AMC 2026 catalogue

HVAC & Refrigeration

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1-888-602-0000 HVAC & REFRIGERATION Upblast and Downblast Exhaust Ventilators

Centrifugal Direct-Drive Downblast Exhaust Ventilators

▪For general clean air exhaust ▪Aluminum backward-inclined, nonoverloading centrifugal wheel design ▪Motor compartment isolated from air stream and cooled by outside air ▪NEMA 1 junction box ▪Max. inlet air temp.: 130°F ▪UL-705 Listed for Power Ventilators Performance certified is for

installation type A: free inlet, free outlet. Performance ratings include the effects of a bird screen in the airstream. The sound ratings shown are loudness values in fan sones at 5 ft. (1.5m) in a hemispherical free field calculated per AMCA Standard 301. Values shown are for installation type A: free inlet fan sone levels. 115/230V, speed controllable at 115V only.

GFN48C189

Wheel Dia. Shaft Dia. Wheel End Overall Height Overall Width Overall Diameter Overall Length

Recommended Damper Size (in.)

Recommended Damper Stock No.

Item

No. Roof

8 1⁄4 in

5⁄16 in 29 3⁄4 in 19 3⁄8 in 19 3⁄8 in 19 3⁄8 in — — GFN4YC64 13 7⁄8 in 19 3⁄8 in 19 3⁄8 in 19 3⁄8 in — — GFN5DVR5

1⁄2 in

40 1⁄4 in 21 3⁄4 in 21 3⁄4 in 21 3⁄4 in 9 x 9 4HX64 GFN48C189 16 3⁄8 in 21 3⁄4 in 21 3⁄4 in 21 3⁄4 in 9 1⁄2 x 9 1⁄2 — GFN5DVR7 16 3⁄8 in 21 3⁄4 in 21 3⁄4 in 21 3⁄4 in 12 x 12 — GFN5DVR8

10 1⁄2 in 13 7⁄8 in 21 3⁄4 in 21 3⁄4 in 21 3⁄4 in 12 x 12 4HX64 GFN4YC66 16 3⁄8 in 21 3⁄4 in 21 3⁄4 in 21 3⁄4 in 12 x 12 4HX64 GFN4YC67

11 in

25 1⁄2 in 24 3⁄8 in 24 3⁄8 in 24 3⁄8 in 15 x 15 4HX65 GFN6KWK6 25 1⁄2 in 24 3⁄8 in 24 3⁄8 in 24 3⁄8 in 15 x 15 4HX65 GFN5DVR9 25 1⁄2 in 24 3⁄8 in 24 3⁄8 in 24 3⁄8 in 15 x 15 4HX65 GFN5DVT2 25 1⁄2 in 24 3⁄8 in 24 3⁄8 in 24 3⁄8 in 15 x 15 4HX65 GFN6KWK4 25 1⁄2 in 24 3⁄8 in 24 3⁄8 in 24 3⁄8 in 15 x 15 4HX65 GFN6KWK5 25 1⁄2 in 24 3⁄8 in 24 3⁄8 in 24 3⁄8 in — — GFN52CD42 25 1⁄2 in 24 3⁄8 in 24 3⁄8 in 24 3⁄8 in 15 x 15 4HX65 GFN5DVT0

13 1⁄4 in 16 3⁄8 in 24 3⁄8 in 24 3⁄8 in 24 3⁄8 in 15 x 15 4HX65 GFN4YC68 25 1⁄2 in 24 3⁄8 in 24 3⁄8 in 24 3⁄8 in 15 x 15 4HX65 GFN4YC69

13 3⁄4 in 25 1⁄2 in 28 3⁄8 in 28 3⁄8 in 28 3⁄8 in 15 x 15 4HX65 GFN4YC71 25 1⁄2 in 28 3⁄8 in 28 3⁄8 in 28 3⁄8 in 15 x 15 4HX65 GFN5DVT1 13 1⁄4 in 25 1⁄2 in 24 3⁄8 in 24 3⁄8 in 24 3⁄8 in 15 x 15 4HX65 GFN5DVT3 13 3⁄4 in 5⁄8 in 16 3⁄8 in 21 3⁄4 in 28 3⁄8 in 21 3⁄4 in 12 x 12 4HX64 GFN48C190

13 3⁄4 in 1⁄2 in 25 1⁄2 in 28 3⁄8 in 28 3⁄8 in 28 3⁄8 in — — GFN52CD43

5⁄8 in 27 1⁄8 in 28 3⁄8 in 28 3⁄8 in 28 3⁄8 in — — GFN38AX30 14 3⁄4 in 25 1⁄2 in 28 3⁄8 in 28 3⁄8 in 28 3⁄8 in 19 x 19 4HX66 GFN5DVT4 14 3⁄4 in

1⁄2 in

25 1⁄2 in 28 3⁄8 in 28 3⁄8 in 28 3⁄8 in — — GFN38AX31

16 3⁄4 in 25 1⁄2 in 28 3⁄8 in 28 3⁄8 in 28 3⁄8 in 19 x 19 4HX66 GFN4YC72 25 1⁄2 in 28 3⁄8 in 28 3⁄8 in 28 3⁄8 in 19 x 19 4HX66 GFN4YC73

18 1⁄2 in 29 3⁄4 in 35 1⁄2 in 35 1⁄2 in 35 1⁄2 in 23 x 23 4HX67 GFN6KWK7

5⁄8 in 25 1⁄2 in 35 1⁄2 in 35 1⁄2 in 35 1⁄2 in 23 x 23 4HX67 GFN48C192 29 3⁄4 in 35 1⁄2 in 35 1⁄2 in 35 1⁄2 in 23 x 23 4HX67 GFN4YC76 18 1⁄2 in 25 1⁄2 in 35 1⁄2 in 35 1⁄2 in 35 1⁄2 in — — GFN38AX32

DAYTON

Wheel Dia. CFM @ 0.000" SP CFM @ 0.125" SP CFM @ 0.250" SP CFM @ 0.375" SP CFM @ 0.500" SP CFM @ 0.750" SP Speed Control

Item

No. Roof

8 1⁄4 in 138/170/203 73/125/166 –/–/120 –/–/– –/–/– –/–/–

48C172 GFN5DVR5 8 1⁄4 in 253/314/374 179/257/327 –/171/274 –/–/190 –/–/– –/–/– GFN4YC64 8 1⁄4 in 335/415/495 249/348/439 134/272/379 -/174/314 -/-/237 -/-/- GFN5DVR7 8 1⁄4 in 426/565/855 298/474/794 -/367/735 -/-/671 -/-/600 -/-/406 43Y140 GFN48C189 8 1⁄4 in 520/644/768 420/565/701 293/478/633 -/373/557 -/-/473 -/-/-

48C172

GFN5DVR8 10 1⁄2 in 717 570 389 — — — GFN4YC66 10 1⁄2 in 717/888/1059 570/780/969 389/640/863 –/493/745 –/184/623 –/–/– GFN4YC67 11 in 431 358 216 — — — GFN6KWK4 11 in 571 517 460 396 283 — GFN6KWK5 11 in 729/966/1462 623/883/1405 473/805/1351 –/702/1298 –/507/1250 –/–/1126 43Y140 GFN5DVT2 11 in 864 829 793 756 719 640 48C172 GFN6KWK6 11 in 966 883 805 702 507 — GFN5DVR9 11 in 1462 1405 1351 1298 1250 1126 GFN5DVT0 11 in — — — — 342/697/1008 -/521/956 43Y140 GFN52CD42 13 1⁄4 in 1043 932 796 580 — — 48C172 GFN4YC68 13 1⁄4 in 1043/1383/2093 932/1300/2038 796/1213/1984 580/1112/1928 –/993/1871 –/–/1743 43Y140 GFN5DVT3 13 3⁄4 in 1221/1618/2448 1106/1535/2393 962/1444/2338 727/1340/2281 -/1211/2220 -/-/2089 GFN48C190 13 3⁄4 in 1618 1535 1444 1340 1211 — 48C172 GFN5DVT1 13 1⁄4 in 2093 2038 1984 1928 1871 1743 GFN4YC69 13 3⁄4 in 2448 2393 2338 2281 2220 2089 — GFN4YC71 13 3⁄4 in 1221/1618/2448 1106/1535/2393 962/1444/2338 727/1340/2281 -/1211/2220 -/-/2089 Variable with 43Y140 GFN38AX30 13 3⁄4 in — — — — 645/1213/1623 -/1132/1562 43Y140 GFN52CD43 14 3⁄4 in 1948/2412/2875 1833/2318/2797 1719/2228/2719 1590/2135/2644 1418/2033/2566 –/1777/2396 GFN5DVT4 14 3⁄4 in 1948/2412/2875 1833/2318/2797 1719/2228/2719 1590/2135/2644 1418/2033/2566 -/1777/2396 Variable with 43Y140 GFN38AX31 16 3⁄4 in 1813 1731 1648 1562 1471 1257 48C172 GFN4YC72 16 3⁄4 in 2540 2344 2145 1913 1596 — GFN4YC73 18 1⁄2 in 2839/3150/3500 2668/2997/3364 2469/2832/3219 2213/2624/3052 1882/2375/2858 -/-/2347 43Y140 GFN48C192 18 1⁄2 in 3344 3202 3049 2863 2647 2015 48C172 GFN4YC76 18 1⁄2 in 4433 4329 4216 4102 3980 3684 — GFN6KWK7 18 1⁄2 in 2839/3150/3500 2668/2997/3364 2469/2832/3219 2213/2624/3052 1882/2375/2858 -/-/2347 Variable with 43Y140 GFN38AX32