Master Flow® power ventilators (roof or gable mount) are your best overall investment in attic ventilation.
While they may cost more to install than other types of ventilation, they remove the greatest volume of hot and/or humid air from your attic, saving you more in heating and cooling costs than any other type of ventilation!
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Features
- Available In Popular Colors
to blend in with your roof (see chart below)
- Heavy Duty Screen
deters animals, birds, and insects
- Every Unit Factory Tested
prior to shipment
- Large Pre-Punched Flashing
for easier installation and less chance of leaks
- Adjustable Humidistat/Thermostat Included
for superior operation (select models only)
- Extra-Long Conduit
for easier electrical hook-up (PR3 models only)
| Mill |
Black |
Brown |
Weathered Wood |
Shingle Match™ WW |
Warranty/Labor Protection Plus Plan† |
| PR1D |
PR1DBL |
PR1DBR |
PR1DWW
CPR1DWW |
- |
5 Yr. Ltd. Warranty/2 Yr. Labor Prot. Plus Plan |
| PR2D |
PR2DBL |
PR2DBR |
PR2DWW
CPR2DWW |
- |
5 Yr. Ltd. Warranty/3 Yr. Labor Prot. Plus Plan |
| PR2DHT |
PR2DBLHT |
PR2DBRHT |
PR2DWWHT |
- |
5 Yr. Ltd. Warranty/3 Yr. Labor Prot. Plus Plan |
- |
- |
- |
- |
PR3XDSMWW |
10 Yr. Ltd. Warranty/5 Yr. Labor Prot. Plus Plan |
- |
- |
- |
- |
PR3DSMWWHT |
10 Yr. Ltd. Warranty/5 Yr. Labor Prot. Plus Plan |
| † See ltd. warranty for complete coverage and restrictions |
Power Vent Accessories
 HUMIDISTAT
(MODEL H1)
- Fully adjustable for all climate conditions
- Can be used with all Master Flow® & LL Building Products Inc. power vents
- Helps power ventilator reduce damaging attic moisture
 HUMIDISTAT/ THERMOSTAT
(Model HT1)
- Fully adjustable for all climate conditions
- Can be used with all Master Flow® & LL Building Products Inc. power vents
- Helps power ventilator reduce damaging attic heat & moisture
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