92- 3 ½"  Conventional HWT w/3 1/2" IF

31 - 3 1/2" Spiral HWT w/ 3 1/2" IF

20- 4"      Conventional HWT w/4" FH

58 - 4"      Spiral HWT w/4" FH

112- 4 ½"  Conventional HWT W/4 1/2" XH

32 - 5"      Conventional HWT w/4 1/2" IF

81- 5"      Spiral HWT w/4 1/2" IF