Desa CD36M(-1)(-2), CD32M(-1)(-2), CD42M Vent Pipe And Termination Clearances

VENT PIPE AND TERMINATION CLEARANCES

The final position of your appliance depends on the location of the termination in relation to the clearances that must be observed.

A= 12” (305mm) clearance above grade, veranda, porch, deck or balcony. ***

B= 9” (229mm) clearance in U.S. and 12” (305mm) clearance in Canada to window or door that may be closed.

C= 9” (229mm) clearance in U.S. and 12” (305mm) clearance in Canada to permanently closed window or door that maybe opened.

D= 18” (475mm) vertical clearance to ventilated and 12” (305mm) to unventilated soffit located above the terminal within a horizontal distance of 2 feet (610mm) from the centerline of the terminal.

E= 12” (305mm) clearance below eaves. F= 9” (229mm) clearance to outside corner.

G= 6” (15mm) clearance to inside corner.

H= not to be installed above a meter/regulator within 3 feet (914mm) horizontally from the centerline of the regulator. ***

I= 36” (914mm) clearance in U.S. and 72” (1829mm) in Canada to service regulator vent outlet. ***

J= 12” (305mm) clearance to non-mechanical air supply inlet to building or the combustion air inlet to any other appliance.***

K= 36” (914mm) clearance to a mechanical air supply inlet. L= 84” (2134mm) clearance above paved sidewalk or paved driveway located on public property. *

M= 12” (305mm) clearance under veranda, veranda, porch, deck or balcony. **

*vent shall not terminate directly above a sidewalk or paved driveway that is located between two single-family dwellings and serves

both dwellings.

**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 (1991) for Canada or for U.S. installation follow the current National Gas Code, ANS Z223.1. Note: Local codes or regulations may require different clearances

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