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Original price $265.00 - Original price $265.00
Original price
$265.00 - $265.00
Current price $265.00

Hiblow HP-40 Septic Air Pump

by Hiblow
  9 Reviews
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The Hiblow HP 40 is the smallest model made by Hiblow USA that is approved for aerobic septic systems. The small size and low power consumption produce very little heat, allowing the HP40 septic air pumps to have long service periods; up to 8 years. The Hiblow HP-40 will work for some 500 gpd aerobic septic systems.

The Hiblow HP-40 can be used in some 500 GPD aerobic septic systems. Koi ponds and ponds that are up to 16,000 gallons with a maximum depth between 6 and 8 feet can be aerated with this product.

Rebuild kits are available for the maintenance of this product. This product can be expected to require a rebuild after three or four years of operation, and it can be rebuilt two to three times. However, red dust building up inside the compressor may signal that a rebuild may not be sufficient.

Hiblow has a proven track record of producing high quality aerators. You can rest easy knowing that your Hiblow aerator is built to last. These aerators also come equipped with industry leading safety features. Extra parts for Hiblow aerators are also well supported. This ensures that extra parts for your aerator can be fairly easily acquired.

  • These specifications are results for a system with a 120-volt power source

  • Most power providers within the United States provide VAC at 60 Hz

  • 0.8 Amps and 38 Watts are required for this product

  • This product’s ideal operating pressure is 1.88 PSI

  • The highest pressure at which this product should operate continuously is 2.9 PSI

  • Ideal airflow through the outlet of this product is 40 liters per minute

  • The maximum airflow through the outlet of this product is 80 liters per minute

  • The noise level of this product will be less than the average noise level within a home.

  • Includes a pressure tap location for external alarm sensor

  • Oil free operation

  • Sound dampening technology


Rated Voltage 120 (VAC)

Current 0.8 (A)

Power supply Frequency 60 (Hz)

Power Consumption 38 (W)

Rated Loading Pressure 1.88 (PSI)

Maximum Continuous Operating Pressure 2.9 (PSI)

Maximum Airflow 80 (lpm) 2.8 [cfm]

Airflow Volume (@ rated pressure) 40 (lpm) 1.41 [cfm]

Noise Level 32 (dBA)

Weight 12.5 (lbs)

Length 8.98 (In)

Width 5.43 (In)

Height 7.4 (In)

Outlet Outer Diameter 0.70 In

Outlet Inner Diameter 0.26 In 

P/N: hp40

All Hiblow Aerators come with a 2 year warranty


Ask a Question
  • My Hiblow as a alarm attached to it . Can I attach the alarm to this pump?

    It is possible but is not easy to do as the power for the pump is coming from the alarm and you would have to do some soldering.