Shop for the Mars 39096 180 Limit Switch MR180 Manual Reset 3/4" with the pros at PlumbersStock. Limit switches are sensors that detect when a furnace has exceeded operational temperature limits and shut the appliance down as a safety measure. The way it works is that if your temperature gets to a concerning level, the limit switch will automatically open the circuit so it shuts off. The circuit will remain open/off until it is manually reset. Mars is a popular HVAC brand among both homeowners and contractors for good reason.
Manufacturer: | Mars |
Mpn # | 39096 |
Weight | 0.10 lbs. |