KleenWater 877-553-3698

KleenWater Tankless Hot Water Filter System, Scale Prevention


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The KleenWater KW2520-scale-X system is designed for pre-filtration for all tankless hot water systems. Our filtration system includes a transparent water filter housing, bracket, wrench and two 2.5 x 9.75 inch polyphosphate water filter cartridges with coupler.

  • KleenWater transparent water filter housing, water filter cartridges 2.5 x 9.75 inch (2), bracket and wrench
  • Protects tankless hot water systems and helps avoid costly service calls
  • Polyphosphate filter to prevent scale and reduce the harmful effects of water hardness
  • 5 micron dirt rust sediment filtration
  • Compatible with all brands such as Rinnai, ECOTEMP, Rheem, Eemax, Takagi, Noritz, Ecosmart, Atmor, Bosch, Navien and Marey Power

The KleenWater transparent filter sump allows for visible inspection of sediment load on the cartridge. This filter housing is manufactured in Italy from the highest quality and safest materials. The transparent housing is constructed of polyethylene which is the considered a safe choice by specialists in the food and beverage industry. It is manufactured with a proprietary procedure saving up to 60% of energy in injection molding compared with standard plastics. This filter is very rugged and boasts a 125 psi maximum working pressure and 120 degree max temperature. The system is intended for cold water applications and is the ideal choice to pre-filter tankless feed water. A built-in pressure relief vent and a spanner wrench are included for easy periodic cartridge change out. Included is a mounting bracket with screws. The bracket will help ensure a sturdy installation. The filter head is equipped with 3/4" NPT inlet/outlet threads with a 14 gallon per minute flow rate.

The water filter cartridges are made of food grade wound cotton that filters sediment to 5 microns. However, the critical feature that provides the essential protection to tankless systems is the phosphate ingredient. This ingredient reacts with naturally occurring calcium bicarbonates in the water supply to form a thin, tight, non-corrosive, passivating film on pipe walls. This film is almost like a glass coating, separating the water from the metal plumbing/hot water system.

This system will prevent scale build up and reduces the harmful effects of water hardness. Pre-filtration is required to prevent damage to expensive tankless systems and help to avoid costly maintenance calls.

  • Model: KW2520-SCALE-X

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