R
DV400S DIRECT VENT ROOM HEATER
Fig. 3 - HORIZONTAL TERMINATION REQUIREMENTS
A.*12” (30cm) minimum: Clearance above grade, veranda, porch, deck, or balcony.
B.*12” (30cm) minimum: Clearance to window or door that may be opened.
C.12” (30cm) minimum: Clearance to permanently closed window (recommended to prevent condensation on window) or window that may be opened.
D.18” (46cm) minimum: Vertical clearance to ventilated soffit located above the terminal within a horizontal distance of 2’ (60cm) from the centerline of the terminal.
E.12” (30cm) minimum: Clearance to unventilated soffit.
F.Clearance to outside corner. Clearance in accordance with local installation codes and the requirements of the
gas supplier.
G.Clearance to inside corner. Clearance in accordance with local installation codes and the requirements of the gas supplier.
H.*Not to be installed above a meter/regulator (gas or electrical) assembly within 3’ (90cm) horizontally from the centerline of the meter/regulator.
I.3’ (91cm) USA/6' (183cm)Canada minimum: Clearance to service regulator vent outlet.
J.12" (30cm) minimum: Clearance to nonmechanical air supply inlet to building or the combustion air inlet to any other appliance.
K.3’ (91cm) USA/6' (183cm)Canada minimum: Clearance to a mechanical air supply air inlet.
L.*+7’ (2.1m) minimum: Clearance above paved sidewalk or a paved driveway located on public property.
M.*#12” (30 cm) minimum: Clearance under veranda, porch, deck, or balcony.
N.Clearance to adjacent building or deck. Clearance in accordance with local installation codes and the requirements of the gas supplier.
+A vent shall not terminate directly above a sidewalk or paved driveway which is located between two
# Only permitted if veranda, porch, deck, or balcony, is fully open on a minimum of two sides beneath the floor.*
*As specified in CGA B149 Installation Codes
Note: Local Codes or regulations may require different clearances.
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V = vent terminal | A = air supply inlet |
= area where terminal is not permitted
March 4, 2002 | Page 11 | 30211C |