47-555-2027 Generic Element 900/600W 1.25"THD Dual $458.63 47-555-2027 Generic Element 900/600W 1.25"THD Dual 1-1/4"npt Screw Plug Dual Wattage Element With four 10-32 thd studs, dual 3/8 thermowells, and pre-drilled holes for junction box 1-1/4" thd elements measure 1-1/2" o.d