POOL WATER FEATURE LETTERBOX STYLE STAINLESS STEEL (450mm)

The 450mm BR Letterbox Style Stainless Steel Pool Water Feature is designed to create a controlled linear sheet of falling water for swimming pools, ponds and architectural water feature installations.

At 450mm wide, this model offers more horizontal presence than the compact 300mm version while remaining smaller and easier to incorporate into tighter wall sections than the 600mm and larger options.

The feature is manufactured from Grade 316 stainless steel, providing strong corrosion resistance in outdoor and swimming pool environments when correctly installed and maintained.

Its approximately 200mm body depth provides useful reach where the unit must pass through thicker wall structures, cladding or suitable decking installations.

Key Features and Benefits

• 450mm wide Letterbox Style pool water feature
• Grade 316 stainless steel construction
• Approximately 200mm body depth
• Straight sheet water curtain effect
• Balanced mid-size option within the range
• Strong corrosion resistance for swimming pool environments
• Suitable for thicker wall and cladding installations
• Suitable for residential swimming pools
• Suitable for decorative ponds
• Suitable for architectural landscape water features
• Can operate from a suitable pool circulation system
• Can operate from a dedicated water feature pump
• Suitable for new swimming pool construction
• Suitable for pool renovations

Design and Water Effect

450mm Wide Water Curtain

The 450mm outlet is designed to produce a straight sheet of water that projects outward before falling into the pool, pond or collection area below.

The Letterbox Style creates a linear water effect rather than a circular canopy.

The final appearance of the water curtain depends on:

• available pump flow
• pump performance
• plumbing length
• pipe diameter
• fittings and restrictions
• control valve position
• installation height
• outlet alignment
• wind conditions

Correct water flow and commissioning are important for producing an even sheet across the full 450mm width.

Balanced Mid-Size Option

The 450mm model is particularly useful where a 300mm water feature may appear too small but a 600mm or larger outlet may be visually oversized for the available space.

It is well suited to:

• medium residential swimming pools
• compact feature walls
• raised pool walls
• modern pool renovations
• architectural pool surrounds
• installations requiring a noticeable but not oversized water curtain

Approximately 200mm Body Depth

The approximately 200mm front-to-back body depth can assist with installations through:

• thicker pool walls
• stone cladding
• tile cladding
• decorative wall finishes
• solid masonry
• suitable deck structures

The final wall thickness and cladding depth should always be checked before installation.

Grade 316 Stainless Steel Construction

The BR Letterbox Pool Water Feature is manufactured from Grade 316 stainless steel.

Grade 316 stainless steel offers strong resistance to corrosion and is commonly used in environments where moisture and chlorides are present.

This makes it well suited to swimming pool and outdoor water feature applications.

Correct pool-water chemistry and routine stainless steel care remain important for long-term appearance.

Hydraulic Operation

The 450mm Letterbox Water Feature operates as part of a recirculating water system.

Water can be supplied from:

• a suitable swimming pool circulation pump
• a dedicated water feature pump

Using the existing pool pump may be possible where sufficient spare hydraulic capacity is available after filtration requirements and other connected equipment have been considered.

A separate pump may be preferred where independent operation or dedicated water feature control is required.

Real World Applications / Ideal For

The 450mm Letterbox Style Pool Water Feature is particularly suitable for:

• residential swimming pools
• medium feature walls
• raised pool walls
• contemporary pool renovations
• new swimming pool construction
• stone-clad feature walls
• tiled feature walls
• outdoor entertainment areas
• decorative ponds
• landscaped water features
• installations where a mid-width water curtain is preferred
• projects where the 300mm model may appear too small

Technical Specifications

Specification	Details
Product Type	Pool water feature
Style	Letterbox / curtain style
Brand	BR
Material	Grade 316 stainless steel
Width	450mm
Body Depth	Approximately 200mm front to back
Water Effect	Straight sheet / water curtain
Condition	New
Water Supply	Suitable pool circulation system or separate pump
Application	Swimming pools, ponds and compatible water feature installations

Available Sizes

The BR Letterbox Style Stainless Steel Water Feature range includes:

• 200mm
• 300mm
• 450mm
• 600mm
• 800mm
• 1000mm

The correct width should be selected according to available wall space, desired visual scale, required water effect and the hydraulic design of the installation.

Installation and Usage

Professional installation is recommended.

Before installation, confirm:

• available pump capacity
• plumbing configuration
• pipe sizing
• control valve requirements
• finished wall thickness
• cladding thickness
• installation height
• structural support
• required water-sheet projection
• access for future inspection and maintenance

OnlinePoolStore Sizing Guidance

Do not select a pump based only on the 450mm outlet width.

Pump requirements depend on the complete hydraulic installation, including:

• pipe diameter
• pipe length
• fittings
• installation height
• restrictions
• water-sheet projection
• other equipment sharing the same pump

Where the existing pool circulation pump will be used, sufficient spare hydraulic capacity should be confirmed first.

OnlinePoolStore Installation Note

The 450mm model provides a useful balance between compact and wider Letterbox Water Features.

Where the feature is being built into a wall, the approximately 200mm body depth should be taken into account before final cladding or wall finishing is completed.

A suitable control valve is recommended so the water flow can be adjusted during commissioning.

Flow Control

Flow control is important for obtaining an even and consistent water curtain.

A suitable valve allows the installer to adjust the water supply until the desired sheet thickness and projection are achieved.

The aim should be balanced water distribution rather than excessive flow.

Stainless Steel Care

Grade 316 stainless steel provides strong corrosion resistance, but routine maintenance remains important in swimming pool environments.

For best long-term appearance:

• maintain correct pool water chemistry
• avoid excessive chemical concentrations around the feature
• periodically rinse exposed stainless steel
• remove mineral and chemical deposits when required
• inspect the outlet for debris or obstructions
• prevent residue from accumulating inside the water distribution area

Frequently Asked Questions

What type of water effect does the 450mm Letterbox feature create?

It creates a straight sheet or curtain of falling water across the 450mm outlet.

Why choose the 450mm model?

The 450mm model provides a balanced mid-size option between the smaller 300mm and wider 600mm versions.

It is particularly suitable where a noticeable water curtain is required without using a larger section of the feature wall.

How deep is the 450mm Letterbox Water Feature?

The body depth is approximately 200mm from front to back.

Why is the body depth important?

The additional depth can assist where the feature needs to extend through thicker walls, stone or tile cladding, decorative finishes or suitable deck structures.

Can the 450mm Water Feature use my existing pool pump?

Possibly.

The existing pump must have sufficient spare flow after the filtration system and other connected equipment have been considered.

Can I use a separate water feature pump?

Yes.

A dedicated pump can be used where independent operation or more dedicated hydraulic control is required.

Does the 450mm model need more water than the 300mm model?

A wider outlet may require greater water delivery to maintain an even sheet across the full width.

However, exact pump requirements cannot be determined from outlet width alone.

Can the water curtain be adjusted?

Yes.

A suitable control valve allows the water flow to be adjusted during commissioning.

Is Grade 316 stainless steel suitable for swimming pool environments?

Yes.

Grade 316 stainless steel provides strong corrosion resistance and is commonly used in moisture-rich and swimming pool environments.

Correct pool chemistry and regular maintenance remain important.

Can it be installed through a stone or tiled wall?

Yes, where the wall construction, approximately 200mm body depth and plumbing layout are suitable.

The installation should ideally be planned before final cladding is completed.

Can it be installed under decking?

It may be suitable where the structure, plumbing route and available clearances allow.

Can multiple 450mm Letterbox features be installed together?

Yes, provided the hydraulic system is designed to supply sufficient and balanced water flow to each outlet.

Can it be used in a decorative pond?

Yes, where suitable recirculation, mounting and plumbing are available.

Is professional installation recommended?

Yes.

Correct mounting, plumbing, alignment and water-flow adjustment are important for obtaining an even water curtain.

Conclusion

The 450mm BR Letterbox Style Stainless Steel Pool Water Feature is a versatile mid-size architectural water feature designed to produce a clean, straight sheet of falling water.

Its Grade 316 stainless steel construction, 450mm outlet width and approximately 200mm body depth make it particularly suitable for residential pools, raised walls, decorative ponds and architectural water feature installations where a balanced medium-width water curtain is required.

Correct hydraulic design, suitable flow control and professional installation are important for achieving a smooth and consistent water effect.