provided the limit switch temperature settings and mounting configuration match the 47-21663-09 technical specifications

Is this switch polar-sensitive

Precision Sensing: Utilizes high-sensitivity surface contact to provide accurate temperature feedback

this 24" thermocouple provides the precise millivoltage needed to maintain the safety circuit and prevent nuisance pilot outages

Bard HVAC 8407-068BX Transformer provided the limit switch temperatureThe Bard HVAC 8407 068BX Transformer is an essential component for maintaining stable control voltage in Bard wall mounted HVAC systems. This unit is engineered to provide reliable step down voltage conversion, taking a 208 240V primary input and delivering a consistent 24V secondary output with a 50VA power rating. It's the direct service replacement for the S8407 068 and other superseded Bard transformer models, ensuring seamless integration and