Product Brochure
11
Power Attic Vent 
Accessories
Replacement Thermostat 
(Model PT6)
Humidistat 
(Model H1)
Humidistat/Thermostat 
(Model HT1)
Replacement Motors 
(not shown)
Gable Mount - Automatic Shutter
SGM 20
• Fully adjustable for all climate 
conditions
• Can be used with all Master 
Flow
®
 & previous LL Building 
Products Inc. Power Vents
• Helps power ventilator reduce 
damaging attic moisture
• Automatic and adjustable 
• Compatible with all single- 
speed Master Flow
®
 & 
previous LL Building Products 
Inc. Power Vents
• UL listed
• Fully adjustable for all climate 
conditions
• Can be used with all Master 
Flow
®
 & previous LL Building 
Products Inc. Power Vents
• Helps power vents reduce 
damaging attic heat & 
moisture
• Model PVM105 – Replaces 
motor for the following 
models: PG1, CPG2 
(available in Canada only), 
PG2, PR1, CPR1D, PR1D, 
CPR2D, PR2D, PR2DHT, ERV 
& EGV Series
• Model PVM115 – 
Replacement motor for the 
following models: PSG3, 
PSG3HT, PG3X, PSR10D, 
PSR10DHT, PR3XD & 
PRX3DH
• Versatile... Use with all power gable vents
• Automatic... Moving air opens the louvers only when the 
power vent is operating
• Weather-Resistant... When vent is off, shutter helps prevent 
infiltration of rain, snow, insects, etc.
• Maintenance-Free... White aluminum construction can be 
painted if desired
1
1
Choose the Right Master Flow
®
 Power Attic Vent–Gable Mount
CEGV5
t
, EGV5 EGV6, EGV6HT*
For Maximum Attic Size 
(sq. ft. @ 4:12 Roof Pitch)
2,300
3,000
Air Flow (CFM) 1,450
1,600
Minimum Intake Ventilation Needed at 
Soffits or Fascia, etc. (Net Free Area in 
sq. in.)
696
768
Adjustable Thermostat Included Yes
Yes
Optional Adjustable Humidistat/
Thermostat Available
–Yes
Length of Ltd. Warranty*** (yrs.) 5
10
Length of Labor Protection 
Plus plan*** (yrs.)
35
Power Attic Vent–Roof Mount Color Availability
Mill Black Brown Weathered 
Wood
ShingleMatch
™
Weathered Wood
ERV4 ERV4BL ERV4BR CERV4WW
†
, ERV4WW
–
ERV5 ERV5BL ERV5BR CERV5WW
†
, ERV5WW
–
ERV5HT* ERV5BLHT* ERV5BRHT* ERV5WWHT*
–
– ERV6BL ERV6BR ERV6WW ERV6SMWW
– ERV6BLHT* ERV6BRHT* ERV6WWHT* ERV6SMWWHT*
PRODUCT SPECIFICATIONS
†
Available in Canada Only
 *Includes adjustable humidistat/thermostat 
 **Based on GAF testing at 120 volts
***See Master Flow
®
 Powered Ventilation Products Limited Warranty for complete coverage and restrictions.
Opening Dimensions 
16 
1
/
2
" x 16 
1
/
2
"
Overall Dimensions 
19 
1
/
4
" x 19 
1
/
4
"
Note: Always have a balanced attic ventilation system. The amount of exhaust ventilation should NEVER exceed the amount of 
intake ventilation.
Choose the Right Master Flow
®
 Power Attic Vent–Roof Mount
CERV4
t
, 
ERV4
CERV5
t
, 
ERV5, ERV5HT*
ERV6, 
ERV6HT*
For Maximum Attic Size 
(sq. ft. @ 4:12 roof pitch)
1,600 2,200 2,800
Air Flow (CFM) 1,000
1,250 1,500
Minimum Intake Ventilation Needed at 
Softs or Fascia, etc. (Net Free Area in 
sq. in.)
480 600 720
Energy Usage vs. 
Competitors’ Units**
Up to 55% Less Up to 55% Less Up to 15% Less
Roof Pitch Range 2:12 – 12:12 2:12 – 12:12 2:12 – 12:12
Adjustable Thermostat Included Yes Yes Yes
Optional Adjustable Humidistat/ 
Thermostat Available
– Yes Yes
Length of Ltd. Warranty*** (yrs.) 5 5 10
Length of Labor Protection 
Plus plan*** (yrs.)
235










