Increase your functionality, convenience and energy efficiency to your Infratech heating system with a custom control package. Infratech is a UL 508 listed manufacture and has the engineering, design and expertise to create custom UL listed control packages for any heating application. In order for a custom package to be complete, a main relay control panel must be purchased. The 2 zone analog control can control up to 6 zones on a relay main control panel 3 zones per dial . There are many options and configurations based on how the customer would like to control each heater, please contact our customer service team for the best solution. Note Must purchase main relay control panel to complete this unit. Features UL listed. Control up to 6 zones on a main relay control panel 3 zones per dial . Enclosure Rating Type 1 must be installed in a protected location . Built In Digital Timer 15 min. / 30 min. / 60 min. / 2 hr. / 4 hr. Made in the USA. 1 Year Warranty. Specifications Overall Dimensions 13.19 W x 5.5 H . Gang Box 4 1/2 h x 12 1/4 w x 2 1/2 d. Face Plate 5 1/2 h x 13 3/16 w.