Robertshaw 4200 505 Gas Thermostat THPU32HP7Y this insulating grease remains chemically this insulating grease remains chemically stable and does not pump out or dry out under cyclical thermal loading The MAMAC Systems HU 225 3 VDC is a high performance wall humidity transducer engineered for precision environmental monitoring in commercial and industrial building automation systems (BAS) This commercial gas thermostat is primarily used in high heat appliances such as deck ovens and convection ranges Key Benefits: High Temperature Precision: Supports rigorous commercial kitchen equipment demands with a 650°F upper limit