User Guide

ManualsBrandsCaleffi ManualsCombo Pressure Valves1/2" FNPT Demineralizing Filter Housing and Color Changing Cartridge

The demineralizer filter housing unit with replaceable resin cartridge is a replacement

component for the Caleffi code NA573022 pre-assembled replenish water treatment

filling unit, which is installed on the water inlet piping in sealed hydronic heating and

cooling systems. Refer to instruction sheet NA11310 and technical brochure 01268

for installation and maintenance information on the NA573022 assembly, which

includes the AutoFill™ fill valve, isolation ball valves and code 573 backflow preventer.

Demineralizer filter housing

NA573

NA10455.01

www.caleffi.com

NA573100 ½” FNPT inlet x ½" FNPT outlet

NA573102 10" color changing demineralizing filter

NA573

Materials - body: plastic

- cover: plastic

- seals: rubber

Performance

Suitable ﬂuids: tap water

Max. inlet pressure: 125 psi (8.5 bar))

Max. working temperature: 100°F (38°C)

Max. ﬂow rate: 1 gpm (0.6 l/s)

Demineralization capacity for 180 ppm untreated water:

30 gallons

TDS of water after treatment: < 30 ppm

Resin exchange:

-Anion: 60%

-Cation: 40%

Connections - ½” FNPT inlet x ½" FNPT outlet

Product Range

Technical

Specifications

Function

Summary of content (4 pages)

PAGE 1
NA10455.01 www.caleffi.com Demineralizer filter housing © Copyright 2019 Caleffi NA573 Function The demineralizer filter housing unit with replaceable resin cartridge is a replacement component for the Caleffi code NA573022 pre-assembled replenish water treatment filling unit, which is installed on the water inlet piping in sealed hydronic heating and cooling systems.
PAGE 2
SAFETY INSTRUCTION / CONSIGNE DE SÉCURITÉ This safety alert symbol will be used in this manual to draw attention to safety related instructions. When used, the safety alert symbol means ATTENTION! BECOME ALERT! YOUR SAFETY IS INVOLVED! FAILURE TO FOLLOW THESE INSTRUCTIONS MAY RESULT IN A SAFETY HAZARD. Ce symbole d'avertissement servira dans ce manuel à attirer l'attention sur la sécurité concernant instructions.
PAGE 3
Construction details Isolation ball valves AutoFill™, code 553642A Backflow preventer, code 573403A Filter housing, code NA573100, with demineralizing cartridge, code NA573102 This assembly uses a special 10-inch demineralizing filter cartridge, code NA573102, containing the color changing resin beads necessary to demineralize water passing through it at relatively low flow rates. The cartridge assembly can be isolated by closing the two ball valves.
PAGE 4
Cartridge change 1. Close the isolation ball valves. 2. Turn the cartridge with white plastic wrench included with unit. 3. Remove the used cartridge and discard them. 4. Insert the new cartridge. 5. Turn the cartridge and tighten in place with the white plastic wrench. 6. Re-open the isolation ball valves to return to normal operation.