About Us Contact Us Easy Returns Privacy Shipping Terms of Service
Skip to content
scalemaster water softener in blue and black

Scalemaster Softline SL-150 Water Softener

by Scalemaster
£740.00
Click to Call Our Friendly Team

Notify me when back in stock

Fast, Free Shipping
vector of a customer support agent with headset on
friendly expert support
a vector of a smiling face with hands open
ongoing customer care
manufacturers warranty
Scalemaster® Water Softening Hardware

Do You Want Rid Of Limescale In Your Home? The Scalemaster SL150 Is Your Answer

Enjoy premium high flow rates, optimize your domestic household budget, and safeguard your structural plumbing lines with an efficient, eco-friendly water treatment system.

View Technical Specs Browse Scalemaster Collection
Fast, Free DeliveryQuickly Dispatched with no Hidden Charges
Friendly Expert Support0121 630 1130 / info@regalflow.co.uk
Hassle-Free ReturnsDon't need it? Send it back
Save MoneyFind a Better Price? We'll Beat It
A Scalemaster Water softener front view

Innovative Water Softener System

  • High Flow Rates: 

    Keeps water flowing easily to ensure your home always has a good flow of softened water.

  • Low Salt and Water Usage: 

    Save water, lower bills, and reduce the frequency of refills.

  • No Electricity Required: 

    Simple set up free from the hassle of power connections and additional socket installation.

  • Extended Warranty: 

    2 Years Parts, 2 Year Labour. Purchase with confidence with this long-term warranty.
Looking at other models? Browse the complete Scalemaster Water Softener Collection or compare specifications using our Scalemaster Water Softener Comparison Guide.

This Home Water Softener has On-Demand Regeneration to Match Your Water Usage

  • On-Demand Regeneration:

    Helps save salt, water, and energy by only kicking in when your home actually needs it, making the system last longer and work smarter.

  • Block or Tablet Salt:

    The Scalemaster® SL150 is known for its outstanding efficiency, using as little as 330 grams of salt and 18 liters of water per regeneration, making it one of the most eco-friendly water softeners available.
A home water softener system in black and blue front view
Scalemaster 2 Year Warranty Protection Details

2 Year Warranty With This Scalemaster Water Softener

Ensure your home remains limescale-free with the Scalemaster Water Softener, backed by a comprehensive 2-year warranty. Enjoy long-term protection, hassle-free maintenance, and the comfort of knowing your investment is covered.

DIY-Friendly: The Scalemaster Softline 150 is a Quick and Easy Installation

  • Clip & Connect:

    Enjoy quick and easy installation with the unique design and integrated bypass manifold, which makes this water softener system far simpler to install than standard water softeners. Full installation details are provided.

  • Smart-Fit:

    Designed for compact areas, the SL150 Water Softener System fits perfectly in standard kitchen cabinets and other space-constrained locations.
A water softener system front view in black and blue

No Electricity Required - What Are The Main Benefits of a Non-Electric Water Softener System?

  • No Electrical Costs:

    Since it doesn't require electricity to operate, you avoid the ongoing costs associated with powering this Water Softener which can add up over time.

  • Efficient Regeneration:

    The mechanical water meter ensures that the system only regenerates when necessary, reducing the amount of water and salt used during the regeneration process. As a result, your water and salt expenses may be reduced.

  • Lower Maintenance Costs:

    Non-electric Water Softeners typically have fewer components that can fail, leading to potentially lower maintenance and repair costs over the life of the system.

  • Longevity and Durability:

    Non-electric systems are often more robust and less prone to breakdowns, which can save you money on replacements or repairs.
A cardboard box with a home water softener inside

The Compact Water Softener That Fits Almost Anywhere

With its compact dimensions, this Scalemaster Softline 150 is designed to fit easily into tight spaces without sacrificing performance, and will easily fit under most sinks. Suitable for houses or apartments.

H 470mm x W 240mm x D 483mm (540mm with connectors)

Want to cross-examine other sizing options? Review our comprehensive Scalemaster Water Softener Comparison Guide.

The Real Cost of Untreated UK Hard Water

Over 60% of homes in the UK have hard water, around 16m homes! Obvious signs, such as frequent equipment failures, noisy boilers, diminished water pressure, and the accumulation of chalky, crusty deposits, point to the presence of hard water. Only a water softener can eliminate this issue, and it will also clean your pipes of chalky deposits that have built up over time.

If left untreated, you may see signs such as reduced water pressure, damage to household appliances, leaking and burst pipes, poor water quality, reduction in your clothes quality, and increased energy costs. Additionally, you will almost certainly face the burden of extra cleaning to remove the unpleasant chalky deposits.

A tap damaged by Limescale before using a Scalemaster SL150
A shower door damaged by limescale before using a home water softener system

The damage caused by limescale can be both frightening and expensive. Why wait for it to happen? Invest in a Scalemaster Water Softener today.

This SL150 is Suitable for Houses and Apartments

What's included with the SL150:
  • Scalemaster Softline SL150 Water Softener
  • 2 x 15mm or 22mm Hoses
  • 1 x Corrugated Discharge / Overflow Hose
  • 1 x Integrated Bypass and Non-Return Manifold
  • 2 x Hardness Test Strips
  • 1 x Registration Card

Over 30 Years of Water Treatment Expertise

For over 30 years, Scalemaster® has been a top provider of high-quality water treatment products. Their products are used residentially across the UK, Europe, and the US and are also used in places such as safari parks, hotels, dental and veterinary clinics, airports, and well-known restaurant and coffee shop chains.

* IMPORTANT: To qualify for warranty the softener must be registered and installed in accordance with the Manufacturers installation instructions. Warranty does not cover incorrect installation or setting up of the softener, site damage or resin contamination.

For comprehensive information about water softeners, including types and installation, visit our blog: Water Softeners

Technical Documentation & Manuals

Scalemaster Limited PDF Logo Scalemaster Water Softener SL150 Installation Manual

Official manufacturer step-by-step setup blueprints and guidance.

A PDF for Water Softener SL150 Scalemaster Water Softener Technical Data

Complete engineering configurations and material matrices.

Scalemaster Softline SL150 Technical Specifications

Height 470mm
Depth 483mm
Depth (With Connectors) 540mm
Width 240mm
Approximate Regeneration Time 12 Minutes
Resin Volume 3.3 Litre (Ultra Fine)
Salt Used Per Regeneration 330gm
Water Used Per Regeneration 18 Litres
Inlet & Outlet Ports 3/4” BSP
Drain & Overflow Connections 1/2”
Power Source Required None (Driven entirely by fluid Water Pressure)
Installation Orientation Available Left / Right / Rear
Maximum Ambient Temperature 40°C
Maximum Soft Water Yield (at 200 ppm input) 750 Litres
Maximum Soft Water Yield (at 300 ppm input) 500 Litres
What Salt to Use Block, Granular, Tablet
Warranty Coverage Protection 2 Years Parts, 2 Years Labor Support Framework
Explore the full Scalemaster Collection, compare systems using our Scalemaster Water Softener Comparison Guide, or browse all Water Softeners available from Regal Flow.

Scalemaster Water Softeners Come With Fast, Free Delivery

Get rid of limescale, cut down appliance maintenance cycles, and elevate your home fluid infrastructure with direct dispatch and comprehensive guarantee protection.

Call 0121 630 1130 Email Specifications Desk WhatsApp Technical Support

Technical System Consultation & Inquiries

Unsure about your cupboard spaces, incoming flow dynamics, or connections? Our technical assistance desks are fully active to clear away doubts before purchase routines take place.

Contact Support Team
Email Support: info@regalflow.co.uk
Telephone Direct: 0121 630 1130

Take a look at our other water softeners

Click here to view our full range