About the Mars High-Pressure Switch, Open on Pressure Rise at 650, Auto Resets at 450 (43367)
Order the MARS 43367 HP PRESSURE SWITCH OPEN 650 here at our online store, PlumbersStock.com. 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 designs HVAC solutions that are both affordable and practical.
