Diva Flat - Black Products
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Frequently Asked Questions
How does the thermal emissivity of the matte black finish improve heat output compared to chrome models?
The matte black powder coated finish has a significantly higher thermal emissivity rating than shiny chrome plating which means the Reina Diva Black radiates heat far more efficiently into the room typically providing around 20 to 30 percent more BTU output than a chrome rail of the exact same dimensions.
What specific components are required to convert this central heating towel rail into a dual fuel system?
To convert the Reina Diva Straight Black rail for dual fuel usage you must purchase a compatible dual fuel kit which includes an electric heating element that fits into one of the vertical collectors and a T piece connector that allows both the central heating valve and the electric element to be connected to the same inlet.
How do I calculate the accurate pipe centre distance for the Reina Diva Straight model before tiling?
You can determine the pipe centre measurement by taking the total width of the towel rail and subtracting approximately 44mm because the valve tappings are located on the underside of the vertical uprights rather than the sides so precise measurement is critical for ensuring your copper pipes align perfectly with the valves.
Why is a chemical inhibitor essential for maintaining the 10 year guarantee on mild steel black towel rails?
Mild steel is naturally prone to internal corrosion when in contact with oxygenated water and sludge so you must flush the system and add a high quality chemical inhibitor to the heating water upon installation to passivate the metal surface preventing pinhole leaks and ensuring the manufacturer warranty remains valid.
What are the precise wall projection measurements I need to plan for when installing the Reina Diva Straight Black rail?
The Reina Diva Straight rail has a slim depth of roughly 85mm to 100mm from the wall to the front face depending on the adjustment of the supplied wall brackets which makes it an excellent space saving solution for narrow bathrooms or for installation behind doors where clearance is limited.
How do I determine whether I need angled, straight, or corner valves for my Reina Diva installation?
The correct valve choice depends on your pipework orientation so if your pipes emerge from the floor you will need straight valves to connect vertically into the bottom of the rail whereas if your pipes come out of the wall you will need angled valves to create the necessary 90 degree turn into the bottom tappings.
Is the matte black powder coating resistant to the high humidity and condensation found in active bathrooms?
Yes, the matte black finish is a durable powder coating that is baked onto the mild steel surface to provide a robust barrier against moisture and corrosion making it suitable for high humidity environments provided the room is adequately ventilated and the rail is not subjected to abrasive cleaners.
What IP rating must the electric heating element have if I install this rail in bathroom Zone 1 or 2?
If you are installing the Reina Diva as an electric only or dual fuel unit in bathroom Zone 1 or 2 the electric heating element must have an IP rating of at least IP44 although IP55 is often recommended to ensure it is sufficiently protected against water spray and moisture ingress for safety compliance.
What is the correct procedure for bleeding air from the vertical collector bars to ensure even heat distribution?
To bleed the rail you must turn off the central heating pump to stop the flow and then use a radiator bleed key to open the air vent located at the top of the vertical collector bar until the hissing sound of escaping air stops and a steady stream of water flows out which ensures the top bars heat up fully.
Can I install the Reina Diva Straight Black rail on a plasterboard wall given its weight and water volume?
While the Reina Diva is made of mild steel and can be heavy when filled with water it is generally safe to install on plasterboard walls provided you fix the brackets directly into the timber studs behind the plasterboard or use specialist heavy duty hollow wall anchors to support the load safely.