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Bard part number 8402-155BX is an OEM limit control switch used as a temperature safety and operating control in Bard HVAC equipment, commonly tied into electric heat and other high temperature circuits where the unit must open the circuit on a temperature rise and reset as temperatures drop. Rated for an approximate 180F open and 145F close range, this boxed replacement helps protect the system from overheating while keeping operation consistent with factory specifications. For best fit and correct wiring, match the part number on your existing control and verify the setpoints and mounting style against your Bard unit model and service literature before ordering.
* Orders less than $50 may incure a minimum order fee.
Bard uses suffixes like "BX" to manage parts internally. These do not change the physical form or function of the part.
A part number ending in "BX" simply means it is packaged in a box for shipping, rather than for internal assembly use.
Example: 8406-142BX is physically identical to 8406-142.