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Models 537 through 541

DIATROL

®

SHOCK SUPPRESSORS FOR POTABLE WATER

INSTALLATION & OPERATION INSTRUCTIONS

READ CAREFULLY THE PRODUCT 

INSTALLATION & OPERATION INSTRUCTIONS.  

FAILURE TO FOLLOW THE INSTRUCTIONS AND WARNINGS IN 

THE MANUAL MAY RESULT IN SERIOUS OR FATAL INJURY AND/

OR PROPERTY DAMAGE, AND WILL VOID THE PRODUCT 

WARRANTY.  THIS PRODUCT MUST BE INSTALLED BY A LICENSED 

PROFESSIONAL.  FOLLOW ALL APPLICABLE LOCAL AND STATE 

CODES AND REGULATIONS, IN THE ABSENCE OF SUCH CODES, 

FOLLOW THE CURRENT EDITIONS OF THE NATIONAL PLUMBING 

CODE AND NATIONAL ELECTRIC CODE, AS APPLICABLE. 

EEXPLOSION OR RUPTURE HAZARD 

A relief 

valve must be installed to prevent pressure in 

excess of local code requirement or maximum working pressure 

designated in the Product Manual, whichever is less.  Do not expose 

Product to freezing temperatures or temperatures in excess of 200° F.  

Do not adjust the pre-charge or re-pressure this Product except for any 

adjustments required at the time of initial installation, especially if 

Product corroded, damaged or with diminished integrity.  Adjustments to 

pre-charge must be done at ambient temperature only.  Failure to 

properly size the Product or follow these instructions may result in 

excessive strain on the system lead to Product failure, serious or fatal 

personal injury, leakage and/or property damage.

Use only lead-free solder and flux for all sweat-

solder connections, as required by state and 

federal codes.

Chlorine & Aggressive Water: 

The water quality 

can significantly influence the life of this Product.  

You should test for corrosive elements, acidity, total solids and other 

relevant contaminants, including chlorine and treat your water 

appropriately to insure satisfactory performance and prevent premature 

failure.

Install or store where Product will not be exposed 

to temperatures below freezing or above 100°F, 

do not expose to any type of weather.  Water freezing in the system will 

break it.  Do not attempt to treat water over 100°F.  Do not install in direct 

sun light.  Excessive sun heat may cause distortion or other damage to  

non-metallic parts. 

This Product, like most Products under pressure, 

may over time corrode, weaken and burst or 

explode, causing serious or fatal injury, leaking or flooding and/or 

property damage.  To minimize risk, a licensed professional must install 

and periodically inspect and service the Product.  A drip pan connected 

to an adequate drain must be installed if leaking or flooding could cause 

property damage.  Do not locate in an area where leakage of the tank or 

connections could cause property damage to the area adjacent to the 

appliance or to lower floors of the structure.

This product can expose you to chemicals 

including lead, which is known to the State of 

California to cause cancer and birth defects or other reproductive harm. 

For more information go to www.P65Warnings.ca.gov. 

NOTE:

  Inspect for shipping damage and notify freight carrier or store where purchased immediately if damage is present.  To avoid risk of personal 

injury and property damage, if the product appears to be malfunctioning or shows signs of corrosion, call a licensed professional immediately.  Current 

copies of the Product manual can be viewed at www.amtrol.com.  Use proper safety equipment when installing. 

THIS IS THE SAFETY ALERT SYMBOL. IT IS USED TO ALERT YOU TO POTENTIAL PERSONAL INJURY AND OTHER HAZARDS. 

OBEY ALL SAFETY MESSAGES THAT FOLLOW THIS SYMBOL TO REDUCE THE RISK OF PERSONAL INJURY AS WELL AS 

PROPERTY DAMAGE.

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