Robertshaw 4500-001 Thermostat Kit R-410A The NEMA 4X enclosure provides

The NEMA 4X enclosure provides superior protection against corrosion and water ingress

reducing the need for site visits after local grid failures

it features multi-speed taps (typically 4-speed) for precise airflow tuning across heating and cooling stages

As the direct CS3AN16A24 cross reference

Robertshaw 4500-001 Thermostat Kit R-410A The NEMA 4X enclosure providesThe Robertshaw 4500 001 Thermostat Kit is a professional grade, universal solution designed for a "one call" field replacement of most BJ and BJWA series mechanical gas thermostats. Engineered for reliability in domestic range and oven applications, this 250 550F Robertshaw thermostat provides high accuracy thermal regulation across a wide temperature spectrum. The kit features a 48 inch capillary and a 3 16 inch x 3 7 8 inch copper bulb, ensuring