HMD252/90 | Main drain 250 x 250 with 90mm connections – 20m”/hr (0.3m/s)33m”/hr (0.5m/s)

Product Overview

As a retailer of hot tub and pool spare parts, I’m excited to present the HMD252/90, a high-performance main drain designed for efficient water circulation and safety in swimming pools. This 250 x 250 mm drain with 90mm connections is engineered to meet strict safety standards while providing optimal flow rates for your pool system.

Key Features

Safety-First Design

The HMD252/90 is designed with swimmer safety as the top priority:

1. Anti-Entrapment: Engineered to minimize the risk of suction entrapment.
2. Dual Drain Requirement: Complies with regulations requiring a minimum of two main drains installed at least 2 meters apart.

Efficient Water Circulation

This main drain offers two flow rate options to suit various pool sizes and pump systems:

1. 20m³/hr at 0.3m/s velocity
2. 33m³/hr at 0.5m/s velocity (maximum allowable velocity)

Large Surface Area

The 250 x 250 mm size provides a large surface area, which helps to:

1. Distribute suction over a wider area, enhancing safety
2. Improve overall water circulation in the pool

Professional-Grade Connections

Equipped with 90mm connections, the HMD252/90 is compatible with many standard pool plumbing systems, ensuring:

1. Easy integration with existing pool setups
2. Efficient water flow from the pool to the filtration system

Durable Construction

Made from high-quality, chemical-resistant materials, this main drain is built to withstand:

1. Constant water exposure
2. Pool chemicals
3. UV radiation

Installation and Compatibility

The HMD252/90 is designed for professional installation in in-ground swimming pools. Its standard size and 90mm connections make it suitable for both new pool constructions and renovations of existing pools, especially those with 90mm plumbing systems.

Why Choose the HMD252/90?

Opting for the HMD252/90 means investing in:

• Enhanced pool safety through anti-entrapment design
• Efficient water circulation for better pool hygiene
• Compliance with current safety regulations
• Durable and long-lasting pool component
• Versatility in flow rates to suit different pool systems
• Compatibility with 90mm plumbing systems

Specifications Table

Specification	Detail
Model Number	HMD252/90
Drain Size	250 x 250 mm
Connection Size	90 mm
Flow Rate (0.3m/s)	20m³/hr
Flow Rate (0.5m/s)	33m³/hr
Material	High-grade, chemical-resistant plastic
Compatibility	In-ground swimming pools
Primary Function	Main water drainage and circulation
Safety Feature	Anti-entrapment design

Safety and Regulatory Compliance

It’s crucial to note that regulations require a minimum of two main drains to be installed at least 2 meters apart. 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.

Maintenance Recommendations

To ensure the longevity and optimal performance of your HMD252/90 main drain:

1. Regularly inspect for any debris accumulation or damage
2. Clean gently with appropriate pool cleaning tools and solutions
3. Check for proper water flow periodically
4. Ensure the drain cover is securely in place at all times
5. Have a professional inspect the entire drainage system annually

Proper maintenance of your HMD252/90 not only extends its lifespan but also ensures the safety and efficiency of your pool’s circulation system.

Ideal Applications

The HMD252/90 is perfect for:

• New in-ground pool constructions with 90mm plumbing systems
• Pool renovations or upgrades where 90mm connections are preferred
• Replacing older, non-compliant main drains in systems with 90mm piping
• Medium to large residential or commercial pools requiring efficient water circulation

The HMD252/90 main drain is a crucial component in your pool’s circulation and safety system. Its design balances the need for efficient 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 pool water.

The 90mm connections make this model particularly suitable for pools with existing 90mm plumbing or for new installations where this pipe size is preferred. This specification ensures compatibility with a wide range of pool systems, making it a versatile choice for many pool configurations.

Remember, proper installation by a qualified professional is key to ensuring the safety and effectiveness of your main drain system. Always consult with a certified pool technician or engineer when planning your pool’s drainage system, especially when considering the specific requirements of 90mm plumbing connections