Common Questions What is the difference between blade terminals and pin terminals for this series

Using a genuine Trane replacement part like the SEN1159 maintains original equipment specs and prevents the common calibration issues associated with aftermarket thermistors

the tin-plated bulb and stainless steel casing are designed to handle high humidity and varying exterior conditions common in commercial outdoor installations

Common Questions & Troubleshooting What causes a 160 degree rollout switch to trip

the switch is calibrated to open the circuit at 200°F if overheating occurs and features an auto-reset function that closes once the temperature drops back to 101°F

Honeywell 311855 Spring Common Questions What is the8 12# Spring, Gray in Color , For Use with 8" MP953C and E Series 311855 is identical to 311855 U