Trane CNT1405 Limit Switch Els PW 17895 the Robertshaw 5300-721 sensing bulb

the Robertshaw 5300-721 sensing bulb is designed for compatibility with common thermal wells and compression fittings across the 5300 series range

This specific factory authorized part features an open temperature of 135°F and a close temperature of 95°F

Engineered with an R23MM internal diameter

leak-proof seal essential for refrigerant flow control in split systems

Double-Acting Protection: Effectively relieves positive pressure to prevent combustion gas spillage in the mechanical room

Trane CNT1405 Limit Switch Els PW 17895 the Robertshaw 5300-721 sensing bulbThe Trane CNT1405 is a high precision 55 65F Auto Limit Switch designed for critical temperature monitoring within HVAC systems and industrial air handlers. This SPST (Single Pole Single Throw) fixed setting control serves as a vital safety component, ensuring your equipment operates within calibrated parameters to prevent thermal related failure or freezing conditions. Engineered for rapid response, the switch is set to open at 65F and close at 55F,