Iris Vertical Towel Rails Products
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Frequently Asked Questions
How does the stainless steel construction of the Iris Vertical Rail technically improve performance compared to chrome plated alternatives?
The Iris is manufactured from high-quality stainless steel, which naturally emits radiant heat more efficiently than chrome-plated mild steel. Chrome plating acts as a thermal insulator, trapping a percentage of heat inside the metal bars. By using polished stainless steel, the Iris allows for direct thermal transfer to the air and towels, resulting in a higher BTU output for the same physical size. Additionally, stainless steel is non-porous and self-repairing (via an oxide layer), solving the common problem of rust and corrosion in high-humidity bathroom environments.
What are the precise pipe center measurements required for first-fix plumbing of the Iris Vertical Rail?
For accurate roughing-in of pipework before the radiator arrives, you need to calculate the pipe centers based on the rail width. The technical rule for the Iris Vertical is the Rail Width minus 32mm for the left-to-right centers. For example, if you choose the 500mm wide model, the pipe centers will be 468mm. The distance from the wall to the pipe center is fixed at 84mm. Installing pipes to these specific coordinates solves the issue of having to use offset connectors or straining the valves during final installation.
Can the Iris Vertical Towel Rail be converted to a dual fuel system for summer use?
Yes, the Iris Vertical is fully compatible with dual fuel conversion. To solve the problem of cold towels when your central heating boiler is turned off in summer, you can install a "T-Piece" on one of the bottom inlets. This allows you to insert an electric heating element into the vertical D-profile collector while keeping the central heating valves connected. You must ensure the element's wattage matches the rail's liquid capacity to prevent overheating, creating a flexible year-round heating solution.
How does the 22mm cross tube design of the Iris Vertical affect towel drying efficiency?
The Iris features 22mm round horizontal cross tubes arranged in graduated groups. This specific diameter is technically optimized to provide a robust surface area for heat contact without being too bulky. The spacing between the tube groups is designed to allow thick bath sheets to be slid onto the rail easily, solving the airflow problem often seen with rails that have tubes packed too closely together. This ensures warm air circulates through the fabric layers, drying towels faster and reducing the risk of damp smells.
What type of valves should I select to ensure the correct flow connection for the Iris Vertical?
The Iris Vertical uses standard 1/2 inch BSP connections located at the bottom of the vertical collectors. To solve flow direction issues, your valve choice depends on your pipework position. If your pipes come out of the wall, you require Angled Valves or Corner Valves to connect neatly without placing stress on the joints. If your pipes come up from the floor, Straight Valves are the technically correct choice. Using the wrong valve type can restrict water flow and cause "water hammer" noise in the system.
Is the polished finish of the Iris Vertical Towel Rail durable enough for wet room zones?
Yes, the polished finish on the Iris is not a coating but the stainless steel material itself buffed to a mirror-like shine. This makes it technically superior for wet rooms (Zone 1 or 2) because there is no plating to peel or flake off over time. The solid stainless steel composition solves the issue of "spider rust" or pitting that frequently attacks chrome rails in splash zones, ensuring the product maintains its aesthetic appeal even when exposed to direct water contact or high steam levels.
How do I determine if the BTU output of the Iris Vertical is sufficient to heat my bathroom?
You must verify the heat output against your room's requirements using a technical calculation. Measure your bathroom's Height, Width, and Length in meters and input these into the Budget Radiators BTU Calculator. Compare the result with the Iris's output (e.g., the 1200mm x 600mm model outputs approx 1266 BTUs at Delta T50). If your room needs more heat than the rail provides, the rail will only warm towels. To solve this, you would need to add a secondary heat source or choose a larger size.
What maintenance is required to keep the Iris Vertical Stainless Steel Rail looking new?
To maintain the 10-year guarantee and the polished shine, you must avoid using abrasive cleaners, steel wool, or chloride-based bleaches. These can technically disrupt the passive oxide layer of the stainless steel, leading to superficial staining. The correct solution is to clean the rail regularly with a soft microfiber cloth and warm soapy water or a dedicated stainless steel cleaner. This simple maintenance removes mineral deposits and condensation residue, preventing water spots and preserving the mirror finish.
Does the wall-to-face projection of the Iris Vertical rail fit behind standard bathroom doors?
The Iris Vertical has a total wall-to-face projection of 100mm. This technical dimension is relatively slim, making it suitable for installation behind many bathroom doors that open inwards, provided there is a door stop installed to prevent the handle from striking the rail. This solves the space-saving problem in compact bathrooms where wall space is at a premium, allowing you to utilize the "dead space" behind the door for towel storage and heating.
Does the Iris Vertical Towel Rail require a specific system inhibitor?
Yes, although the rail is made of stainless steel, it will likely be connected to a central heating system containing copper pipes, brass valves, and a steel boiler. This mixture of metals can technically lead to galvanic corrosion if the water chemistry is not balanced. To solve this, you must flush the system upon installation and add a high-quality chemical inhibitor (like Fernox or Sentinel). This protects the entire heating loop and ensures the 10-year manufacturer guarantee remains valid.