Crucial Step: Never turn on the electricity before filling the unit with water. Running the heating elements dry will instantly burn them out. Leave the electrical power turned .
Attach the 3-way connector valve to the cold water supply line using Teflon tape to prevent leaks. galaxy aqua premier installation manual
After leak checks and media loading:
The manual emphasizes mounting upside down or horizontally, as air pockets can form. Crucial Step: Never turn on the electricity before