Installation Manual and Owner’s Guide WH-321063-NG, WH-321063-LP
ECOHOT
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J= Clearance to nonmechanical
Air supply inlet to building or
the combustion air inlet to any
other appliance
6 inches (15cm) for
appliances <10,000Btuh(3kW),
12 inches(30cm) for appliances>
10,000Btuh(3kW)and ≤100,000
Btuh(30kW), 36inches(91cm) for
Appliances>100,000Btuh(30kW)
6 inches (15cm) for
appliances <10,000Btuh(3kW),
9 inches(23cm) for appliances>
10,000Btuh(3kW)and ≤50,000
Btuh(15kW), 12inches(30cm) for
Appliances>50,000Btuh(15kW)
K= Clearance to a mechanical air
Supply inlet
6 feet(1.83m)
3 feet(91cm) above if within 10
feet(3m) horizontally
L= Clearance above paved
Sidewalk or paved driveway
located on public property
7 feet(2.13m) ┼
*
M= Clearance under veranda,
Porch deck, or balcony
12 inches(30cm) ╪
*
(1)In accordance with the current CSA B149.1
Natural Gas and Propane Installation Code
(2)In accordance with the current ANSI Z223.1/NFPA 54
National Fuel Gas Code
┼A vent shall not terminate directly above a sidewalk or paved driveway that is located between two
single family dwellings and serves both dwellings.
╪Permitted only if veranda, porch, deck, or balcony is fully open on a minimum of two sides beneath
the floor.
☼For clearances not specified in ANSI Z223.1/NFPA 54 or CSA-B149.1, one of the following shall be
indicated:
a)
A minimum clearance value determined by testing in accordance with section 2.20, or ;
b)
A reference to the following footnote:
Note: ECOHOT
TM
Minimum Clearances to combustibles:
Sides 6”
Floor 12” (or 12” above snow levels)
Eaves or Gutters 36”
Front 6”
Back 0”
BE SURE TO KEEP VEGITATION GROWTH CLEAR FROM WATER HEATER VENT PIPE.
