Electric Heaters Standard Style

HERCULES | HEATER ASSEMBLY - 5.5 KW, 240 VOLT | A2550-2000-B   AQUATEMP REPLACEMENT STAINLESS STEEL HEATER, STANDARD STYLE TUBE DIAMETER:1.9" LENGTH:14-5/8" FLANGE TO FLANGE (ADD 2-3/4" TO LENGTH FOR ELECTRICAL BOX)...