Mars 33956 High-Pressure Cut-Out Control, 350-250

About the Mars 33956 High-Pressure Cut-Out Control, 350-250

Get a bargain on the Mars 33956 High-Pressure Cut-Out Control, 350-250 from PlumbersStock.com. A pressure switch senses negative pressure in a furnace and shuts it down as a safety measure against harmful fumes and gas leaks. It's easy to replace. Mars manufactures heating and cooling solutions that are both innovative and practical.