Filter
Top Products
29
22" Section accommodates 2" prefilter and
up to an additional 12" of high efficiency
final filter
28" Section accommodates 2" prefilter and
up to an additional 21" of high efficiency
final filter
44" Section accommodates 2" prefilter and
up to an additional 37" of high efficiency
final filter
Fan Performance
Size 65 and Size 75
39 3/8" Airfoil Fan
CFM Coil Vel Total Static Pressure - Inches Of Water
Std. Size Size 0.50 1.00 1.25 1.50 1.75 2.00 2.25 2.50
Air 65 75 RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
23000 356 — 506 4.32 562 6.06 592 7.04 620 8.01 645 9.00 669 9.99 693 11.01 715 12.04
25500 395 — 550 5.48 597 7.31 625 8.35 653 9.43 678 10.51 702 11.60 724 12.70 746 13.81
28000 434 372 595 6.85 638 8.82 661 9.94 686 11.03 711 12.21 735 13.39 757 14.59 778 15.78
30500 472 405 640 8.44 680 10.59 700 11.68 719 12.80 744 14.10 768 15.39 790 16.68 811 17.97
33000 511 438 685 10.30 724 12.62 742 13.78 760 14.98 777 16.17 801 17.59 823 18.98 844 20.37
35500 550 471 731 12.40 768 14.94 785 16.17 801 17.42 818 18.72 836 20.11 856 21.50 877 23.01
38000 588 504 776 14.77 813 17.55 829 18.86 845 20.20 860 21.54 876 22.94 891 24.36 910 25.87
40500 627 537 822 17.48 858 20.47 873 21.88 888 23.29 903 24.71 917 26.16 930 27.29 943 28.78
43000 666 571 868 20.47 903 23.72 918 25.23 932 26.73 946 28.23 960 29.75 974 31.82 988 33.11
Size 65 and Size 75
39 3/8" Airfoil Fan
CFM Coil Vel Total Static Pressure - Inches Of Water
Std. Size Size 2.50 3.00 3.50 4.00 4.50 5.00 5.50 6.00
Air 65 75 RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP RPM BHP
23000 356 — 715 12.04 755 14.17 799 16.56 840 18.75 880 21.56 925 23.78 974 26.15 1015 29.01
25500 395 — 746 13.81 781 16.00 824 18.39 863 20.86 901 23.21 947 25.8 990 28.52 1027 32.14
28000 434 372 778 15.78 819 18.28 851 20.77 886 23.45 926 25.89 973 28.61 1011 31.43 1044 34.14
30500 472 405 811 17.97 843 20.56 880 23.52 920 25.83 958 28.75 1003 31.51 1031 34.66 1066 38.18
33000 511 438 844 20.37 878 23.33 920 25.93 949 28.61 989 31.41 1025 35.01 1056 38.43
35500 550 471 877 23.01 910 26.10 947 29.08 986 32.16 1018 33.63 1047 38.71
38000 588 504 910 25.87 951 29.29 978 31.78 1016 34.04 1048 36.18
40500 627 537 943 28.78 984 32.45 1021 36.16
43000 666 571 988 33.11 1029 37.10
Maximum ODP Motor Frame Size for Models 65 and 75 — 324T for Open Drip Proof Motor and 286T for TEFC Motor.
High Efficiency Filter Sections- Dimensions
High Efficiency Filter Section
UNIT Dimensions - inches
SIZE A B
Width Height
03 0 3 1/2
06 0 1/4
08 0 3
10 3/8 3
12 0 0
14 0 0
18 0 0
20 2 1/4 0
26 1 1/2 0
34 1 1/2 0
41 1 1/2 0
50 0 0
65 0 0
75 0 3 3/8
Notes:
1. The high efficiency filter housing has flanges on the entering and leaving
air sides that match the Heatcraft Products accessory hole pattern (page 30).
2. The access doors have gaskets. Access doors are located on both sides
of the filter housing.
3. Filter housing is manufactured from a minimum of 16 gauge steel.