NSF Product and Service Listings

These NSF Official Listings are current as of Thursday, June 08, 2023 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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Equipment for Swimming Pools, Spas, Hot Tubs
and Other Recreational Water Facilities

Sentry Valve Company 
13420 Bittersweet Road
Woodward, IA 50276 
United States 
Visit this company's website

Facility : Grimes, IA

Heaters and Heat Exchangers
Trade Designation Type Size Maximum
Flow Rate
End Use

3/4" Sentry Heat Exchanger[1]
HX-A Gas 3/4",2X9 (10FT) 10 50 Pool or Spa/Hot Tub

[1] Follow manufacturer's instructions for the installation and operation of this equipment.
    modifications, other than those recommended by the manufacturer, will void the NSF
    NSF Certified to NSF/ANSI Standard 50 for material health safety, product marking,
    installation and
    use instructions, dimensional compliance, burst testing at 73°F, 20,000 pressure cycle
    testing, burst
    testing at 140°F, and pressure loss testing.

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