SPECIFICATION SUMMARY
533H series
Compact pressure reducing valve with self-contained removable cartridge, certified by ICC-ES to ASSE 1003, CSA B356
(R2015), NSF/ANSI 61 (180°F/82°C Commercial Hot) and NSF/ANSI 372 Low lead compliance. Meets codes IPC, IRC,
UPC and NPC for use in accordance with the US and Canadian plumbing codes. Sizes ½" with NPT female union or
sweat union inlet connections and integral NPT female outlet, sizes ¾" with NPT female union, sweat union, press union,
PEX crimp union, or PEX expansion inlet connections and integral NPT female outlet connection. PEX crimp fittings
must comply with ASTM F 1807. PEX expansion fittings must comply with ASTM F 1960. Dezincification resistant low-
lead forged brass body
(<0.25% Lead content) certified by and listed by ICC-ES.
DZR low-lead brass internal moving
parts. Cover in
glass reinforced nylon
PA6G30. Stainless steel filter, mesh size 0.51 mm (35 mesh). Peroxide-cured
EPDM membrane and sealing gaskets. PTFE compensating piston rings. Maximum working temperature 180 degrees
F (80 degrees C). Maximum upstream pressure 250 psi (17.25 bar). Downstream pressure setting range from 15 psi
to 80 psi (1 bar to 5.5 bar). Self-contained cartridge removable for maintenance purposes. Equipped with operating
knob with manual setting with adjustment screw. Provided with tamper-resistant cap for optional use. Provide with
optional pressure gauge with 0 psi to 100 psi (0 bar–7 bar) pressure scale. Pressure gauge connection 1/8” NPT female.
We reserve the right to make changes and improvements to the products and related data in this publication, at any time and without prior notice.
Caleffi North America, Inc.
3883 W. Milwaukee Road
Milwaukee, WI 53208
Tel: 414-238-2360 · Fax: 414-238-2366
[email protected] · www.caleffi.com
© Copyright 2019 Caleffi North America, Inc.
Replacement parts
Replacement valve
body for PresCal
Compact
533H series
pressure reducing
valve.
Meets
requirements of NSF/
ANSI 372-2011.
Certified to:
ASSE 1003/
CSA B356, NSF
61 (180°F/82°C
Commercial Hot), file
PMG-1356. Low lead,
by ICC-ES file
PMG-1360.
533
449HA .....½" body with ¾" male union thread
533
459HA......¾" body with 1" male union thread
Replacement cartridge
for PresCal
Compact
533H series pressure
reducing valve.
533
000H.........Fits 533H size ½" and ¾" valves
ASSE 1003
NSF 61
Pressure gauge fits
533H series pressure
reducing valves.
Pressure range 0 to
100 psi (0 to 7 bar).
NA102
73....................................
1/8"
NPT male
