Submittal Sheet

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A Division of Reliance Worldwide Corporation
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2400 7th Avenue S.W · Cullman · Alabama 35055 · USA · www.cashacme.com
US Contact: 1-877-700-4242 · [e-mail] · Canadian Contact: 1-888-820-0120 · [e-mail]
Specifications & Sales Sheet • Issue Date March 2014 • Last Revision March 2016
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Masterguard
®
800 Series–Lead Free
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DESCRIPTION
The Masterguard Series is a High Flow Temperature Actuated Mixing Valve that mixes hot water
with cold to deliver tempered water at a controlled temperature up to 150°F (65°C) maximum.
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The Masterguards are central mixers intended for installation in the plant room of commercial
and industrial facilities to distribute controlled temperature water to the domestic hot water
system of a whole building or a section of the building.
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The Masterguard incorporates a fast acting, high quality thermostatic element that senses the
outlet water temperature and reacts to maintain a stable delivery temperature even under
changing flows or variations in supply temperatures. The valve also greatly reduces the outlet
flow in the event of a cold water supply failure.
The Masterguard features a robust design based on the expertise gained from years of
experience in the design and manufacture of safety valves. Every valve is tested for performance
on an automated testing station during the assembly process. The valves are third party listed to
ASSE 1017 and CSA B 125.3 standards.
The Masterguard valves have an adjusting knob that can be locked at a desired temperature.
Alternatively it can function in an adjusting mode, with the handle clearly marked to indicate the
direction to turn to achieve hotter or colder water temperatures.
Each valve has integral mounting feet to allow it to be securely fixed to a wall or frame.
The Masterguard is shipped complete as a kit with 4-in-1 service fittings (integral ball valve,
strainer, gauge/flushing port and check valves) on each inlet. The service fittings have a female
inlet thread that secure to the base through union connections. The mix water outlet is female
NPT. The Masterguard series are available in sizes from ¾” to 2”.
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FEATURES AND BENEFITS
Accurate temperature control, even at very low flows.
Faster to commission, greater user comfort and safety.
Integral mounting feet on valve body:
No extra brackets to buy, lower cost and more secure
installation.
Fast reaction to changes in flow rate or supply temperature:
Constant outlet temperature for greater comfort!
Robust, low complexity construction:
Superior reliability, improved user safety.
Listed by IAPMO and ASSE:
Inspector friendly, peace of mind!
SPECIFICATION
A Temperature Actuated Mixing Valve shall be installed at hot water source to distribute tempered
water throughout the domestic hot water system at a maximum temperature of 150°F (65°C). The valve
shall have a thermostatic control mechanism based on the expanding wax principle and shall have
integral mounting feet. The valve shall be certified to ASSE 1017, CSA B 125.3, NSF 372 and NSF 61
standards and shall be listed by a third party. The valve shall be complete with integral ball valve
isolators, strainers, check valves and gauge/flushing ports on each inlet. The valve shall be a Cash
Acme Masterguard
®
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24540!