A functioning 300°F limit switch should show a closed circuit (continuity)

System Protection: Safe-start check and full-time flame monitoring prevent hazardous gas accumulation

Designed with a low-melting-point alloy

or 250V unit

it functions solely as a temperature limit and circulator control

Tecumseh K71-19 Relay Kit 323055-751 A functioning 300°F limit switchAs a field technician, you know that a soft start isn't just a preferenceit's a requirement for system longevity. The Tecumseh K71 19 Relay Kit is the professional grade solution for managing compressor start up and operational cycling in demanding refrigeration and air conditioning environments. Engineered specifically for AEA5460EXA 1 compressor models and related high capacity hermetic units, this kit provides a high amperage switching capacity