The Siemens 599-05981 is a 3-inch

this Maxitrol zero governor offers a low-maintenance solution for maintaining a steady gas-air mixture across varying flow rates

and RDDC models

Key Benefits OEM Compatibility: Seamlessly replaces legacy part numbers 100146534

Lochinvar & A.O. Smith 100108954 Heating Element 320074-702 The Siemens 599-05981 is aThe Lochinvar & A. O. Smith 100108954 Heating Element is a heavy duty, 120V 2500W copper heating component engineered for high performance thermal transfer in residential and light commercial water heaters. This 8. 125 inch screw in heating element features a robust copper (CU) construction with Corrogard zinc plating to resist corrosive mineral buildup and extend service life in varied water conditions. Designed as a genuine OEM water heater