Install Instructions

Supply Drainage Support Specialties
Water Hammer Arrester
Sizing & Placement
Sioux Chief HydraRester® water hammer arresters should be sized per the Fixture Unit Formula
for Commercial Plumbing Installations such as multiple-xture public restrooms. Arresters should
always be placed directly upstream of the last xture on each header.
For more information on sizing and placement, visit www.siouxchief.com
Installation
Sioux Chief HydraResters should be installed depending on the connection type below:
MIP Thread Models:
Thread into same size FIP adapter.
Apply wrench to adapter HEX (NOT arrester barrel).
Male Sweat/
Press-Fit Models:
These models can be soldered into the same size female sweat fitting
or Press-Fitted into the same size Press-Fit fitting. When soldering,
apply torch to female fitting (NOT the arrester). Solder all other nearby
joints first, then install and solder arrester. Caution: Do NOT overheat.
Do NOT braze. Press-Fit: When installing into a Press-Fit fitting, install
per the Press-Fit fitting manufacturer’s instructions.
CPVC Models:
Install per ASTM D2846 Standard for CPVC Plastic Hot and Cold Water
Distribution Systems. Caution: Do NOT apply excessive amounts of
solvent cement in arrester fitting.
PEX Crimp Models:
Install per ASTM F1807 Standard for Metal Insert Fittings Utilizing a
Copper Crimp Ring for SDR9 PEX Tubing.
PEX Expansion Models:
Install per ASTM F1960 Standard for Cold Expansion Fittings with PEX
Reinforcing Rings for use with SDR9 PEX Tubing.
All HydraResters may be installed at any angle, and are approved for installation with no access
panel required. However, always check with your local code official and/or specifying engineer for
proper access requirements.
MIP Thread Sweat/Press-Fit CPVC F1807 PEX F1960 PEX
#IS- 665 08/18