Product Overview

535H series
Pre-adjustable pressure reducing valve with pressure balanced seat and self-contained cartridge, certified by
ICC-ES to ASSE 1003, CSA B356, NSF 61 and NSF 372. Meets codes IPC, IRC and UPC for use in accordance with the US
and Canadian plumbing codes. Sizes ½" to 2" with NPT female union or sweat union connections, sizes ¾" to 1" press union
connections, sizes ¾" to 1" PEX crimp union connections and size ¾" PEX expansion union connections. 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 PA66M40/1. 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 300 psi (20 bar). Downstream pressure setting range from 15 psi to 90 psi (1 bar to 6 bar). Self-contained
cartridge removable for maintenance purposes. Equipped with: operating knob with downstream pressure adjustment scale
for manual setting and tamper-proof adjustment locking screw , pressure gauge with 0 psi to 100 psi (0 bar–10 bar) pressure
scale (version with pressure gauge). Pressure gauge connection 1/8” NPT female (version without pressure gauge).
SPECIFICATION SUMMARY
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: [phone] · Fax: [phone]
[e-mail] · www.caleffi.com
© Copyright 2019 Caleffi North America, Inc.
Replacement parts
Replacement
cartridge for PresCal
535H series pressure
reducing valve.
535006HA .....fits 535H ½”, ¾” 1”
535007HA......fits 535H 1¼”, 1½”, 2”
Pressure gauge fits
535H series pressure
reducing valves.
Pressure range 0 to
100 psi (0 to 7 bar).
NA10273....................................
1
/8" NPT male