Studor Air Admittance Valves (AAVs) are negative pressure-activated, one-way vents, used in a drainage system to eliminate the need for passive pipe venting and unsightly, costly roof penetrations.
Emmett, ID Weather. The average temperature of Emmett is 50.41Â°F, which is higher than the Idaho average temperature of 46.32Â°F and is lower than the national average temperature of 54.45Â°F. Topics:Heating Cost IndexCooling Cost IndexHistorical TemperatureHistorical PrecipitationHistorical SnowHistorical HumidityHistorical Wind Speed.
Key weather averages for Boise in January. 1  2. 2Â°C max day temperature. 2  4. 4 hours of sunshine per day. 3  12. 12 days with some rainfall. - 4 6. 5  9. 9 hours of daylight per day. 6  0. No heat & humidity. 7  38. 38 mm of monthly rainfall. 8  1. 1 (Low) UV index.