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DURABLOW® CRAWL SPACE VENTILATOR MANUAL
(M1, M2)
©2018 DURABLOW ALL RIGHTS RESERVED
(Version 20181009) Page
2
INSTALLATION
The DURABLOW® Crawl Space Ventilator must be installed by a qualified technician with this
instructions / manual. Improper installation can cause a hazardous danger such as fire, electric
shock or personal injury or death.
Please contact with DURABLOW® (info@payandpack.com) if any questions in installation. Keep the power source
disconnected before & during the installation and maintenance.
TOOLS & SKILLS
a. 5/16" Nut Runner or Flat Head Screw Driver.
b. Drill with 5/16" Masonry Bit if mounting on brick or foundation block.
c. Model M1 must be hard wired. Grounding Outlet within 6 feet of Ventilator location (M2).
LOCATION - Install this Ventilator from inside of the crawl space, behind existing foundation ventilation openings.
★ 4 EVA pads are included in box to reduce vibration and noise. Apply on 4 sides of front panel before mounting.
1. Remove the existing doors / covers on ventilation openings around the perimeter of the crawl space.
2. Position the Crawl Space Ventilator over the ventilation opening.
3. (a) If installing on foundation block or brick, mark location of mounting holes in the four corners of the metal
panel plate and drill 5/16" holes with masonry drill bit. Insert wall anchors into openings and secure Crawl Space
Ventilator to the wall with four screws. (b) If installing on a wood wall, rim joist or mesh panel on crawl space
vent openings, secure your ventilator with screws, washers and nuts in the four corners of the ventilator metal
panel plate.
INSTALLING MODEL M1
INSTALLING MODEL M1D, M2 M2D
(it is model M2D shown below)
CAUTION: For general home ventilation use ONLY. Not for industrial or exhausting hazardous gases use.
WARNING: To avoid the danger of fire or electric shock, do NOT use with any solid-state speed control device.
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