Hearth & Home Technologies 810-02901 (MBK) User Manual

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September 1, 2008

250-7251F

Page  15

1. 

An outside air inlet must be provided for the combustion 
air and must remain clear of leaves, debris, ice and/or 
snow.  It must be unrestricted while the appliance is 
in use to prevent room air starvation which causes 
smoke spillage.  Smoke spillage can also set off smoke 
alarms.  

2.  The combustion air duct system must be made of 

metal.  It must permit zero clearance to combustible 
construction and prevent material from dropping into 
the inlet or into the area beneath the dwelling and 
contain a rodent screen.

3. 

The appliance must be secured to the mobile home 
structure by bolting it to the floor (using lag bolts). Use 
the same holes that secured the appliance to the ship-
ping pallet.

4. 

The appliance must be grounded with #8 solid copper 
grounding wire or equivalent, terminated at each end 
with an NEC approved grounding device.

5. 

Refer to clearances to combustibles and floor protection 
requirements on pages 8 & 9 for listings to combus-
tibles and appropriate chimney systems.

6.  Use silicone to create an effective vapor barrier at 

the location where the chimney or other component 
penetrates to the the exterior of the structure.

7. 

Follow the chimney manufacturer’s instructions when 
installing the vent system for use in a mobile home.

8. 

Installation shall be in accordance with the Manufactur-
ers Home & Safety Standard (HUD) CFR 3280, Part 
24.

Maintain structural integrity of mobile home:
•   Floor, wall, ceiling and/or roof.
Do NOT cut through:
•  Floor joist, wall studs or ceiling trusses.
•  Any supporting material that would affect the structural 

integrity.

Never install in a sleeping room.

Installation must comply with Manufactured Home and 
Safety Standard (HUD), CFR 3280, Part 24.

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