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HREI
Inst Issue 1: 09.05.16
12. Precautions
12.1 Never obstruct the smoke exhaust system or the air intake.
12.2 Never spray any water into the gas heater.
12.3 Never have combustible objects within the "safe" distance around the gas
heater.
12.4 Never make any modifications, which should always be done by a
Certified Technician.
12.5 Warn the Maintenance Technician of any changes to the gas, gas pressure
or the modification to power supply system.
You are strongly recommended to take out a maintenance contract
with your Installer or a Certified Gas Care Technician. Hydor are able to
offer this Service.