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S&P SDB Downblast Belt Drive Centrifugal Roof Exhausters
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S&P SDB Downblast Belt Drive Centrifugal Roof Exhausters

Model SDB belt drive units are used for the exhaust of relatively clean air from a wide range of commercial, industrial and institutional environments such as manufacturing and assembly plants, office buildings, schools, hospitals, restaurants, athletic facilities and many others. The nonoverloading wheel with its higher static pressure capabilities makes this unit suitable for either ducted or nonducted applications. 

Prices include assembled fan, motor & drives mounted, UL-705 listing label, disconnect switch, birdscreen.  Standard single phase motors 1/2 HP & smaller are 115V ONLY, 3/4 HP & larger are 115/208-230V Tri Voltage. 1HP, 1-1/2 HP, 2 HP motors come standard with Thermal overload protection. Standard three phase motors are 208-230/460 Tri Voltage.

Accessories are listed below the fans at the bottom of the page.

model description usually ships price QTY
SDB06ML1S S&P SDB06 centrifugal roof exhauster. 1/4 Hp, 115/1/60 motor. 1600 RPM. 2-3 Days $900.00
SDB06MM1S S&P SDB06 centrifugal roof exhauster. 1/4 Hp, 115/1/60 motor. 1800 RPM. 2-3 Days $900.00
SDB06MH1S S&P SDB06 centrifugal roof exhauster. 1/4 Hp, 115/1/60 motor. 2000 RPM. 2-3 Days $900.00
SDB06ML3S S&P SDB06 centrifugal roof exhauster. 1/4 Hp, 208-230/460/3/60 motor. 1600 RPM. 7-8 Weeks $1036.60
SDB06MM3S S&P SDB06 centrifugal roof exhauster. 1/4 Hp, 208-230/460/3/60 motor. 1800 RPM. 7-8 Weeks $1036.60
SDB06MH3S S&P SDB06 centrifugal roof exhauster. 1/4 Hp, 208-230/460/3/60 motor. 2000 RPM. 7-8 Weeks $1036.60
SDB07ML1S S&P SDB07 centrifugal roof exhauster. 1/4 Hp, 115/1/60 motor. 1600 RPM. 2-3 Days $900.00
SDB07MM1S S&P SDB07 centrifugal roof exhauster. 1/4 Hp, 115/1/60 motor. 1800 RPM. 2-3 Days $900.00
SDB07MH1S S&P SDB07 centrifugal roof exhauster. 1/4 Hp, 115/1/60 motor. 2000 RPM. 2-3 Days $900.00
SDB07ML3S S&P SDB07 centrifugal roof exhauster. 1/4 Hp, 208-230/460/3/60 motor. 1600 RPM. 7-8 Weeks $1036.60
SDB07MM3S S&P SDB07 centrifugal roof exhauster. 1/4 Hp, 208-230/460/3/60 motor. 1800 RPM. 7-8 Weeks $1036.60
SDB07MH3S S&P SDB07 centrifugal roof exhauster. 1/4 Hp, 208-230/460/3/60 motor. 2000 RPM. 7-8 Weeks $1042.10
SDB08ML1S S&P SDB08 centrifugal roof exhauster. 1/4 Hp, 115/1/60 motor. 1550 RPM. 2-3 Days $900.00
SDB08MM1S S&P SDB08 centrifugal roof exhauster. 1/4 Hp, 115/1/60 motor. 1750 RPM. 2-3 Days $900.00
SDB08MH1S S&P SDB08 centrifugal roof exhauster. 1/4 Hp, 115/1/60 motor. 1950 RPM. 2-3 Days $900.00
SDB08PH1S S&P SDB08 centrifugal roof exhauster. 1/3 Hp, 115/1/60 motor. 2100 RPM. 2-3 Days $900.80
SDB08ML3S S&P SDB08 centrifugal roof exhauster. 1/4 Hp, 208-230/460/3/60 motor. 1550 RPM. 7-8 Weeks $1036.60
SDB08MM3S S&P SDB08 centrifugal roof exhauster. 1/4 Hp, 208-230/460/3/60 motor. 1750 RPM. 7-8 Weeks $1036.60
SDB08MH3S S&P SDB08 centrifugal roof exhauster. 1/4 Hp, 208-230/460/3/60 motor. 1950 RPM. 7-8 Weeks $1036.60
SDB08PH3S S&P SDB08 centrifugal roof exhauster. 1/3 Hp, 208-230/460/3/60 motor. 2100 RPM. 7-8 Weeks $1037.40
SDB10ML1S S&P SDB10 centrifugal roof exhauster. 1/4 Hp, 115/1/60 motor. 1450 RPM. 2-3 Days $1037.40
SDB10MH1S S&P SDB10 centrifugal roof exhauster. 1/4 Hp, 115/1/60 motor. 1600 RPM. 2-3 Days $1037.40
SDB10PH1S S&P SDB10 centrifugal roof exhauster. 1/3 Hp, 115/1/60 motor. 1750 RPM. 2-3 Days $1058.70
SDB10ML3S S&P SDB10 centrifugal roof exhauster. 1/4 Hp, 208-230/460/3/60 motor. 1450 RPM. 7-8 Weeks $1099.70
SDB10MH3S S&P SDB10 centrifugal roof exhauster. 1/4 Hp, 208-230/460/3/60 motor. 1600 RPM. 7-8 Weeks $1099.70
SDB10PH3S S&P SDB10 centrifugal roof exhauster. 1/3 Hp, 208-230/460/3/60 motor. 1750 RPM. 7-8 Weeks $1104.50
SDB12MH1S S&P SDB12 centrifugal roof exhauster. 1/4 Hp, 115/1/60 motor. 1400 RPM. 2-3 Days $1109.20
SDB12PH1S S&P SDB12 centrifugal roof exhauster. 1/3 Hp, 115/1/60 motor. 1550 RPM. 2-3 Days $1126.60
SDB12QH1S S&P SDB12 centrifugal roof exhauster. 1/2 Hp, 115/1/60 motor. 1750 RPM. 2-3 Days $1118.70
SDB12MH3S S&P SDB12 centrifugal roof exhauster. 1/4 Hp, 208-230/460/3/60 motor. 1400 RPM. 7-8 Weeks $1174.70
SDB12PH3S S&P SDB12 centrifugal roof exhauster. 1/3 Hp, 208-230/460/3/60 motor. 1550 RPM. 7-8 Weeks $1176.30
SDB12QH3S S&P SDB12 centrifugal roof exhauster. 1/2 Hp, 208-230/460/3/60 motor. 1750 RPM. 2-3 Days $1208.70
SDB14MH1S S&P SDB14 centrifugal roof exhauster. 1/4 Hp, 115/1/60 motor. 1100 RPM. 2-3 Days $1110.00
SDB14PH1S S&P SDB14 centrifugal roof exhauster. 1/3 Hp, 115/1/60 motor. 1200 RPM. 2-3 Days $1127.40
SDB14QH1S S&P SDB14 centrifugal roof exhauster. 1/2 Hp, 115/1/60 motor. 1400 RPM. 2-3 Days $1151.80
SDB14RH1S S&P SDB14 centrifugal roof exhauster. 3/4 Hp, 115/208-230V/1/60 motor. 1550 RPM. 2-3 Days $1261.60
SDB14SH1S S&P SDB14 centrifugal roof exhauster. 1 Hp, 115/208-230V/1/60 motor. 1750 RPM. 2-3 Days $1297.90
SDB14MH3S S&P SDB14 centrifugal roof exhauster. 1/4 Hp, 208-230/460/3/60 motor. 1100 RPM. 7-8 Weeks $1209.50
SDB14PH3S S&P SDB14 centrifugal roof exhauster. 1/3 Hp, 208-230/460/3/60 motor. 1200 RPM. 7-8 Weeks $1170.80
SDB14QH3S S&P SDB14 centrifugal roof exhauster. 1/2 Hp, 208-230/460/3/60 motor. 1400 RPM. 2-3 Days $1209.50
SDB14RH3S S&P SDB14 centrifugal roof exhauster. 3/4 Hp, 208-230/460/3/60 motor. 1550 RPM. 2-3 Days $1211.80
SDB14SH3S S&P SDB14 centrifugal roof exhauster. 1 Hp, 208-230/460/3/60 motor. 1750 RPM. 3-4 Days $1256.10
SDB15MH1S S&P SDB15 centrifugal roof exhauster. 1/4 Hp, 115/1/60 motor. 1000 RPM. 2-3 Days $1124.20
SDB15PH1S S&P SDB15 centrifugal roof exhauster. 1/3 Hp, 115/1/60 motor. 1100 RPM. 2-3 Days $1151.10
SDB15QH1S S&P SDB15 centrifugal roof exhauster. 1/2 Hp, 115/1/60 motor. 1250 RPM. 2-3 Days $1181.10
SDB15RH1S S&P SDB15 centrifugal roof exhauster. 3/4 Hp, 115/208-230V/1/60 motor. 1450 RPM. 2-3 Days $1301.80
SDB15SH1S S&P SDB15 centrifugal roof exhauster. 1 Hp, 115/208-230V/1/60 motor. 1600 RPM. 2-3 Days $1336.60
SDB15MH3S S&P SDB15 centrifugal roof exhauster. 1/4 Hp, 208-230/460/3/60 motor. 1000 RPM. 7-8 Weeks $1238.70
SDB15PH3S S&P SDB15 centrifugal roof exhauster. 1/3 Hp, 208-230/460/3/60 motor. 1100 RPM. 7-8 Weeks $1246.60
SDB15QH3S S&P SDB15 centrifugal roof exhauster. 1/2 Hp, 208-230/460/3/60 motor. 1250 RPM. 2-3 Days $1245.80
SDB15RH3S S&P SDB15 centrifugal roof exhauster. 3/4 Hp, 208-230/460/3/60 motor. 1450 RPM. 2-3 Days $1249.70
SDB15SH3S S&P SDB15 centrifugal roof exhauster. 1 Hp, 208-230/460/3/60 motor. 1600 RPM. 2-3 Days $1297.10
SDB16MH1S S&P SDB16 centrifugal roof exhauster. 1/4 Hp, 115/1/60 motor. 900 RPM. 2-3 Days $1215.80
SDB16PH1S S&P SDB16 centrifugal roof exhauster. 1/3 Hp, 115/1/60 motor. 1000 RPM. 2-3 Days $1241.80
SDB16QH1S S&P SDB16 centrifugal roof exhauster. 1/2 Hp, 115/1/60 motor. 1150 RPM. 2-3 Days $1269.50
SDB16RH1S S&P SDB16 centrifugal roof exhauster. 3/4 Hp, 115/208-230V/1/60 motor. 1300 RPM. 2-3 Days $1429.70
SDB16SH1S S&P SDB16 centrifugal roof exhauster. 1 Hp, 115/208-230V/1/60 motor. 1450 RPM. 2-3 Days $1477.90
SDB16MH3S S&P SDB16 centrifugal roof exhauster. 1/4 Hp, 208-230/460/3/60 motor. 900 RPM. 7-8 Weeks $1328.70
SDB16PH3S S&P SDB16 centrifugal roof exhauster. 1/3 Hp, 208-230/460/3/60 motor. 1000 RPM. 7-8 Weeks $1334.20
SDB16QH3S S&P SDB16 centrifugal roof exhauster. 1/2 Hp, 208-230/460/3/60 motor. 1150 RPM. 2-3 Days $1331.10
SDB16RH3S S&P SDB16 centrifugal roof exhauster. 3/4 Hp, 208-230/460/3/60 motor. 1300 RPM. 2-3 Days $1334.20
SDB16SH3S S&P SDB16 centrifugal roof exhauster. 1 Hp, 208-230/460/3/60 motor. 1450 RPM. 2-3 Days $1381.60
SDB18PH1S S&P SDB18 centrifugal roof exhauster. 1/3 Hp, 115/1/60 motor. 805 RPM. 6-7 Days $1449.50
SDB18PH3S S&P SDB18 centrifugal roof exhauster. 1/3 Hp, 208-230/460/3/60 motor. 805 RPM. 7-8 Weeks $1539.50
SDB18QH1S S&P SDB18 centrifugal roof exhauster. 1/2 Hp, 115/1/60 motor. 940 RPM. 6-7 Days $1478.70
SDB18QH3S S&P SDB18 centrifugal roof exhauster. 1/2 Hp, 208-230/460/3/60 motor. 940 RPM. 6-7 Days $1539.50
SDB18RH1S S&P SDB18 centrifugal roof exhauster. 3/4 Hp, 115/208-230V/1/60 motor. 1075 RPM. 6-7 Days $1473.90
SDB18RH3S S&P SDB18 centrifugal roof exhauster. 3/4 Hp, 208-230/460/3/60 motor. 1075 RPM. 6-7 Days $1549.70
SDB18SH1S S&P SDB18 centrifugal roof exhauster. 1 Hp, 115/208-230V/1/60 motor. 1165 RPM. 6-7 Days $1690.30
SDB18SH3S S&P SDB18 centrifugal roof exhauster. 1 Hp, 208-230/460/3/60 motor. 1165 RPM. 6-7 Days $1560.80
SDB18TH1S S&P SDB18 centrifugal roof exhauster. 1.5 Hp, 115/208-230V/1/60 motor. 1345 RPM. 6-7 Days $1815.00
SDB18TH3S S&P SDB18 centrifugal roof exhauster. 1.5 Hp, 208-230/460/3/60 motor. 1345 RPM. 6-7 Days $1595.50
SDB18VH1S S&P SDB18 centrifugal roof exhauster. 2 Hp, 115/208-230V/1/60 motor. 1480 RPM. 6-7 Days $1882.10
SDB18VH3S S&P SDB18 centrifugal roof exhauster. 2 Hp, 208-230/460/3/60 motor. 1480 RPM. 6-7 Days $1617.60
SDB20PH1S S&P SDB20 centrifugal roof exhauster. 1/3 Hp, 115/1/60 motor. 665 RPM. 6-7 Days $1557.60
SDB20PH3S S&P SDB20 centrifugal roof exhauster. 1/3 Hp, 208-230/460/3/60 motor. 665 RPM. 7-8 Weeks $1623.20
SDB20QH1S S&P SDB20 centrifugal roof exhauster. 1/2 Hp, 115/1/60 motor. 760 RPM. 6-7 Days $1631.10
SDB20QH3S S&P SDB20 centrifugal roof exhauster. 1/2 Hp, 208-230/460/3/60 motor. 760 RPM. 6-7 Days $1623.20
SDB20RH1S S&P SDB20 centrifugal roof exhauster. 3/4 Hp, 115/208-230V/1/60 motor. 875 RPM. 6-7 Days $1721.80
SDB20RH3S S&P SDB20 centrifugal roof exhauster. 3/4 Hp, 208-230/460/3/60 motor. 875 RPM. 6-7 Days $1631.10
SDB20SH1S S&P SDB20 centrifugal roof exhauster. 1 Hp, 115/208-230V/1/60 motor. 985 RPM. 6-7 Days $1802.40
SDB20SH3S S&P SDB20 centrifugal roof exhauster. 1 Hp, 208-230/460/3/60 motor. 985 RPM. 6-7 Days $1642.90
SDB20TH1S S&P SDB20 centrifugal roof exhauster. 1.5 Hp, 115/208-230V/1/60 motor. 1100 RPM. 6-7 Days $1930.30
SDB20TH3S S&P SDB20 centrifugal roof exhauster. 1.5 Hp, 208-230/460/3/60 motor. 1100 RPM. 6-7 Days $1677.60
SDB20VH1S S&P SDB20 centrifugal roof exhauster. 2 Hp, 115/208-230V/1/60 motor. 1210 RPM. 6-7 Days $1998.20
SDB20VH3S S&P SDB20 centrifugal roof exhauster. 2 Hp, 208-230/460/3/60 motor. 1210 RPM. 6-7 Days $1701.30
SDB24PH1S S&P SDB24 centrifugal roof exhauster. 1/3 Hp, 115/1/60 motor. 450 RPM. 6-7 Days $2163.20
SDB24PH3S S&P SDB24 centrifugal roof exhauster. 1/3 Hp, 208-230/460/3/60 motor. 450 RPM. 7-8 Weeks $2165.50
SDB24QH1S S&P SDB24 centrifugal roof exhauster. 1/2 Hp, 115/1/60 motor. 550 RPM. 6-7 Days $2210.50
SDB24QH3S S&P SDB24 centrifugal roof exhauster. 1/2 Hp, 208-230/460/3/60 motor. 550 RPM. 6-7 Days $2137.90
SDB24RH1S S&P SDB24 centrifugal roof exhauster. 3/4 Hp, 115/208-230V/1/60 motor. 650 RPM. 6-7 Days $2176.60
SDB24RH3S S&P SDB24 centrifugal roof exhauster. 3/4 Hp, 208-230/460/3/60 motor. 650 RPM. 6-7 Days $2176.60
SDB24SH3S S&P SDB24 centrifugal roof exhauster. 1 Hp, 208-230/460/3/60 motor. 700 RPM. 6-7 Days $2160.80
SDB24TH3S S&P SDB24 centrifugal roof exhauster. 1.5 Hp, 208-230/460/3/60 motor. 800 RPM. 6-7 Days $2190.00
SDB24VH3S S&P SDB24 centrifugal roof exhauster. 2 Hp, 208-230/460/3/60 motor. 900 RPM. 2 Weeks $2215.30
711216 S&P 12 inch high roof mounting curb. 16-1/2 inch sq. Galvanized with wood nailer. 2-3 Days $319.70
711218 S&P 12 inch high roof mounting curb. 18-1/2 inch sq. Galvanized with wood nailer. 2-3 Days $371.10
711222 S&P 12 inch high roof mounting curb. 22-1/2 inch sq. Galvanized with wood nailer. 2-3 Days $392.40
711228 S&P 12 inch high roof mounting curb. Galvanized with wood nailer. 2-3 Days $519.50
411012 S&P 12" X 12" series 411 automatic exhaust damper. Max velocity of 2000 FPM. 2-3 Days $52.90
411014 S&P 14" X 14" series 411 automatic exhaust damper. Max velocity of 2000 FPM. 2-3 Days $69.50
411018 S&P 18" X 18" series 411 automatic exhaust damper. Max velocity of 2000 FPM. 2-3 Days $77.40
411024 S&P 24" X 24" series 411 automatic exhaust damper. Max velocity of 2000 FPM. 2-3 Days $121.60
411611 S&P damper motor option. Ships loose. 115/230 VAC 60 Hz power open, spring return motor. 2-3 Days $273.90
100069 S&P auto belt tensioner assembly. 2-3 Days $205.30
100070 S&P auto belt tensioner assembly. 2-3 Days $200.50
100072 S&P auto belt tensioner assembly. 2-3 Days $265.30
CCA1816 S&P curb cap adaptor. Replace DB with SDB unit. 17-3/4 ID X 16 in OD. 2-3 Days $162.60
CCA2024 S&P curb cap adaptor. Replace DB with SDB unit. 19-3/4 ID X 24 in OD. 2-3 Days $170.50
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