Mars 33919 High-Pressure Cut-Out Control, 375/275

About the Mars 33919 High-Pressure Cut-Out Control, 375/275

Buy now and get the Mars 33919 High-Pressure Cut-Out Control, 375/275 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 has a strong reputation in the heating and cooling industry for quality manufacturing.