This kit is calibrated for a standard 60 to 90F range

Its compact design allows for seamless mounting within Lennox packaged units and RTUs without requiring field modifications

Key Benefits Direct OEM Replacement: Fully interchangeable with part number 49L9101 and Honeywell IS20100-3073 for seamless field installation

so there is no differential adjustment screw

a compressor failing to start within seconds

Robertshaw 5300-159 Thermostat R-410A This kit is calibrated forThe Robertshaw 5300 159 is a high limit DPST (Double Pole Single Throw) thermostat engineered for precise temperature regulation in demanding commercial cooking and industrial environments. This 5300 series energy cutoff operates within a fixed range of 170F to 475F, providing a critical safety layer for deep fryers, ovens, and steam equipment. It features a 72 inch stainless steel capillary paired with a 1 4 inch by 4 7 8 inch nickel plated bulb,