Monarch Master HE Water Softener MASM003HE28 1″ Upgrade for 28mm Supply with Rapid-Fit Bypass
🚚 Delivery in up to 5 working days (may be sooner) on this product
WRAS-approved water softener with 1″ upgrade for 28mm plumbing, featuring Opti-Brining® HE resin, FreeFlow valve, and Rapid-Fit bypass for efficient performance and easy installation.
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- Estimated Delivery: For most items (over 99% of our products), orders placed before 3pm on working days will be dispatched the same day with our Fast DELIVERY 1st class service. For the rare items not immediately in stock, dispatch may take 1-3 working days after receiving your order. If your order cannot be dispatched the same day, we will notify you via email.
The Monarch Master HE MASM003HE28 is a next-generation high-efficiency water softener designed for medium to large households of up to 9 people. Featuring a 1″ upgrade for 28mm plumbing systems, this model delivers excellent flow rates up to 83 lpm and minimal pressure drop, making it ideal for homes with high water demands.
Engineered with Opti-Brining® technology and HE food-grade resin, this softener only regenerates the resin used, saving up to 56% on salt and reducing water consumption by 24% annually. Its intelligent Customer Protect Programme (CPP) monitors water usage, detects leaks, and automatically manages regeneration scheduling for optimal efficiency.
The unit includes a full installation kit with Rapid-Fit bypass, tablet salt compatibility, and WRAS approval for quality assurance. With a compact footprint, modern control system, and 7-year parts / 2-year labour warranty, the MASM003HE28 is built for performance, sustainability, and reliability.
Key Features
• 1″ Upgrade for 28mm Supply – Ideal for high-flow domestic water systems
• Opti-Brining® Technology – Reduces salt and water usage by regenerating only used resin
• FreeFlow Valve Design – Supports flow rates up to 83 lpm with low pressure loss
• CPP Smart Control System – Learns usage, delays regen, and detects plumbing leaks
• Rapid-Fit Installation Kit – Simplifies setup with up to 80% fewer components
• WRAS Approved – Certified for quality and compliance
• Warranty Coverage – 7-year parts and 2-year labour included
Applications
• Large Homes – Designed for households with up to 9 people
• 28mm Plumbing Systems – Optimized for 1″ high flow pipework
• Scale Prevention and Removal – Extends life of boilers, showers, and kitchen appliances
Technical Specifications:
| Feature | Details |
|---|---|
| Brand | Monarch Water |
| Product Name | Master HE Water Softener |
| Part Number | MASM003HE28 |
| Material | HE Food-Grade Resin |
| Finish | Grey |
| Dimensions (H × W × D) | 800mm × 340mm × 550mm |
| Max Flow Rate | 83 lpm |
| Water Pressure Range | 1.5 – 5 bar |
| Max Operating Temperature | 49°C |
| Connection | 1″ mbsp (28mm compatible) |
| Electrical Supply | 220v, 3-pin plug with transformer |
| Warranty | 7 years parts / 2 years labour |
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