Wisconsin Parts Database Instructions and Discussion Team/Group > INDIANA
> Motors and tools
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> Watts 150A 1/2" npt water hammer arrestor
Watts 150A 1/2" npt water hammer arrestor
WATTS 150A WATER HAMMER ARRESTOR INSTALLS USING 1/2" NPT MALE FITTING
APPROXIMATELY 3.5" DIAMETER, AND ABOUT 4.5" TALL THESE ARE SMALL UNITS, BUT THEY DO A BIG JOB!
THEY CAN BE MOUNTED VERTICAL OR HORIZONTAL.
THEY ARE PRE-CHARGED AT THE FACTORY, BUT IT IS WISE TO CHECK THEM AT INSTALL.
MFR RECOMMENDS ANNUAL INSPECTION AND RE-CHARGE TO FLOW PRESSURE LESS 5 PSI.
YOU MUST CHARGE THESE SLOWLY AND CAREFULLY, I USE A BICYCLE PUMP SO THAT I CANNOT OVERCHARGE THEM.
AN AIR COMPRESSOR CAN BURST THE DIAPHRAGM ON THIS KIND OF DEVICE VERY EASILY, AND SURPRISINGLY FAST!
