Whole Home Water Conditioning Systems Certifications

Maytag® Water Conditioning Systems are certified by IAPMO

Maytag® water conditioners are certified by IAPMO Research and Testing, Inc to NSF/ANSI 42, 44, 61, and 372 in compliance with the International Plumbing Code (IPC®). Each system proudly bears the UPC seal shown above .

Maytag® water treatment chose to partner with the International Association of Plumbing and Mechanical Officials (IAPMO) R&T because of their more than 85 years of experience in certifying products. The UPC® shield is recognized throughout the industry as the premier mark of conformity for plumbing products in North America.

The UPC® mark of conformity demonstrates compliance with applicable codes and NSF/ANSI 42, 44, 61, and 372 standards. It signifies accredited third-party recognition, meaning it has been certified by an organization outside of the manufacturer’s industry. And the UPC® mark is widely recognized and trusted by the inspectors who approve your system’s installation. The UPC® mark assures buyers that they are purchasing a product that has been manufactured, tested, and inspected to industry standards, giving them peace of mind that they have made the right decision.

Our systems are listed to NSF/ANSI 42, NSF/ANSI 44, NSF/ANSI 61, AND NSF/ANSI 372 (No Lead), UPC®, and IPC®.


Product: Drinking Water Treatment Units – Aesthetic Effects

Characteristics: Materials or products that come into contact with drinking water and/or drinking water treatment chemicals. Products and materials may include process media, protective materials, joining and sealing materials, pipes and related products, mechanical devices used with treatment/transmission/distribution systems, and mechanical plumbing devices.


Product: Residential Cation Exchange Water Softeners

Characteristics: Residential cation exchange water softeners intended for removal of hardness and the reduction of specific contaminants from drinking water supplies (public or private) considered to be microbiologically safe and of known quality.


Product: Drinking Water System Components – Health Effects

Characteristics: Joining and sealing materials (gaskets, adhesives, lubricants); Mechanical devices (water meters, valves, filters);, Pipes and related products (pipe, hose, fittings); Plumbing devices
(faucets, drinking fountains); Process media (filter media, ion exchange resins); Non-metallic potable water materials


Product: Lead-Free Plumbing Products

Characteristics: Products may include any pipe, pipe fitting, solder, flux, or other plumbing products providing water for human consumption.


International Plumbing Code (IPC) The IPC protects public health and safety in buildings for all water and wastewater related design, installation and inspection by providing minimum safeguards for people at homes, schools, and workplaces. Water heaters, anti-scalding devices, back-flow prevention methods, water pipe sizing, and many other such issues are addressed in the IPC.


International Residential Code (IRC) Building codes are regulations that set out the standards to which buildings and other structures must conform. It covers all aspects of construction in a single code, including; building, plumbing, mechanical services, energy conservation, fuel, gas, and electrical provisions.

Click here to request a Performance Data Sheet and System Specifications.

Drinking Water System Certification

Maytag® M-550 Drinking Water Systems are certified by NSF

Maytag® drinking water systems are independently tested and certified by NSF (National Sanitation Foundation) International  against NSF/ANSI Standard 58 for the reduction of the claims specified on the Performance Data Sheet.  


Product: M-550 Drinking Water Treatment Systems

Characteristics: Standard 58 establishes minimum requirements for the certification of POU drinking water systems. The scope of Standard 58 includes material safety, structural integrity, product literature, TDS reduction, and additional contaminant reduction claims. These additional contaminant reduction claims may include the reduction of cysts, barium, radium, 226/228, copper, hexavalent and trivalent chromium, arsenic, nitrate/nitrite, cadmium, and lead. 

Click here for the Performance Data Sheet.