructions.

THIS PRODUCT IS NO LONGER AVAILABLE HENCE THE ZERO PRICE.  PLEASE CONTACT THE MERMAID FACTORY OR CHOOSE FROM ONE OF THE CURRENT MODELS IF A REPLACEMENT IS NECESSARY