Monarch MAXIMA GS4000HE Water Softener GS4004HE WRAS Approved 25L HE System with 28mm Bypass and Hoses
🚚 Delivery in up to 5 working days (may be sooner) on this product
WRAS-approved 25L water softener for up to 11 users, with HE resin and intelligent microprocessor control. Supplied with 1″ 28mm hoses, Rapid-Fit bypass, and full installation kit.
- All prices include VAT
- 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 MAXIMA GS4000HE GS4004HE is a light commercial water softener system ideal for large homes or small businesses of up to 11 people. WRAS approved and engineered for high demand performance, it features a 25 litre HE food-grade resin, delivering a daily capacity of 4,750 litres at 300 ppm.
Equipped with an intelligent microprocessor, the system continuously monitors and remembers your water usage, optimising regeneration through Opti-Brining® technology—only softening the resin that has been used, saving up to 56% on salt. With flow rates up to 75 lpm, it ensures strong and efficient water delivery with low pressure drops.
The unit comes complete with a Rapid-Fit bypass, 1″ braided connection hoses (28mm compatible), and 3m drain/overflow hose, offering an easy and compact installation. Its compact dimensions allow flexible placement, while its 7-year parts and 2-year labour warranty ensures long-term peace of mind.
Key Features
• WRAS Approved System – Certified for safety and compliance in commercial-grade installations
• HE Resin with Opti-Brining® – Efficient metered regeneration with up to 56% salt savings
• High Flow Performance – Flow rates up to 75 lpm with minimal pressure drop
• Intelligent Microprocessor – Learns and adapts to usage for efficient water and salt use
• Complete Installation Kit – Includes 28mm 1″ hoses, 3m drain/overflow hose, and test kit
• Compact and Powerful – Designed for households or light commercial use with up to 11 users
• Energy Efficient – Costs less than £10/year to run on electricity
Applications
• Large Domestic Homes – Serves multiple bathrooms with consistent soft water supply
• Light Commercial Settings – Ideal for small offices, salons, cafés, and hospitality units
• Hard Water Areas – Protects plumbing and appliances while improving water quality
Technical Specifications:
| Feature | Details |
|---|---|
| Brand | Monarch Water |
| Product Name | MAXIMA GS4000HE Water Softener |
| Part Number | GS4004HE |
| GTIN | 5060134172511 |
| Material | HE Food-Grade Resin |
| Finish | Grey |
| Dimensions (H × W × D) | 870mm × 350mm × 565mm |
| Daily Capacity | 4,750 litres (at 300 ppm) |
| Salt Use per Regeneration | 2.6 – 3.7 kg |
| Max Flow Rate | 75 lpm |
| Water Pressure Range | 1.5 – 5 bar |
| Max Operating Temperature | 49°C |
| Connection | 1″ mbsp (28mm) |
| Electrical Supply | 220v 3-pin plug with transformer |
Reviews
There are no reviews yet.