Valterra (P23415LF) Check Valve, 1/2" MPT x 1/2" MPT
Camco 22223 Drain Valve - 3/8" or 1/2" Dual Barb with Flange
Atwood EHM6 / EHM6-SM Electric Water Heater w/ Heat Exchanger - 6 Gallon - 110v