Notice: wpdb::prepare was called incorrectly. The query does not contain the correct number of placeholders (2) for the number of arguments passed (3). Please see Debugging in WordPress for more information. (This message was added in version 4.8.3.) in /var/www/vhosts/sta-hvac.com/httpdocs/wp-includes/functions.php on line 4676
Air humidifier UMR Series are based on the principle of water evaporation at boiling temperature by mean of electric resistance.
An electronic regulator keep constant the water level in the tray and protect the electric heaters.
The environmental humidity value is controlled by humidity sensor (not included in the humidifier, optional).
The UMR Series are designed to be installed in air conditioning unit and supply ducts both in civil and industrial plant.