1

6.0 6.5 7.0 7.5 8.0 8.5

2

3

4

5

pH

6

7

8

9

10

0

SULFUR

IRON

ppm

Nitro™ Model Numbers

710 Orange Street, Ashland, OH 44805phone 800-363-9434 • fax 419-281-2375www.csih2o.com • info@csih2o.com

NTF15 1.5 CU FT NTF25 2.5 CU FT

With and Without Media

Nitro™ Nitro™Pro

NTP15 1.5 CU FT NTP25 2.5 CU FT

The Most

Innovative

Single Tank

Aeration

Systems

in the

Universe!

The NEW NITRO™ Filtration System utilizes the unique piston control system found in the Signature II control valve.

Signature II NITRO™ Control ValveFeatures:

• Precise external air induction directly into the media tank to help prevent control valve fouling and for ease of service

• Independently programmable air draw & backwash cycles saving THOUSANDS of gallons of water per year

• Forward & Reverse drive motor for maximum effi ciency

• Weather/insect resistant, one piece slide cover providing quick no tool access

• Proven electronics with simple, 2 button programming

• 9 volt battery backup

• Operates on low 12 vdc power

• 7 year limited CSI factory warranty

• SmartBlend™ media for iron, manganese, sulfur & low pH

• Vortech™ distributor plate for exceptional backwashing capability

• Simple one tank design

The NITRO™ Pro Filtration System is equipped with all the unique features of the NITRO™ System with the addition of the advanced TWEDO Function (Patent Pending).

Signature II NITRO™ Pro Control Valve Features:

• TWEDO (Twin Electric Drive Operation) function permits Oxyclean-NP, for Chlorine or Hydrogen Peroxide induction, without the use of a feed pump during backwash.

• Industry fi rst, ready to use, Oxyclean-NP automatic pumpless cleansing system, for the cleansing and disinfection of the fi lter media bed.

A Simple One Tank Design

Using Less Water than Anyone in the Industry!

Powered by the NEW Signature IIControl Valve w/ TWEDO FUNCTION

Powered by the NEW Signature II Control Valve

NITRO™PRONITRO™

Ready to use Oxyclean “NP” Connection

SmartBlend™ media for iron, manganese, sulfur & low pH

Aeration/Sorbing balls

External air injection assembly for easy access

Air injection directly into top of media tank to reduce control valve fouling

NEW Signature II Control Valve

Oxidation zone

Vortech™ distributor plate for exceptional backwashing capability

TWEDO Electronics (Twin Electronic Drive Operation)