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Hydronic valves
Backflow preventer
573
Backflow preventer
Description:
Dual check continuous pressure backflow preventer with atmospheric vent.
Female union connections.
 
Maximum working pressure:  175 psi
Working temperature range:  32˚ - 210˚F
 

ASSE 1012 listed and CSA B64.3 certified.


Articles:
codedescriptionlbspackcase
573403A1/2" NPT33.520 
573409A1/2" sweat33.520 
573493A1/2" NPT + 1/2" sweat33.520 
573503A3/4" NPT33.520 

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