Section 4. Operation Instructions
32
Operation Instructions
BASIC SYSTEM OPERATION
FOR YOUR SAFETY: READ BEFORE LIGHTING
If you do not follow these instructions exactly, a fire or explosion may result causing property damage,
personal injury or loss of life.
Do not attempt to light the heater if you suspect a gas leak. Lighting the heater can result in a fire or
explosion which can cause personal injury, death, and property damage.
START-UP AND OPERATION
START-UP AND SHUTDOWN INSTRUCTIONS ARE ON THE LABEL ATTACHED TO THE COVER OF THE APPLIANCE
CONTROL BOX.
BEFORE START-UP
WHAT TO DO IF YOU SMELL GAS
MASTERTEMP
®
125 Pool and Spa Heater Installation and User's Guide
WARNING
Rev. B 8/14