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Use the range adjusting screw located at the top of the spring housing
maintaining electrical specifications required by the DDC control logic
For technicians installing commercial or residential gas heaters
OEM Compatibility: Designed for an exact fit in Carrier
Bard HVAC 8402-033BX Limit Switch 321142-301 Use the range adjusting screwThe Bard 8402 033BX Limit Switch is a critical safety component designed for precise thermal regulation within high performance environmental control units. This L140 25F manual reset limit is engineered to interrupt the electrical circuit when internal temperatures exceed 140F, providing essential protection against heat exchanger failure and overheating. Featuring a 25F differential, this Bard HVAC replacement part ensures stable operation and
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