Product Overview

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Caleffi North America, Inc.
3883 W. Milwaukee Road
Milwaukee, WI 53208
Tel: [phone] · Fax: [phone]
[e-mail] · www.caleffi.com
© Copyright 2018 Caleffi North America, Inc.
SPECIFICATION SUMMARIES
5231 series
Adjustable thermostatic mixing valve. ASSE 1017/CSA B125.3 certified by ICC-ES . Threaded NPT or sweat connections from 1”
to 2” with unions and tailpieces. DZR low-lead brass body (<0.25% lead content), meets requirements of IPC, IRC, UPC, NPC and
ANSI/NSF 372-2011 certified b y ICC-ES . PPSG40 shutter, stainless steel springs, and peroxide-cured EPDM seals. Maximum
working pressure 200 psi (14 bar). Maximum operating differential pressure 75 psi (5 bar). Mixed temperature setting range 95°F
to 150°F (35°C to 66°C), Temperature stability ± 3°F (± 2°C). Maximum water hardness: 10 grains. Provided with tamper-proof
temperature locking. Provide with optional mixed outlet temperature gauge for 1 1/4" union sweat model, 30°F to 210°F scale, 2
inch diameter. Provide with optional stainless steel inlet port check valve assembly with an acetal plastic check valve insert and
NBR o-ring, field installed.