Product Brochure

131
3
Master Flow
®
Green Machine
High-Power Solar Roof Vents
USAGE RECOMMENDATIONS (Based on 1/300 Attic
Ventilation Rule)
Total Attic
Square Footage
Recommended Number Of
Master Flow
®
Green
Machine
High-Power
Solar Vents
Minimum Intake Ventilation
(Net Free Area In Sq. In.)
1600 2 720
3200 3 1080
4800 5 1800
Note: Always have a balanced attic ventilation system. The amount of exhaust ventilation should NEVER exceed the amount of
intake ventilation.
Hot, stale attic air is removed through the Master Flow
®
Green Machine
High-Power Solar Roof Vents. Fresh air is drawn into the attic
through the soffit (or other) intake vents.
Solar-Powered Model
(PRSOLAR2)
AVAILABLE IN TWO MODELS
Dual-Powered Model
(PRHYBRID2)
Helps reduce attic cooling costs!
20-watt integral solar panel
• Up to 750 CFM airow
Includes adjustable thermo-
stat/humidistat (below)
Unique Dual-Power technology
for 24/7 cooling switches
automatically between solar
and house power for continuous
cooling during cloudy weather
or at night.
20-watt integral solar panel
Up to 750 CFM airow on
solar power, 900 CFM on
house power
Uses
1
/
6
th
the electricity of
typical electric power vents
Includes adjustable thermostat
(below)
(below
)
SLRHT1
SLRT1
Note: Also available SLRM105
replacement motor (not pictured)