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Important Safety Information

Please read this manual prior to installation.

Thank you for purchasing Nature

2

. This Nature

2

 Pro A Plus Aboveground Vessel provides the housing for the A 

Aboveground Replacement Cartridge which is sold separately. Always refer to the owner’s manual included with your 

cartridge for proper start-up procedures and the required low chlorine recipe. If you have questions, your Nature

2

 dealer 

can provide advice and service.

Vessel Installation and Operating Manual

The Nature

2

 Pool Sanitizer is designed for residential swimming pools only.

IMPORTANT:  

Pool owner, save this manual.   

Builders, leave this manual with pool owner.

Specifications

Capacity

:    Up to 30,000 gallons 

Dimensions

:  18” L x 18” H x 10” D

Ports

:  1.5” FPT threaded inlet and outlet 

Weigh

t:  10 lbs.

Maximum operating pressure

:  45 psi

Minimum flow rate

:  20 GPM

Maximum flow rate

:  80 GPM

Limited warranty

:  Vessel - 2 years 

Replacement cartridge

:  (sold separately)

 

A30 Limited - 5,000 to 30,000 gallons

 

Important: The proper replacement cartridge model is   

 

indicated on the front label of your Pro A Plus.

Chlorine

:  (sold separately)  

 

Use only slow dissolving Trichloro-S-Triazinetrione  

 

(Tri-Chlor) tablets.     

Tri-Chlor tablet capacity

:  4.5 lbs.

EQUIPMENT UNDER PRESSURE

•  Always turn pump off prior to installing or changing any Nature

2

 

vessel or cartridge, or adding chlorine tablets. Your pump/filter 

system is operated under pressure and the pressure must be 

released before you begin work. Please see your pump/filter 

owner’s manual for further instructions.

PREVENT CHILD DROWNING 

•  Do not let anyone, especially small children, sit, step, lean or 

climb on any equipment installed as part of your pool’s operational 

system. Locate the components of your operational system at least 

3 feet from the pool so children cannot use the equipment  

to access the pool and be injured or drown. 

CHEMICAL USE HAZARD

•  The Pro A Plus is designed to use only Trichloro-S-Triazinetrione 

tablets - slow dissolving type. 

Never mix with other types of 

chlorine or chemicals. 

Explosion or fire may result.

•  Exercise extreme caution when opening or servicing your feeder. 

Always shut off pump and available valves before opening. Do not 

inhale any fumes from any chemical feeder or container. Protect 

your eyes, skin and clothing from chemicals at all times.

• 

Never open chlorinator when pump is running

.

•  To prevent build-up of gas in chlorinator, be sure pool return line 

valve(s) is kept open - except when opening/servicing unit.

•  Always read label and carefully follow chlorine manufacturer’s and 

dealer’s recommendations for proper water conditioning and daily 

chlorine requirements for your particular pool and area.

WARNING

Failure to comply with the following warnings can result in permanent injury or drowning. 

!

Nature

2

®

 Pro A Plus

Aboveground

 

Sanitizer

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