Operating Guide

17
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In regards to the HOT WATER OUTLET:
• Connections between the water heater and point(s) of use
should be as short and direct as possible.
• DO NOT use lead or non-approved plastic pipe.
• To conserve energy and minimize heat loss, insulation of hot
water piping is recommended.
NOTICE: The pressure rate of hot water may vary when more than two
faucets (appliances, xtures, etc.) are being used simultaneously.
NOTICE: The pipes MUST be completely drainable. If the hot water
faucets are located at a point higher than the water heater, place a drain
valve at the lowest point (see diagram to the left).
• The Manual Gas Appliance Shuto Valve must be installed at the gas
connection of the water heater at the time of installation (see diagram to the
left).
• The branch gas supply line to the water heater should be clean black steel
pipe or other approved gas piping material.
• A ground joint union or ANSI design certied semi-rigid or exible gas
appliance connector should be installed in the gas line close to the water
heater.
• The National Fuel Gas Code (NFGC) mandates a manual gas shut-o valve:
See (NFGC) for complete instructions.
• A sediment trap should be installed at the bottom of the gas line.
• The inlet gas pressure to the water heater must not exceed 10.5“ w.c.
for natural or 14” w.c. for LP gas. For purposes of input adjustment,
the minimum inlet gas pressure (with main burner on) is shown on
the water heater rating plate. If high or low gas pressures are present,
contact your gas supplier for correction
• The water heater and its indivdual shuto valve must be disconnected
from the gas supply piping system during any pressure testing of that
system at test pressures in excess of ½ psi (3.5 kPa).
• The water heater must be isolated from the gas supply piping system
by closing its individual manual shuto valve during any pressure
testing of the gas supply piping system at test pressures equal to or
less than ½ psi (3.5 kPa).
WARNING: Do not attempt to convert this water heater for use with a dierent type of gas other
than the type shown on the rating plate. Such conversion could result in hazardous operating
conditions. Please have a professional connect the gas pipe.
DO NOT use excessive force (over 31.5 ft lbs.) in tightening the pipe, particularly if pipe compound is used, as
the unit may be damaged.
Compound used on the threaded joints of the gas piping must be of the type resistant to the action of LP gas.
Use compound sparingly and use on male threads only.
Water Connections
Gas Supply
Installation