Robertshaw 5210-125 Thermostat 30067439-890 This heavy-duty furnace limit switch

This heavy-duty furnace limit switch features an L170-30F calibration

ensuring a perfect fit and easier field replacement

color-coded for rapid identification during installation

For technicians performing a Nordyne 621579 replacement

Its 1/8" male NPT connection ensures a standard fit for most radiator tappings

Robertshaw 5210-125 Thermostat 30067439-890 This heavy-duty furnace limit switchThe Robertshaw 5210 125 is a heavy duty Type B10 series electric thermostat engineered for precise temperature regulation in commercial cooking and laboratory environments. This direct acting thermostat utilizes a slow make and break contact mechanism to maintain tight differentials in critical applications such as steam tables, sterilizers, and water baths. With a calibrated temperature range of 60F to 200F (15C to 93C), it serves as a reliable