Scalewatcher 4 Star Electronic Water Softener Conditioner


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Product Overview

This Scalewatcher 4 Star hard water unit is designed for larger houses with well water and provides more power for homes with 3 or more bathrooms, tankless hot water heaters or solar hot water systems.

For municipal or well water, large houses. For indoor use only.

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Hard Water Treatment Unit

Residential use. Villa’s, made for large water users and swimming pools.

Warranty: Ten years

Performance guarantee: Twelve months

Bar graph indicator reading:

The Scalewatcher™ 4 Star is fitted with a bar graph indicator.

It can be interpreted as follows:

Bottom segment indicates 12 V DC internal supply.

Second segment (from bottom) indicates signal present at output pins.

Top segments flash to indicate that the signal cable is connected and correct modulated signal being generated.

Technical specifications of the 4 Star:

Pipe size: up to 2"

Water Hardness: up to 100 GPG (grains per gallon)

Supply voltage: 110 – 240 VAC + 10 %, 50/60 Hz

Energy consumption Less than 8 Watt/hour

Application Voltage 12 VDC

Coil cable One core 1 mm2/White

Maximum Coil Temperature 80 oC

Capable of driving 2 coils double layer

Enclosure material Polysterol Grey

Maximum enclosure temperature +60 oC

Minimum enclosure temperature -10 oC

Protection rate IP54, indoor use

Weight: 1.5 lbs

Dimensions: 9in x 4.25in x 2.5in

Warranty Information

10 Year Warranty


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