IMPORTANT: KEEP THIS MANUAL FOR FUTURE REFERENCE!
Thank you for purchasing this Marey tankless water heater. 
In order to ensure proper installation, safe operation, and long life, please carefully read 
these instructions. Installation should only be completed by licensed professionals. The use 
of professionals ensures the installation is in full compliance with all required building, 
plumbing and electrical codes.
Keep this manual for future reference. This booklet includes useful information about the 
product, maintenance requirements and the details of your product warranty.
1.1 INTRODUCTION
READ AND FOLLOW ALL INSTRUCTIONS.
When using this equipment, basic precautions should always be followed.
SAFETY DEFINITIONS
This symbol is the safety alert symbol which is used to alert you to 
potential hazards that can kill or hurt you and/or others.
Indicates an imminently hazardous situation which could result in 
death or serious injury.
Indicates a potentially hazardous situation which could result in 
death or serious injury.
Indicates a potentially hazardous situation which could result in 
minor or moderate injury. It may also be used to alert against 
unsafe practices.
1.2 IMPORTANT SAFETY INSTRUCTIONS
1. INTRODUCTION AND SAFETY WARNINGS
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