INSTALLATION AND OPERATION INSTRUCTIONS
1-10
VFC 15-150 - VFC 45-225 MODULATING GAS BOILERS
Vent terminal clearance minimums are as follows:
•
Clearance above grade, veranda, porch, deck or balcony – 12" (0.3m), but
check local code also (anticipated snow levels may supersede).
•
Clearance to openable window or door – 36" (0.91m) (usa – 12”)
•
Vertical clearance to ventilated sofit located above the terminal within a
horizontal distance of 2’ (0.61m) from the centreline of the terminal.
•
Clearance to each side of centreline extended above meter/regulator
assembly: - 3' (0.91m) within a height of 15' (4.6m) above the meter/regulator.
•
Clearance to service regulator vent outlet: - 3' (0.91m)
•
Clearance to non-mechanical air supply inlet to building or the combustion air
intake to any other appliance: - 3' (0.91m) (usa – 12" (0.3m))
•
Clearance to a mechanical air supply inlet: - 6’ (1.82m) (usa - 3’ (0.91m)
above if within 10’ (3.1m) horizontally)
•
Clearance above paved sidewalk or paved driveway located on public
property: - 7' (2.2m)
Note: Cannot terminate directly above a paved sidewalk
or paved driveway that is located between two single family dwellings and
serves both dwellings
•
Clearance under veranda, porch, deck or balcony: - 12" (0.3m).
Note:
Prohibited unless fully open on a minimum of two sides below the floor.
•
Vents must be installed such that flue gas does not discharge towards
neighbor’s windows, or where personal injury or property damage can occur.
•
it is important to ensure proper condensate management from vent terminations.
Condensate shall not be discharged in a manner that will cause damage to
external building finishes or components, or infiltrate the building envelope.
WARNING
In areas of high snowfall,
Users must be advised to
check side wall vent and
air intake terminations on
a regular basis to ensure
blockage does not occur.
Figure 6: Vent terminal clearances
Figure 7: Prohibited installation
Figure 9: Vent terminal clearances
Figure 8: Vent terminal clearances
Summary of Contents for VFC 15-150
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