ELEMENT 240/4500 1.5T TI

Watt Density Guide – lower watt density means the element stays cooler and will last longer. | Sheath Material Guide | Copper: high quality corrosion protection; may be coated with tin, nickel or other protective finis | HWD: high watt density (over 150 watts/in2) | Titanium: ultra-premium corrosion protection for extra long element life | Specially designed – screw-in elements with 1-1/2 inch threads are specially designed for these non-metal heaters. | LWD: low watt density (100 watts/in2 or less) | MWD: medium watt density (101 – 150 watts/in2)