Baltimore Aircoil Parts (BAC) – OEM Cooling Tower Parts
157 parts
311666
BAC 311666 VCOS (Electronic, Alarm, R/L Reset 110V) – Baltimore Aircoil Cooling Tower
$8,462.94
✓ In stock
311492
BAC 311492 VCOS (Electronic, Remote/Local Reset, 110V) – Baltimore Aircoil Cooling Tower
$5,296.52
✓ In stock
RK3645
BAC RK3645 EWLC Replacement Kit – Baltimore Aircoil Cooling Tower
$4,519.13
✓ In stock
312879
BAC 312879 Vibration Switch – Baltimore Aircoil Cooling Tower
$4,324.32
✓ In stock
311789
BAC 311789 Vibration Switch – Baltimore Aircoil Cooling Tower
$4,284.29
✓ In stock
RK3644M5
BAC RK3644M5 Galvanized Aftermarket Universal EWLC Retrofit Kit with Supports
$3,421.38
✓ In stock
312178
BAC 312178 Mechanical VCOS (Local Reset Only, NE) – Baltimore Aircoil Cooling Tower
$3,241.26
✓ In stock
RK6E5690M5
BAC RK6E5690M5 Bearing Kit (PB, Ball, 2-11/16" Induced Draft)
$1,541.82
✓ In stock
CK4011M3
BAC CK4011M3 PVC Float Valve Kit (Less Ball) SST – Baltimore Aircoil Cooling Tower
$1,363.05
✓ In stock
310620
BAC 310620 Electric Float Switch (F-63) – Baltimore Aircoil Cooling Tower
$1,227.61
✓ In stock
RK240087
BAC RK240087 Bearing Kit (PB, Ball, 2-7/16" Crossflow) – Baltimore Aircoil Cooling Tower
$1,161.07
✓ In stock
RK240031
BAC RK240031 Bearing Kit (PB, Split Sleeve, 1-7/16") – Baltimore Aircoil Cooling Tower
$1,152.83
✓ In stock
RK2301M5
BAC RK2301M5 Make-up Kit (1-1/2" PVC Valve, No Ball) Galvanized
$1,141.20
✓ In stock
RK240079
BAC RK240079 Bearing Kit (PB, Heavy Duty, Ball, 2-3/16") – Baltimore Aircoil Cooling Tower
$1,071.69
✓ In stock
RK240124
BAC RK240124 Bearing Kit (PB, Ball, 2-7/16") – Baltimore Aircoil Cooling Tower
$1,038.58
✓ In stock
310382
BAC 310382 Thermostat – Baltimore Aircoil Cooling Tower
$1,022.95
✓ In stock
RK0331M5
BAC RK0331M5 Make-up Kit (1" Brass Valve, No Ball) Galvanized
$911.65
✓ In stock
RK0333M5
BAC RK0333M5 Float Valve Kit (Brass, 1") Galvanized – Baltimore Aircoil Cooling Tower
$898.38
✓ In stock
RK240080
BAC RK240080 Bearing Kit (PB, Ball, 2-3/16" Induced Draft)
$876.31
✓ In stock
313859
BAC 313859 Thermostat (A19, N4X) – Baltimore Aircoil Cooling Tower
$839.92
✓ In stock
RK240123
BAC RK240123 Bearing Kit (PB, Medium Duty, Ball, 2-3/16")
$756.04
✓ In stock
RK240058
BAC RK240058 Bearing Kit (PB, Heavy Duty, Ball, 1-11/16")
$740.59
✓ In stock
RK240008
BAC RK240008 Bearing Kit (PB, Solid Sleeve, 1-7/16") – Baltimore Aircoil Cooling Tower
$658.90
✓ In stock
RK240090
BAC RK240090 Bearing Kit (PB, Ball, 1-11/16" Bore) – Baltimore Aircoil Cooling Tower
$621.37
✓ In stock
RK240081
BAC RK240081 Bearing Kit (PB, Ball, 1-11/16" Induced Draft)
$614.75
✓ In stock
RK240076
BAC RK240076 Bearing Kit (PB, Heavy Duty, Ball, 1-7/16") – Baltimore Aircoil Cooling Tower
$599.30
✓ In stock
RK240091
BAC RK240091 Bearing Kit (PB, Ball, 1" Bore) – Baltimore Aircoil Cooling Tower
$491.15
✓ In stock
RK240028
BAC RK240028 Bearing Kit (PB, Ball, 1-7/16") – Baltimore Aircoil Cooling Tower
$438.17
✓ In stock
280046
BAC 280046 Float Ball 8" – Baltimore Aircoil Cooling Tower
$227.12
✓ In stock
280045
BAC 280045 Float Ball 10" Pancake – Baltimore Aircoil Cooling Tower
$201.16
✓ In stock
280071
BAC 280071 Plastic Float Ball 6" PA – Baltimore Aircoil Cooling Tower
$146.79
✓ In stock
300587
BAC 300587 Pump 1/2HP,200-230/460-3-60,4X6 Low Profile – Baltimore Aircoil Cooling Tower
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Price and lead time on request
300605
BAC 300605 Pump 1-1/2HP,200-230/460-3-60 – Baltimore Aircoil Cooling Tower
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Price and lead time on request
300213
BAC 300213 Pump 1/2HP,200-230/460-3-60,3600RPM,3X6V – Baltimore Aircoil Cooling Tower
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Price and lead time on request
300212
BAC 300212 Pump 3/4HP,200-230/460-3-60,3600RPM,3X9V – Baltimore Aircoil Cooling Tower
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Price and lead time on request
300211
BAC 300211 Pump 1HP,200-230/460-3-60,3600RPM,3X9V – Baltimore Aircoil Cooling Tower
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Price and lead time on request
300210
BAC 300210 Pump 1-1/2HP,200-230/460-3-60,3600RPM,4X12V – Baltimore Aircoil Cooling Tower
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Price and lead time on request
RK0444
BAC RK0444 Metering Orifice Size XF-5 – Baltimore Aircoil Cooling Tower
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Price and lead time on request
RK0446
BAC RK0446 Metering Orifice Size XF-7 – Baltimore Aircoil Cooling Tower
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Price and lead time on request
RK0445
BAC RK0445 Metering Orifice Size XF-6 – Baltimore Aircoil Cooling Tower
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Price and lead time on request
RK0443
BAC RK0443 Metering Orifice Size XF-4 – Baltimore Aircoil Cooling Tower
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Price and lead time on request
RK0819
BAC RK0819 360 Deg Coil Nozzle And Grommet – Baltimore Aircoil Cooling Tower
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Price and lead time on request
RK0690
BAC RK0690 Nozzle And Grommet Kit XP-3 – Baltimore Aircoil Cooling Tower
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Price and lead time on request
RK0143
BAC RK0143 HDR Grommets - PVC 3" ID – Baltimore Aircoil Cooling Tower
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Price and lead time on request
RK0145
BAC RK0145 HDR Grommets - PVC 4" ID – Baltimore Aircoil Cooling Tower
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Price and lead time on request
RK0442
BAC RK0442 Metering Orifice Size XF-3 – Baltimore Aircoil Cooling Tower
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Price and lead time on request
RK0148
BAC RK0148 Nozzle "B"SERIES And Grommet – Baltimore Aircoil Cooling Tower
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Price and lead time on request
RK0419
BAC RK0419 Nozzle Size A-A Series D W/ Grommet – Baltimore Aircoil Cooling Tower
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Price and lead time on request
RK0441
BAC RK0441 Metering Orifice Size XF-2 – Baltimore Aircoil Cooling Tower
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Price and lead time on request
RK0137
BAC RK0137 Nozzle Size "G" Series B With Grommet – Baltimore Aircoil Cooling Tower
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Price and lead time on request
Shop Baltimore Aircoil Company (BAC) OEM replacement parts for commercial and industrial evaporative cooling equipment. We stock common BAC cooling tower, closed-circuit cooler, and evaporative condenser parts for maintenance and emergency repair.
In stock now: bearing kits, float valves and make-up kits, electric water level control (EWLC) kits and float switches, vibration switches and thermostats. Available by quote: belts and powerbands, sheaves and bushings, basin heaters, fan wheels and inlet rings, spray nozzles and grommets, pumps and door gaskets — no price shown online; quote and lead time on request.
BAC OEM Parts We Carry
- Bearings (in stock) – replacement fan shaft and drive-system bearings for BAC equipment.
- Basin heaters (by quote) – OEM heaters and related controls for cold-water basin freeze protection.
- Electric water level controls and sensors (in stock) – components used to monitor and maintain basin water level.
- Single and banded belts (by quote) – replacement drive belts for BAC fan-drive systems.
- Sheaves and bushings (by quote) – OEM drive components for proper fan speed and belt alignment.
- Vibration switches (in stock) – mechanical and electronic vibration cutout switches used to protect equipment from excessive vibration.
- Fan wheels and inlet rings (by quote) – replacement fan wheels and inlet rings for BAC fan-drive assemblies.
- Spray nozzles and grommets (by quote) – distribution nozzles and grommets for BAC hot-water distribution systems.
- Pumps (by quote) – replacement spray pumps for BAC cooling tower and evaporative condenser systems.
Need Help Identifying a BAC Part?
BAC parts can vary by equipment model, serial number, fan-drive arrangement, and installed options. Send us the BAC model and serial number, along with the part description or a clear photo of the existing component, and our commercial HVAC parts team can help identify the correct replacement.
Looking for a BAC part that is not listed online? Contact us for availability and sourcing assistance.