The BelAire 338H delivers 5 HP of two-stage compressed air on an 80-gallon horizontal ASME tank, built for 230V three-phase power. What sets this model apart from the comparable single-phase version is its factory-installed magnetic starter and a recommended 30 Amp breaker, helping simplify installation in commercial buildings with available three-phase service. The belt-driven pump combines a cast iron cylinder, stainless steel valves, and an integrated aftercooler, while the horizontal tank keeps the overall height to approximately 49 inches. Electrical installation should be completed by a qualified electrician.
The included magnetic starter provides motor overload protection and eliminates the need to purchase and install a separate starter before commissioning the compressor. Three-phase power also provides smoother motor operation than a comparable single-phase setup. The two-stage pump supports up to 175 PSI, delivering 18.5 CFM at 100 PSI and 16.6 CFM at 175 PSI. Its integrated aftercooler lowers the temperature of compressed air before it enters the tank, helping separate moisture before it reaches your shop air lines. Stainless steel valves and a belt-driven pump are designed for the repeated starts and long operating hours of a working compressor, while the oil sight glass makes routine maintenance checks simple.
The 338H is a strong fit for commercial repair shops, two- and three-bay garages, fleet maintenance operations, agricultural facilities, and light industrial work with three-phase power. Its horizontal layout is especially useful in buildings with limited ceiling height, including spaces beneath mezzanines or garage door tracks. At roughly 71 inches long and 470 lbs, it requires more wall space than a vertical compressor but offers easier access to the pump, drain, and service components.
Specifications
Motor and electrical supply
| Rated power |
5 HP |
| Supply |
230 Volt AC, 3-phase |
| Magnetic starter |
Included and fitted |
| Recommended breaker |
30 Amp |
| Amp draw |
Confirm with a certified electrician |
Pump and output
| Pump type |
Two-stage, cast iron cylinder, belt drive, splash lubricated |
| Valves |
Stainless steel |
| Delivered air |
18.5 cubic feet per minute at 100 PSI; 16.6 CFM at 175 PSI |
| Maximum pressure |
175 PSI |
| Aftercooler |
Fitted |
| Factory test |
100% of units tested at full pressure |
Tank, size and weight
| Tank |
80 gallon, horizontal, ASME certified, safety relief valve |
| Outlet |
3/4" |
| Overall |
71" long × 24" wide × 49" high |
| Weight |
Published two ways: 470 lbs in the product description, 471 lbs in the BelAire specification block. The gap is small but the two do not agree, so confirm with us in writing before you plan the unload. |
Certification, Stated Plainly
The receiver is an ASME tank—designed, welded and inspected to the American pressure-vessel code, and supplied with a matching safety relief valve.
That is certification of the pressure vessel, not a third-party safety listing for the complete electrical machine. Some insurers, plant safety policies and local jurisdictions require the latter. If yours does, ask us in writing before ordering and we will confirm the available documentation in writing.
Shipping & Delivery
Ships by freight to the lower 48 states, not as a parcel. The crate carries a 457 lb machine standing 77" tall. Freight is quoted live at checkout for your delivery address. Residential delivery carries an additional fee; terminal pickup is available as an alternative.
Plan unloading before the truck arrives. You will need a forklift, loading dock or other suitable equipment to safely remove the crate.
When it arrives, inspect the shroud, belt guard, gauges and tank with the driver present. Record any damage on the delivery paperwork and photograph the shipment before signing.
Warranty
The listing states a 2-Year factory warranty for both consumer and commercial use, with the full warranty document available on this page.
If something fails, do not disassemble the pump, starter or pressure switch before opening the claim. The manufacturer may need to inspect the failed component in its original condition. Stop using the machine, photograph the problem, and contact us so we can begin the warranty process.
