NSF Product and Service Listings

These NSF Official Listings are current as of Wednesday, October 14, 2026 at 12:15 a.m. Eastern Time. Please contact NSF to confirm the status of any Listing, report errors, or make suggestions.

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NSF/ANSI 50
Equipment for Swimming Pools, Spas, Hot Tubs
and Other Recreational Water Facilities



 
Aquasol Controllers, Inc. 
1707 Townhurst
Houston, TX 77043 
United States 
800-444-0675 
713-683-6406
Visit this company's website

Facility : Houston, TX

Automatic Controllers
Trade Designation Parameters Operational
Range
Accuracy End Use

Automatic Controllers
FLEX[1] ORP 200 mV - 1400 mV ± 1 % Pool or Spa/Hot Tub
FLEX[1] pH 6.0 – 9.0 ± 0.06% Pool or Spa/Hot Tub
SPC ORP 200-1400 mV ± 2% Pool or Spa/Hot Tub
SPC pH 6.0 - 9.0 ± 0.03% Pool or Spa/Hot Tub
WTC pH 6.0 - 9.0 ± 0.03% Pool or Spa/Hot Tub
WTC ORP 200-1400 mV ± 2% Pool or Spa/Hot Tub
XPC pH 6.0 - 9.0 ± .12% Pool or Spa/Hot Tub
XPC ORP 200-1400 mV ± 1% Pool or Spa/Hot Tub

[1] Follow manufacturer's instructions for the installation and operation of this equipment.
    Any modifications, including the use of chemicals other than those recommended by the
    manufacturer, will void the NSF Certification.



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Number of matching Products is 8
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