Product Overview

PRE-ADJUSTABLE
PRESSURE REDUCING
VALVES
FUNCTIONS AND FEATURES
 Adjustable pressure reducing valves reduce and
stabilize water supply main pressure which, in
general, is too high and variable for domestic
systems to operate correctly.
 Replaceable cartridge containing diaphragm,
fi lter, and low-friction, anti-scaling seat, shuttle
and pressure-balancing piston for inspection
and periodic cleaning and maintenance.
 Adjustment knob PSI indicator scale is visible on
both sides. Operating knob pre-sets the desired
value before installation includes a locking screw
to minimize tampering.
 High temperature rating 180°F (80°C) and high
pressure rating 300 psi (20 bar) with optional
pressure gauge. Connection types include
Sweat, Press and NPT.
 Unique noise reducing pressure-balanced
cartridge for control stability and high fl ow
seat design with reduced fall-off pressure for
increased downstream fl ow to fi xtures.
 Certifi ed to ASSE 1003, CSA B356, NSF61,
NSF 372, low lead laws. Meets codes IPC, IRC
and UPC for use in accordance with US and
Canadian plumbing codes.
Controlling and protecting your water
535H SERIES
ASSE 1003
NSF 61