Installation Checklist - Rheem Ecosense ECO-180DV Use & Care Manual

Direct vent gas tankless water heater
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Installing the water heater:
Installation Check List
A. Indoor Water Heater Location
Close to area of vent termination .
Indoors and protected from freezing temperatures .
Proper clearance from combustible surfaces observed .
Sufficient fresh air supply for proper operation of
water heater .
Air supply free of corrosive elements and
flammable vapors .
Provisions made to protect area from water damage .
Sufficient room to service heater .
Combustible materials, such as clothing, cleaning
materials, rags, etc . clear of the heater and
vent piping .
Water heater is properly attached to the wall .
B. Water Supply
Water supply has sufficient pressure .
Air purged from water heater and piping .
Water connections tight and free of leaks .
Water filter is clean and in place .
Materials used are as instructed in this manual .
Water pipes are insulated and protected from
freezing .
C. Gas Supply
Gas type matches rating plate .
Gas supply pressure is sufficient for the water heater .
Gas line equipped with shut-off valve, union and
sediment trap .
24
Approved pipe joint compound used .
Soap and water solution used to check all connections
and fittings for possible gas leak .
Gas Company inspected installation (if required) .
D. Relief Valve
Pressure Relief Valve properly installed and discharge
line run to open drain .
Discharge line protected from freezing .
E. Co-Axial Venting
Vent pipe material should be category III and meet
UL1738 in US and ULC S636 in Canada .
Connector(s) pitched (1/4" per foot of length
minimum) DOWNWARD or UPWARD to
termination . If UPWARD, a condensate trap must be
installed close to the heater . See page 13 and 14 .
Connector(s) securely fastened together with high
temperature silicone (500°F [260°C]) and
air-tight .
All co-axial vent runs are properly supported .
Vent terminal is properly installed .
Sufficient combustion air is available .
Maximum and minimum vent lengths are observed .
F. Electrical Wiring
Voltage matches rating plate .
Water heater is properly grounded .
Supply cord and/or wiring meets all local codes .

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