AquaMotion 4-Bolt Flange 3-Speed Cast Iron Heating Circulator with Built-In Check Valve 70614 - The Home Depot
A.O. Smith 23618-4 Master-Fit Bolt In Water heater Element 120V 1500W | Bullseye Industrial Sales
EASTMAN 18-in 3/4-in FIP Inlet x 3/4-in Outlet Corrugated Stainless Steel Water Heater Connector in the Appliance Supply Lines & Drain Hoses department at Lowes.com
Reliance Universal Water Heater Element Adapter Kit Contains One 2-1/2" 4 Bolt - Walmart.com