1 LB Roadster Parts Temperature Sensor (RTD) Chaff Collector With Wall CR1 Fuel Cnversion to Propane CR1S Fuel Conversion to Propane CR1 Fuel Conversion to Natural Gas CR1S Fuel Conversion to Natural Gas Stainless Sensor Upgrade Temperatur Sensor Replacement Kit (Stainless Steel RTD) Seal Chaff Screen – 1 lb CR1, CR1S Roast Chamber 2 LB Roadster Parts Chaff Screen – 2 lb CR2 CR2 Fuel Conversion Kit to Propane CR2 Fuel Conversion Kit to Natural Gas Temperatur Sensor (RTD) Stainless Sensor Upgrade Roast Chamber Chaff Collector With Wall Temperatur Sensor (Stainless Steel RTD)