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General Instructions (Continued)
INFORMATION
•
If a water heater is installed in a closed water
supply system, such as one having a backflow
preventer in the cold water supply line, means
shall be provided to control thermal expansion.
Contact the water supplier or local plumbing
inspector on how to control thermal expansion.
•
Should overheating occur or the gas supply fail to
shut off, turn off the manual gas control valve to
the appliance.
•
Keep the air intake location free of chemicals, such
as chlorine or bleach, that produce fumes. These
fumes can damage components and reduce the life
of your appliance.
EARTHQUAKE STRAPPING
NOTICE
Product installed in the state of California must be
braced, anchored, or otherwise secured to avoid motion
or falling during an earthquake. Contact the California
Office of the State Architect located at 1102 Q Street,
Suite 5100, Sacramento, CA 95811 for instructions.
1. Loosen screws along the perimeter of the plastic
enclosures
2. Remove plastic enclosures
3. Position straps around the Demand Duo tank per
the requirements of California Office of the State
Architect . DO NOT POSITION STRAPS OVER PIPE,
FITTINGS or WIRE.
4. Replace the plastic enclosures. ( Modification of
the plastic enclosures may be necessary to fit the
enclosures over the earthquake straps.)
5. Replace the screws around the perimeter of the
plastic enclosures.
Plastic Enclosure
(Side)
Plastic Enclosure
(Bottom)
STRAP
STRAP
Demand Duo™ 80
Prepare for Installation
Parts included:
•
Commercial Hybrid System
•
Temperature and Pressure Relief Valve (Tank)
•
Pressure Relief Valve (Pre-installed on Tankless)
Tools needed:
•
Pipe wrenches (2)
•
Adjustable pliers
•
Screwdrivers (2)
•
Wire cutters
Tools that might be needed:
•
Hammer drill with
concrete bits
•
Saw
•
Threading machine with
heads and oiler
Materials needed:
•
Soap or gas leak
detector solution
•
Approved venting
Materials that may be needed:
•
Heat tape
•
Electrical wire and
conduit per local code
•
PVC glue/cement
•
5/8" ID PVC flexible
tubing
•
2 conductor 22 AWG
wire for controller
•
Gloves
•
Safety glasses
•
Level
•
Core drill with diamond
head
•
Torch set
•
Copper tubing cutter
•
Steel pipe cutter
•
Teflon tape
(recommended) or pipe
compound
•
Pipe insulation
•
Single gang electrical
box
•
Wire nuts
•
Unions and drain valves
•
Drain Pan
•
Earthquake Strap
5
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