Mars 33913 High-Pressure Cut-Out Control, 325/225

About the Mars 33913 High-Pressure Cut-Out Control, 325/225

Save on the Mars 33913 High-Pressure Cut-Out Control, 325/225 here online at PlumbersStock. 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 is a trusted HVAC brand known for quality manufacturing.