while the Rotalock side provides a threaded mechanical connection

the BASO BG1600M10EP-1AD is a robust solution

As a veteran-grade OEM Lennox replacement part

As a veteran HVACR contractor

When should a technician replace the casting instead of just the head mechanism

Lochinvar & A.O. Smith 100110060 Heating Element 340155-7024 while the Rotalock side providesThe Lochinvar & A. O. Smith 100110060 Heating Element is a heavy duty, 240V 4000W Sandhog replacement designed for demanding residential and light commercial water heating applications. Built with high grade Incoloy nickel alloy sheathing, this low watt density heating element is engineered to resist sediment build up and withstand "dry fire" conditions better than standard copper alternatives. The 10. 7 inch screw in element features a 1 inch NPSM