AMC 2026 catalogue

HVAC & Refrigeration

Downblast Exhaust Ventilators

Need a price? Log in or register at Grainger.ca 1876

HVAC & REFRIGERATION

Axial Direct-Drive Downblast Exhaust and Supply Ventilators Provide steady exhaust or supply of clean air under low-to-moderate static pressures. Spun aluminum construction, with fully rolled bead on the windband, for stability and rigidity when lifting and transporting. Many models are speed-controllable; Nos. GFN4YC52, GFN4YC54, GFN4YC60, and GFN4YC62 are only speed-controllable at 115V. UL and C-UL Listed. 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 hemispherical sone levels.

GFN4YC48

Propeller Dia. CFM @ 0.000" SP Motor HP Voltage CFM @ 0.125" SP CFM @ 0.250" SP CFM @ 0.375" SP CFM @ 0.500" SP CFM @ 0.750" SP

Item

No. Roof Ventilators Axial Downblast Roof Exhaust Fan

10 in 550 1⁄8 hp 115 465 347 255 189 — GFN4YC86 12 in 1014 1/6 hp 115 803 376 144 — — GFN4YC87 12 in 1556 1⁄4 hp 115 1437 1291 1055 672 386 GFN4YC88 14 in 1601 1/6 hp 115 1311 925 626 273 — GFN4YC89 14 in 2457 1⁄2 hp 115/230 2298 2093 1875 1603 1244 GFN4YC90 16 in 1999 1/6 hp 115 1764 1418 904 682 — GFN4YC48 16 in 3068 1⁄2 hp 115 2928 2771 2590 2339 1686 GFN4YC49 18 in 2982 1⁄3 hp 115 2645 2264 1669 1276 499 GFN4YC50 18 in 4578 1 hp 115/208-230 4349 4141 3908 3660 2935 GFN4YC51 18 in 4578 1 hp 208-230/460 4349 4141 3908 3660 2935 GFN6KWN7 20 in 3871 1⁄2 hp 115/230 3531 3100 2301 1925 — GFN4YC52 20 in 5943 1 1⁄2 hp 115/208-230 5745 5507 5260 5007 4246 GFN4YC53 20 in 5943 1 1⁄2 hp 208-230/460 5745 5507 5260 5007 4246 GFN6KWN8 24 in 5091 1⁄2 hp 115/230 4703 4277 3813 3279 2252 GFN4YC54 24 in 6042 1 hp 115/230 5626 5137 4619 4146 3136 GFN4YC55 24 in 6042 1 hp 208-230/460 5626 5137 4619 4146 3136 GFN6KWN9 Axial Downblast Roof Supply Fan

12 in 929 1⁄4 hp 115 813 595 415 — — GFN4YC91 12 in 1444 1⁄4 hp 115 1400 1203 953 641 — GFN4YC92 14 in 2041 1⁄4 hp 115 1912 1742 1567 1380 1018 GFN4YC93 14 in 2586 1⁄2 hp 115 2395 2176 1971 1799 1380 GFN4YC94 16 in 2353 1⁄2 hp 115 2195 2008 1819 1597 1121 GFN4YC56 16 in 2920 3⁄4 hp 115/230 VAC 2802 2602 2376 2188 1693 GFN4YC57 18 in 3906 3⁄4 hp 115 3690 3454 3228 2990 2454 GFN4YC58 18 in 4247 1 hp 115/208-230 4076 3846 3526 3259 2724 GFN4YC59 18 in 4247 1 hp 208-230/460 4076 3846 3526 3259 2724 GFN6KWP2 20 in 3488 1⁄2 hp 115/230 3125 2715 2315 1847 — GFN4YC60 20 in 5355 1 1⁄2 hp 115/208-230 5137 4886 4648 4408 3830 GFN4YC61 20 in 5355 1 1⁄2 hp 208-230/460 5137 4886 4648 4408 3830 GFN6KWP3 24 in 4569 1⁄2 hp 115/230 4215 3841 3392 2958 — GFN4YC62 24 in 5742 1 hp 115/230 5315 4929 4556 4131 3066 GFN4YC63 24 in 5742 1 hp 208-230/460 5315 4929 4556 4131 3066 GFN6KWP4 Roof Exhaust Fan

10 in 270/358/542 1⁄4 hp 115 199/457 -/-/333 -/-/246 -/-/- -/-/- GFN39FV53 12 in 765/1014/1534 1⁄4 hp 115 321/803/1413 -/376/1263 -/144/996 -/-/647 -/-/354 GFN39FV54 14 in 1207/1601/2422 1⁄2 hp 115 765/1311/2260 323/925/2050 -/626/1826 -/273/1541 -/-/1203 GFN39FV56 16 in 1508/1999/3024 1⁄2 hp 115 1134/1764/2881 598/1418/2722 -/904/2537 -/682/2280 -/-/1578 GFN39FV55

Propeller

Dia.

Overall

Height

Overall

Width

Overall Diameter

Overall Length

Recommended

Damper Size (in.)

Recommended

Damper Stock No.

Item

No. Roof Ventilators

10 in 17 in 24 5⁄8 in 24.6 in 24 5⁄8 in 12 x 12 4HX64 GFN4YC86 17 in 24 5⁄8 in 24.6 in 24 5⁄8 in — 4HX64 GFN39FV53

12 in

18 1⁄4 in 28 5⁄8 in 28.6 in 28 5⁄8 in 15 x 15 4HX65 GFN4YC87 18 1⁄4 in 28 5⁄8 in 28.6 in 28 5⁄8 in 15 x 15 4HX65 GFN4YC88 18 1⁄4 in 28 5⁄8 in 28.6 in 28 5⁄8 in 15 x 15 4HX65 GFN4YC91 18 1⁄4 in 28 5⁄8 in 28.6 in 28 5⁄8 in 15 x 15 4HX65 GFN4YC92 18 1⁄4 in 28 5⁄8 in 28.6 in 28 5⁄8 in — 4HX65 GFN39FV54

14 in

18 1⁄4 in 28 5⁄8 in 28.6 in 28 5⁄8 in 15 x 15 4HX65 GFN4YC89 18 1⁄4 in 28 5⁄8 in 28.6 in 28 5⁄8 in 15 x 15 4HX65 GFN4YC90 18 1⁄4 in 28 5⁄8 in 28.6 in 28 5⁄8 in 15 x 15 4HX65 GFN4YC93 18 1⁄4 in 28 5⁄8 in 28.6 in 28 5⁄8 in 15 x 15 4HX65 GFN4YC94 18 1⁄4 in 28 5⁄8 in 28.6 in 28 5⁄8 in — 4HX65 GFN39FV56

16 in

19 in 35 1⁄4 in 35.3 in 35 1⁄4 in 19 x 19 4HX66 GFN4YC48 19 in 35 1⁄4 in 35.3 in 35 1⁄4 in 19 x 19 4HX66 GFN4YC49 19 in 35 1⁄4 in 35.3 in 35 1⁄4 in 19 x 19 4HX66 GFN4YC56 19 in 35 1⁄4 in 35.3 in 35 1⁄4 in 19 x 19 4HX66 GFN4YC57 19 in 35 1⁄4 in 35.3 in 35 1⁄4 in — 4HX66 GFN39FV55

Propeller

Dia.

Overall

Height

Overall

Width

Overall Diameter

Overall Length

Recommended

Damper Size (in.)

Recommended

Damper Stock No.

Item

No.

18 in

19 in 35 1⁄4 in — 35 1⁄4 in 23 x 23 4HX67 GFN4YC59 19 in 35 1⁄4 in 35.3 in 35 1⁄4 in 23 x 23 4HX67 GFN4YC50 19 in 35 1⁄4 in — 35 1⁄4 in 23 x 23 4HX67 GFN4YC51 19 in 35 1⁄4 in 35.3 in 35 1⁄4 in 23 x 23 4HX67 GFN4YC58 19 in 35 1⁄4 in 35.3 in 35 1⁄4 in 23 x 23 4HX67 GFN6KWN7 19 in 35 1⁄4 in 35.3 in 35 1⁄4 in 23 x 23 4HX67 GFN6KWP2

20 in

19 1⁄4 in 42 in — 42 in 27 x 27 4HX68 GFN4YC53 19 1⁄4 in 42 in 42 in 42 in 27 x 27 4HX68 GFN4YC60 19 1⁄4 in 42 in — 42 in 27 x 27 4HX68 GFN4YC61 19 1⁄4 in 42 in 42 in 42 in 27 x 27 4HX68 GFN4YC52 19 1⁄4 in 42 in 42 in 42 in 27 x 27 4HX68 GFN6KWN8 19 1⁄4 in 42 in 42 in 42 in 27 x 27 4HX68 GFN6KWP3

24 in

19 1⁄4 in 42 in 42 in 42 in 27 x 27 4HX68 GFN4YC54 19 1⁄4 in 42 in 42 in 42 in 27 x 27 4HX68 GFN4YC55 19 1⁄4 in 42 in 42 in 42 in 27 x 27 4HX68 GFN6KWN9 19 1⁄4 in 42 in 42 in 42 in 27 x 27 4HX68 GFN4YC62 19 1⁄4 in 42 in 42 in 42 in 27 x 27 4HX68 GFN4YC63 19 1⁄4 in 42 in 42 in 42 in 27 x 27 4HX68 GFN6KWP4

DAYTON