About the Mars PS80-02-1259 Low-Pressure Switch, Open on Pressure Drop at 170, Auto Resets at 250 (43355)
Enjoy this deal on the Mars 43355 PS80-02-1259 Pressure Switch, SPST/NO, 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 a trusted HVAC brand known for quality manufacturing.
