Hired Hand® Photohelic Power Vent Control USA Variable Stages: 10 A at

Variable Stages: 10 A at 120/230 VAC

QC Part #91671

The NSI TORK® 7-Day Digital Timer (model EWZ201C) is an Astronomic Timer that gives you a simple way to control outdoor lighting

Unique Features

Mercury Vapor & Chlorine**

Hired Hand® Photohelic Power Vent Control USA Variable Stages: 10 A atBarns and other agricultural enclosures require extra care in controlling their ventilation systems. This Hired Hand Photohelic Power Vent Control is used to control vent inlets. Maintaining a slight negative pressure inside a building ensures that air flows in evenly from all openings in the building. As static pressure increases, the speed of the incoming air increases. It is important to set the pressure at the appropriate level to ensure maximum