Bock 15152 powered anode rod for OptiTHERM commercial gas water heaters. Titanium powered anode protects the tank against corrosion and does not deplete like a magnesium rod.
Fits:
All OptiTHERM models
Titanium powered anode, 3/4 in. NPT
Includes plastic tube
Requires the OptiTHERM powered anode power supply (Bock 15157)