Description

WATTS®, F792321, Reduced Pressure Zone Backflow Preventer, Inline, Series: 957-FS, 4 in Nominal, Flanged End Style, 175 psi Pressure, 140 to 33 deg F, Non-Rising Stem Gate Valve Ball Valve/Gate Valve, Reduced Pressure Zone Backflow, Media: Water, Stainless Steel Body, 7 in H x 33-3/4 in W x 11-3/16 in D Dimensions, Domestic

Features:

• UL and FM outside stem and yoke resilient seated gate valves
• Features a flood sensor with SentryPlus Alert technology to detect excessive water discharges from the relief valve
• 304 (Schedule 40) stainless steel housing and sleeve

Standards/Approval:

• N-No UL Code Rating
• ASSE 1013
• CSA B64.4
• cULus Classified
• FM Approved
• NSF/ANSI 691-G
• PROP65: Cancer and Reproductive Harm www.P65Warnings.ca.gov

Warranty:

1 Year

Backflow Type	Reduced Pressure Zone
Ball Valve/Gate Valve Type	Non-Rising Stem Gate Valve
Body Material	Stainless Steel
Dimensions	7 in H x 33-3/4 in W x 11-3/16 in D
Domestic/Import	Domestic
End Style	Flanged
Media	Water
Nominal Size	4 in
Pressure Rating	175 psi
Series	957-FS
Temperature Rating	140 to 33 deg F
Type	Inline
Manufacturer	Watts Regulator Company