Lennox Hearth L30 DVF-2 operation manual Installation, Horizontal Vent Termination Requirements

INSTALLATION

HORIZONTAL VENT TERMINATION REQUIREMENTS

The venting terminals should not be recessed into a wall or siding.

A = 2” Clearances above grade, veranda, porch, deck or

balcony.

B = 12” Clearance to window or door that may be opened.

C = 9” (USA) Clearance to permanently closed win- dow.12” (CAN)

D = 24” Vertical clearance to ventilated soffit located above the terminal within a horizontal distance of 2 feet (60 cm) from the center-line of the termi- nal.

E = 12” Clearance to unventilated soffit. F = 9” Clearance to outside corner.

G = 6” Clearance to inside corner.

H = 3 ft. (USA) Not to be installed above a me- ter/regulator assembly within 3 feet (90 cm) hori- zontally from the center-line of the regulator.

I = 3 ft. (USA) Clearance to service regulator vent out- let.

6 ft. (CAN)

J = 9” (USA) Clearance to non-mechanical air supply inlet to building or the combustion air inlet to 12“ (CAN) any other appliance.

K = 3 ft. (USA) Clearance to a mechanical air supply inlet.

6 ft. (CAN)

L* = 7 ft. (USA)Clearance above paved side-walk or a paved driveway located on public property.

M**= 12” Clearance under veranda, porch, deck or bal- cony

*A vent shall not terminate directly above a side-walk or paved driveway which is located between two sin- gle family dwellings and serves both dwellings.

**Only permitted if veranda, porch, deck or balcony is fully open on a minimum of 2 sides beneath the floor.

•Note: Local Codes or Regulations may require differ- ent clearances.

PAGE 11