♬S1-02529041005 replaceable part number: 025-29041-005 L140 furnaces fan limit switches, suitable for mainstream models such as P4HUB12N08001A, P4HUA12N06401A, YCJF24S41S1. ♬140°F disconnect, 110°F close, HVAC temperature control limit switches is a device used to turn off equipment. It can temperature or pressure from exceeding the value of the switches. When the furnaces temperature exceeds the preset threshold (140°F), the switches will automatically cut off the heating circuit. ♬Designed to protect your furnaces from overheating, it can effectively damage to the machine systems and ensuring the safe operate of the furnaces and fan. ♬This limit switches is supported by high temperature resistant , with long term durability and excellent , and can withstand high temperature working environments for a long time. ♬By replacing a new limit switches, you can avoid circuit failures and heating interruptions caused by a faulty limit switches. Keep warm in the colder season.