Function
Pressure reducing valves are devices which, when
installed on water systems, reduce and stabilize the
pressure of the water entering from the water supply
main. This pressure, in general, is too high and
variable for domestic systems to operate correctly.
The 535H series pressure reducing valves, ideal for
residential and commercial applications, feature a dial
indicator with direct readout allowing easy pressure pre-
adjustment. After installation, the valve will control at the
pre-adjusted pressure setting.
The valve is constructed of DZR low-lead forged brass
and incorporates a unique noise reducing and high
flow seat design, is easily serviced with a replaceable
cartridge and has an integral stainless steel filter
(35 mesh), suitable for water systems that may
contain sediment and debris.
The valve is ICC-ES certified to ASSE 1003, CSA B356,
NSF 61, NSF 372, low lead laws and listed by ICC-ES.
It meets codes IPC, IRC and UPC for use in accordance
with the US and Canadian plumbing codes.
Product range
5353H Series
Pre-adjustable pressure reducing valve with or without pressure gauge and NPT female
threaded union connections, sizes ½", ¾”, 1", 1¼", 1½" and 2".
5356H Series
Pre-adjustable pressure reducing valve with or without pressure gauge and union press
connections, sizes ¾” and 1".
5357H Series
Pre-adjustable pressure reducing valve with or without pressure gauge and union PEX
crimp connections, sizes ¾” and 1".
5359H Series
Pre-adjustable pressure reducing valve with or without pressure gauge and union sweat
connections, sizes ½", ¾”, 1", 1¼", 1½" and 2".
535H series pressure reducing valve
Installation, commissioning and servicing instructions
NA10397.02
www.caleffi.com
1
© Copyright 2018 Caleffi
535H Series
ASSE 1003
NSF 61