PLEASE NOTE: SH12
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A IS FOR INDOOR PERMANENT INSTALLATIONS ONLY. THIS MANUAL AND ALL ECCOTEMP CONTENT IS SUBJECTED TO CHANGE WITHOUT NOTICE.
PLEASE VISIT SUPPORT.ECCOTEMP.COM FOR MORE INFORMATION.
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Support: Support.Eccotemp.com Shop Online: www.Eccotemp.com Phone: 866-356-1992
English
Installation
LEAK TESTING
WARNING! Never use an open ame to test for gas leaks, as property damage, personal injury, or
death could result.
The water heater and its connections must be leak tested at normal operating pressures before it is placed in
operation.
• Turn on the gas shut-o valve(s) to the water heater.
• Use a commercial leak detector or soapy water to test for leaks at all connections and ttings. Bubbles
indicate a gas leak that must be corrected.
The factory connections should also be leak tested after the water heater is placed in operation.
HIGH ALTITUDE
The Eccotemp SHLX SMARTHOME Indoor Gas Tankless Water Heater has been tested for use at elevations up to
2000 ft. Installation and use of the Eccotemp SHLX above 2000 ft. may eect overall eciency and performance.
Installation and use of the Eccotemp SHLX above 2000 ft. is not recommended.
PRESSURE TESTING THE GAS SUPPLY SYSTEM
WARNING! Install a gas pressure regulator, in the gas supply line, which does not exceed the
maximum supply pressure.
DO NOT use an individual type gas regulator.
Failure to isolate heater during pressure test can damage internal components, voiding the manufacturer’s
warranty. The water heater and its individual shut-o valve must be disconnected from the gas supply piping
system during any pressure testing of that system at testy pressures in excess of 1/2 psi. The water heater must
be isolated from the gas piping system by closing the manual gas shut-o valve during any pressure testing of
the gas supply piping at test pressures equal to or less than 1/2 psi (14’w.c.).