This board is designated as a Carrier HK42FZ025

High-Temperature Performance: Braided PTFE and Aramid packing maintain integrity under thermal cycling up to 400°F

reducing mechanical stress on the system while maintaining optimal thermal regulation

it maintains factory performance standards and electrical specifications

Easy Retrofit: The standard 11-pin octal plug design facilitates rapid field replacement in existing control panels without rewiring

Tecumseh K71-49 Relay Kit 326058-757 This board is designated asThe Tecumseh K71 49 Relay Kit is a critical electrical component designed for single phase reciprocating compressors in commercial and residential refrigeration applications. As an OEM spec compressor start relay, this kit is engineered to manage high torque start cycles, ensuring the motor windings receive the precise voltage needed for rapid acceleration without excessive electrical load. For technicians troubleshooting hard starting units or