Danger, Clearances and accessibility, Gas supply – John Wood Superflue Power Vent (75 Gallon) User Manual
Page 8
Note: The water heater may be installed in a closet with a
door off a bedroom or bathroom providing the units are
installed and vented per the manufacturer's instructions.
Important: If installing over carpeting, the carpeting must
be protected by a metal or wood panel beneath the water
heater. The protective panel must extend beyond the full
width and depth of the water heater by at least 76mm (3 in.)
in each direction or if in an alcove or closet installation, the
entire floor must be covered by the panel.
Clearances and Accessibility
• The minimum clearances between the heater and com-
bustible materials are:
Top
300mm (12 in.)
Front
100mm (4 in.)
Rear and Sides
25mm (1 in.)
Note: These requirements are also listed on the data plate
located on the front of the water heater.
• The water heater is certified for installation on a com-
bustible floor.
Figure 2 may be used as a reference guide to locate the
specific clearance locations. A minimum of 600mm (24 in.)
of front clearance and 100mm (4 in.) on each side should be
provided for inspection and service.
Gas Supply
Read the data plate to be sure the water heater is made
for the type of gas you will be using in your home. This
information will be found on the data plate located above the
gas control valve. If the information does not agree with the
type of gas available, do not install or attempt to start. Call
your dealer.
Note: An odourant is added by the gas supplier to the gas
used by this water heater. This odourant may fade over an
extended period of time. Do not depend upon this odourant
as an indication of leaking gas.
This gas piping must be installed in accordance with all local
and provincial or state codes or, in the absence of such, the
latest edition of "Natural Gas and Propane Installation
Code" CAN/CSA-B149.1 (Canada), or "National Fuel Gas
Code" ANSI Z223.1 (NFPA 54) (U.S.A.).
Use properly sized gas piping and to ensure full gas input
and a properly sized gas supply regulator to ensure ade-
DANGER
Explosion Hazard
• Use a new CSA approved gas supply line.
• Install a gas supply shut-off valve.
• Do not connect a natural gas water heater
to a L.P. gas supply.
• Do not connect a L.P. gas water heater to
a natural gas supply
• Failure to follow these instructions can
result in death, an explosion or carbon
monoxide poisoning.
GROUND-JOINT
UNION
MANUAL
GAS
SHUT-OFF
SEDIMENT
TRAP
GAS
VALVE
GAS
MANIFOLD
76mm (3 in.)
Figure 3 Gas Piping
– 8 –
Figure 2 Rough-in Dimensions
“G”
COLD INLET
3/4” NPT
HOT OUTLET
3/4” NPT
HEATING
OUTLET
HEATING
INLET
POWER CORD
(120) VAC/60Hz
GAS INLET
1/2” NPT
DRAIN
VALVE
T&P
VALVE
“A”
“I”
“B”
“E”
“D”
“F”
“C”
“H”
A
B
C
D
E
F
G
H
I
mm 610 302 432 1388 1575 1826
76 305 537
in.
24 11-7/8 17 54-5/8
62
71-7/8
3
12 21-1/8
G/JW75
MODEL NO.