HMD410/125 | Main drain 410 x 410 with 125mm connections – 43m”/hr (0.3m/s) 71m”/hr (0.5m/s)

Product Overview

As a retailer of hot tub and pool spare parts, I’m thrilled to introduce the HMD410/125, a high-capacity main drain designed for exceptional water circulation and enhanced safety in large swimming pools. This substantial 410 x 410 mm drain with 125mm connections is engineered to meet strict safety standards while providing superior flow rates for demanding pool systems.

Key Features

Advanced Safety Design

The HMD410/125 prioritizes swimmer safety with its advanced design:

1. Anti-Entrapment Technology: Engineered to significantly reduce the risk of suction entrapment.
2. Dual Drain Compliance: Meets regulations requiring a minimum of two main drains installed at least 2 meters apart.
3. Extra-Large Surface Area: The 410 x 410 mm size distributes suction over an extensive area, further enhancing safety.

High-Capacity Water Circulation

This main drain offers two impressive flow rate options to suit large pool sizes and high-demand pump systems:

1. 43m³/hr at 0.3m/s velocity – Ideal for standard operations in larger pools
2. 71m³/hr at 0.5m/s velocity – Maximum allowable velocity for high-demand systems

Professional-Grade 125mm Connections

Equipped with 125mm connections, the HMD410/125 ensures:

1. Compatibility with large-scale pool plumbing systems
2. Efficient ultra-high-volume water flow from the pool to the filtration system
3. Easy integration with existing large pool setups or new installations

Durable Construction

Manufactured using high-quality, chemical-resistant materials, this main drain is built to withstand:

1. Constant water exposure
2. Pool chemicals
3. UV radiation
4. High water pressure from increased flow rates

Installation and Compatibility

The HMD410/125 is designed for professional installation in large and commercial-grade in-ground swimming pools. Its larger size and 125mm connections make it ideal for new pool constructions or renovations of existing large pools requiring enhanced water circulation.

Why Choose the HMD410/125?

Opting for the HMD410/125 means investing in:

• Enhanced pool safety through advanced anti-entrapment design and extra-large surface area
• Ultra-high-efficiency water circulation for superior pool hygiene in larger pools
• Compliance with current safety regulations for high-capacity systems
• A durable and long-lasting pool component designed for the most demanding environments
• Versatility in flow rates to suit different large pool systems
• Easy integration with 125mm plumbing systems for maximum water flow

Specifications Table

Specification	Detail
Model Number	HMD410/125
Drain Size	410 x 410 mm
Connection Size	125 mm
Flow Rate (0.3m/s)	43m³/hr
Flow Rate (0.5m/s)	71m³/hr
Material	High-grade, chemical-resistant plastic
Compatibility	Large and commercial-grade in-ground swimming pools
Primary Function	Ultra-high-capacity water drainage and circulation
Safety Feature	Advanced anti-entrapment design with extra-large surface area

Safety and Regulatory Compliance

It’s crucial to emphasize that regulations require a minimum of two main drains to be installed at least 2 meters apart, even for these larger units. This requirement is designed to prevent a single-point suction hazard, significantly enhancing swimmer safety. Always ensure your pool design and installation comply with local and national safety standards, especially for high-capacity systems.

Maintenance Recommendations

To ensure the longevity and optimal performance of your HMD410/125 main drain:

1. Conduct regular inspections for any debris accumulation or damage
2. Clean gently with appropriate pool cleaning tools and solutions
3. Check for proper water flow periodically, especially given the ultra-high-capacity nature of this drain
4. Ensure the drain cover is securely in place at all times
5. Schedule professional inspections of the entire drainage system annually

Proper maintenance of your HMD410/125 not only extends its lifespan but also ensures the safety and efficiency of your pool’s high-capacity circulation system.

Ideal Applications

The HMD410/125 is perfect for:

• Large commercial pools or aquatic facilities with demanding circulation needs
• Olympic-sized swimming pools
• Water parks and large resort pools
• Renovation of large-scale pools to significantly improve water quality and circulation
• Pools with 125mm plumbing systems requiring an ultra-high-capacity main drain

The HMD410/125 main drain represents a crucial component in large-scale and commercial pool circulation and safety systems. Its design balances the need for ultra-high-volume water flow with the paramount concern of swimmer safety. By choosing this main drain, you’re investing in a product that meets stringent safety standards while providing the performance needed for crystal-clear, well-circulated water in the most demanding pool environments.

Remember, proper installation by a qualified professional is key to ensuring the safety and effectiveness of your main drain system, especially for ultra-high-capacity units like the HMD410/125. Always consult with a certified pool technician or engineer when planning your pool’s drainage system, particularly when dealing with the specific requirements of large-scale pools and ultra-high-volume water circulation.