Figure 7 – Milwaukee LSM40MP-2 User Manual

Page 7

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NOTE:.DIAGRAMS.&.ILLUSTRATIONS.ARE.NOT.TO.SCALE.

7

ExTERIOR HORIZONTAL VENT TERMINATION CLEARANCE REQUIREMENTS

Minimum Clearances

Canadian Installation *

US Installation **

A. =. Clearance. above. grade,. veranda,. porch,. deck.

or.balcony.

12.inches.(30.cm).*

12.inches.(30.cm).**

B. =. Clearance. to. window. or. door. that. may. be.

opened.

6.in..(15.2.cm).for.appliances.<.10,000.BTU/hr.(3kW),.
12.in..(30.cm).for.appliances.>.10,000.BTU/hr.(3kW).and.<..

100,000.BTU/hr.(30kW),..36.inches.(91.cm).for.appliances.
>.100,000.BTU/hr.(30kW)*

6.in..(15.2.cm).for.appliances.<.10,000.BTU/hr.(3kW),.
9.in..(23.cm).for.appliances.>.10,000.BTU/hr.(3kW).and.<..

50,000.BTU/hr.(15kW),..12.inches.(30.cm).for.appliances.
>.50,000.BTU/hr.(15kW)*

C.=.Clearance.to.permanently.closed.window

12. inches. (305. mm). recommended. to. prevent. window.

condensation

9.inches.(229.mm).recommended.to.prevent.window.

condensation

D.=.Vertical.clearance.to.ventilated.soffit.located.

above.the.terminal.within.a.horizontal.distance.of..36.
in..(91.4cm).from.the.center.line.of.the.terminal

24.inches.(61.0.cm)

24.inches.(61.0.cm)

E.=.Clearance.to.unventilated.soffit

24.inches.(61.0.cm)

24.inches.(61.0.cm)

F.=.Clearance.to.outside.corner

5.inches.(12.7.cm)

5.inches.(12.7.cm)

G.=.Clearance.to.inside.corner

36".(91.4.cm)

24.inches.(61.0.cm)

H.=.Clearance.to.each.inside.of.center.line.extended.

above.meter./.regulator.assembly

3.feet.(91.cm).within.a.height.of.15.feet.above.the.meter./.

regulator.assembly.*

3.feet.(91.cm).within.a.height.of.15.feet.above.the.meter.

/.regulator.assembly.**

I.=.Clearance.to.service.regulator.vent.outlet

3.feet.(91.cm).*

3.feet.(91.cm).**

J. =. Clearance. to. non-mechanical. air. supply. inlet.

to.building.or.the.combustion.air.inlet.to.any.other.
appliance

6.in..(15.2.cm).for.appliances.<.10,000.BTU/hr.(3kW),.12.

in..(30.cm).for.appliances.>.10,000.BTU/hr.(3kW).and.<..
100,000.BTU/hr.(30kW),..36.inches.(91.cm).for.appliances.
>.100,000.BTU/hr.(30kW)*

6.in..(15.2.cm).for.appliances.<.10,000.BTU/hr.(3kW),.9.

in..(23.cm).for.appliances.>.10,000.BTU/hr.(3kW).and.<..
50,000.BTU/hr.(15kW),..12.inches.(30.cm).for.appliances.
>.50,000.BTU/hr.(15kW)*

K.=.Clearance.to.mechanical.air.supply.inlet

6.feet.(1.83.meters).*

3.feet.(91.cm).above,.if.within.10.feet.(3.m).horizon-

tally**

L. =. Clearance. above. paved. sidewalk. or. paved.

driveway.located.on.public.property

7.feet.(2.13.m).‡

7.feet.(2.13.m).‡

M. =. Clearance. under. veranda,. porch,. deck. or.

balcony

18.in..(46.0.cm).*.‡

18.in..(46.0.cm).**.‡

*.In.accordance.with.the.current.CSA-B149.1.National.Gas.and.B149.2.Propane.Installation.Code.-.Latest.Editions.

**.In.accordance.with.the.current.ANSI.Z223.1./.NFPA.54.National.Fuel.Codes.-.Latest.Edition.
‡.A.vent.shall.not.terminate.directly.above.a.sidewalk.or.paved.driveway.which.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.2.sides.beneath.the.floor.

Figure 7

NOTE: Local Codes Or Regulations May Require

Different Clearances.

NOTE: Location Of The Vent Termination Must Not

Interfere With Access To The Electrical Service.

V

V

V

V

V

F

C

B

B

A

B

H

M

I

X

V

D

V

A

A

A

V

L

B

J

X

E

V

A

G

*18”

18”

B

C

C

C

K

X

* See Item D in the Text Below.

Center Line

of Termination

Exterior Wall

Horizontal

Termination

Ventilated Soffit

Inside Corner

DETAIL D

Inside

Corner Detail

Operable

Window

Fixed

Closed

Window

= 9" in U.S.

= 12" in Canada

3 ft.

3 ft.

= Air Supply Inlet

= Vent Terminal

= Area where Terminal is NOT permitted

24"

36"

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