Maintenance
- Regular maintenance = high efficiency.
 - The PP filter element should be checked regularly.
 - If dirty, this should be cleaned with warm water and a brush.
 - Each year there are periods (blossom, autumn etc.) during which thWontrol needs to be checked more regularly.
 - Regular maintenance of roof gutters significantly increases the efficiency of the Devacontrol.
 
										
										
										
										