14 • Residen al Gas Tankless Water Heater Use and Care Guide
GETTING STARTED
4
Before you start, be sure you
have the following tools and
supplies:
• Plumbing tools and supplies appro-
priate for the type of water pipes in
your home.
• Thread sealant tape or pipe joint
compound approved for potable
water.
• For homes with water lines using
threaded connectors suitable for the
speci
fi
c type of plas c pipe used:
CPVC or PEX (cross-linked polyeth-
ylene). Do not use PVC pipe.
• Non-corrosive gas leak detec on
solu on made from hand
dishwashing soap mixed with water
(1 part soap to 15 parts water) or
children’s soap bubbles and a small,
so -bristled brush or approved gas
leak detec on device.
• An appliance dolly or hand truck to
move the water heater.
Recommended Accessories
• Automa c water leak detec on and
shut-o
ff
device
• Thermosta c Mixing Valves at each
point-of-use
• Fuel gas and carbon monoxide
detector
Included Items
Table 4: Items Included with your Water Heater
Item
Descrip on
Manual
Installa on Instruc ons and Use & Care Guide.
Pressure Relief
Valve
Pressure Relief Valve rated up to 150 psi and the maximum BTU/hr of the
water heater.
(Included with X3® models; Field supplied for M models)
Wall Moun ng
Bracket
Kit for moun ng water heater contains:
• Moun ng Bracket (1x)
• 1/4” x 3” Lag Bolts (4x)
Screws for
Vent Ports
Screws to secure the vent piping to the vent ports. See “Installing the Vent
Pipe.” on page 23.
• 3/16” x 3/8” Vent Screw (x2)
X3® Cartridge
Screws
(x1)
(x2)
Screws to secure the X3® Cartridge
• M4-12mm (1x)
• M4-25mm (2x)
Cascading Cable
Cascading Cable for electronically connec ng tankless water heaters in
series for greater output.
• P/N 100371915
Fuel Conversion
Kit
Convert heater from Natural Gas (NG) to Liquid Propane (LP). Kit contains:
• LP Diaphragm
• Gas Conversion Label (1x)
• Gas Conversion Instruc on (1x)
• Plas c Retainer (1x)
2” Bird Screens
Bird screen to restrict small animals, birds, pests, and other foreign objects
from entering the vent system. Kit contains 2 screens sized for 2” vent
elbows.
