Home HEI HEI Tech Sheet #139 HEI Tech Sheet #139$57.76 Original price was: $57.76.$28.88Current price is: $28.88. Feedwater Heater Tube to Tubesheet JointsData Sheet by Heat Exchange Institute, 04/01/2016 HEI Tech Sheet #139 quantity Add to cart Category: HEI Description Product Details Published: 04/01/2016 Number of Pages: 2 File Size: 1 file , 97 KB Related products HEI Tech Sheet #121HEI $57.76 Original price was: $57.76.$28.88Current price is: $28.88. Add to cart HEI Tech Sheet C-8.1HEI $57.76 Original price was: $57.76.$28.88Current price is: $28.88. Add to cart HEI Tech Sheet #123HEI $57.76 Original price was: $57.76.$28.88Current price is: $28.88. Add to cart HEI Tech Sheet #128HEI $57.76 Original price was: $57.76.$28.88Current price is: $28.88. Add to cart