NSF Product and Service Listings

These NSF Official Listings are current as of Thursday, January 15, 2026 at 12:15 a.m. Eastern Time. Please contact NSF to confirm the status of any Listing, report errors, or make suggestions.

Alert: NSF is concerned about fraudulent downloading and manipulation of website text. Always confirm this information by clicking on the below link for the most accurate information: http://info.nsf.org/Certified/Wastewater/Listings.asp?Standard=040&Company=1C860&

NSF/ANSI 40
Residential Wastewater Treatment Systems

 
Hydro-Action Industries 
1919 Jim Neu Drive
Plymouth, IN 46563 
United States 
800-370-3749 
574-936-2542

Facility : Plymouth, IN

Model Number Rated Capacity
Gallons/Day		 Classification
AN-400[1] 450 Class I
AN-500 550 Class I
AN-600 600 Class I
AN-600 660 Class I
AN-800 800 Class I
AN-1100 1100 Class I
AP-500[2] [3] 500 Class I
AP-600 600 Class I
AP-750 750 Class I
AP-1000G 1000 Class I
AP-1500G 1500 Class I
CLP-500 500 Class I
CLP-600 600 Class I
LP-500[4] 500 Class I 

[1] Model AN-400  also as a component of the model AN-IVS. Complete model AN-IVS has not
    been tested by NSF. Complete model AN-IVS includes a pretreatment tank of 450 gallons
    and an aerobic treatment unit of 950 gallons
[2] Model AP-500 also as a component of the model Set-N-Go.  Complete model Set-N-Go has not
    been tested by NSF.  Complete model Set-N-Go includes a pretreatment tank of either 250,
    300, 375, 500, 625, or 750 gallons and a pump tank of either 250, 300, 375, 500, 625, or
    750 gallons.
[3] The audible portion of this product's failure sensing and signaling equipment was
    between 70 and 90 dBA at 1.5 meters.
[4] Prefix LP denotes low profile.


NOTE: This Company maintains a list of authorized representatives who distribute, sell,
      install, or service their NSF Certified systems.
Number of matching Manufacturers is 1
Number of matching Products is 14
Processing time was 0 seconds