1, Replacement Of Robertshow model RX-2-24 Thermostat control including a repair knob.2, Millivolt/Milliamp Control for Reliable Low Current/low Voltage Performance And Robust design for Increased Reliability, Durability, and Reduced Down Time.3, The probe and capillary assemblies supplied in copper, nickel plated stainless steel, screw type terminals ensure electrical integrity.4, The length of the thermostat probe is about 6.29" and diameter is about 0.31 inch , Ambient temperature：-20ºC to 110ºC (-4ºF to 230ºF), Nut Thread: 3/8"-18NPT.5, Fits for Vulcan hart fit for Cecilware fit for Hobart fit for Star Mfg OE: 00-272582-00001 272582-1 00-411506-00008 00-411506-00013 00-721025-00001 00-913153 111506-13 111506-8 21025-1 4115.