About the Mars PS80-02-F1255 Low-Pressure Switch, Open on Pressure Drop at 45, Auto Resets at 60 (43351)
Shop now and get the Mars 43351 PS80-02-F1255 Pressure Switch, SPST/N0, Close on Rise at PlumbersStock online. Pressure switches make contact on pressure rise/fall, which enables its switching operation. A pressure switch senses negative pressure in a furnace and shuts it down as a safety measure against harmful fumes and gas leaks.
As the manufacturer describes it, MARS Pressure Switches deliver the reliability and performance that makes them the most trusted electromechanical sensor. The MARS line of pressure switches cover many new R410A applications along with traditional pressure setting switches. It's easy to replace. Mars is an industry leader because of their quality HVAC solutions.
