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Mars L290-4 Limit Switch, Open On Temp Rise At 290, Auto Close At 240 (39130) |
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$12.20/
Save 37% ·
Retail: $19.29
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About the Mars 39130Get a discount on the Mars 39130 L290-4 Limit Switch from 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. It will remain off until the switch automatically closes the circuit when the temperature reaches the off threshold. Mars is known for heating and cooling reliability and innovative solutions. |
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