The Misa Products
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Frequently Asked Questions
Why is the Misa Stainless Steel Towel Rail recommended for damp environments like wet rooms?
The Misa is manufactured from premium-grade Stainless Steel (typically 304 Grade), which offers superior corrosion resistance compared to standard mild steel rails. Mild steel relies on chrome plating to prevent rust, which can peel in high humidity. Stainless steel is resistant to oxidation all the way through the metal, solving the problem of rust spots appearing on the bottom bars. This ensures the Polished Finish remains pristine for the 10-Year Guarantee period, making it ideal for wet rooms.
How does the heat output of the Misa compare to a standard chrome rail?
The Misa offers excellent thermal efficiency because stainless steel conducts heat more effectively than chrome-plated mild steel. Chrome plating acts as an insulator, trapping heat inside. For example, the 1450 x 530mm model delivers a BTU Output of 1342 (393 Watts) at Delta T50 (?t50
Can the Misa Towel Rail be converted to Dual Fuel for summer use?
Yes, the Misa is suitable for Dual Fuel installation. This solves the problem of having cold towels in summer when your main central heating is off. To achieve this, you need a T-Piece and an electric heating element (typically 150W or 300W depending on the rail size) installed into one of the vertical inlets. This allows the rail to be heated electrically in summer while still being part of the central heating system in winter.
What are the precise Pipe Centres for the Misa 530mm wide model?
For the Misa range, the Pipe Centres are typically determined by the position of the vertical collectors. Since the rail width is 530mm and the connections are usually on the bottom of the uprights, the pipe centres are approximately 500mm (depending on the specific valve width allowance). However, you must allow for the radiator valves, which add approximately 80mm-90mm to the width. It is critical to have the physical unit and valves on-site before fixing pipework to avoid misalignment issues.
What is the Wall Projection of the Misa and will it fit behind a door?
The Misa has a very slim Wall Projection (depth) of just 67mm (plus the wall bracket clearance, which typically adds ~20-30mm). This makes the total projection roughly 90-100mm. This slim profile solves the problem of heating tight spaces, such as behind a bathroom door or in a narrow cloakroom, without obstructing the walkway or risking the door handle striking the rail.
Does the Misa require a specific type of Central Heating Inhibitor?
Yes. Although Stainless Steel is inert, your heating system likely contains mixed metals (copper, brass, aluminium boiler). To prevent galvanic corrosion elsewhere in the system, you must add a high-quality Central Heating Inhibitor (like Fernox F1 or Sentinel X100). This solves the problem of magnetite sludge build-up, which can circulate and block the horizontal bars of the Misa, ensuring the system remains balanced and efficient.
How do I bleed the air from the Misa to ensure even heating?
If the top bars of the Misa are cold while the bottom is hot, air is trapped inside. The rail is supplied with a discreet Air Vent (bleed valve) located at the top of one of the vertical uprights. To fix this, turn off your heating pump, wait 10 minutes for the water to settle, and use a radiator key to crack the air vent until water flows. Regular bleeding solves the problem of air pockets reducing the effective BTU Output.
Is the Misa suitable for use on an Open Domestic Hot Water system?
Yes. Unlike mild steel radiators which corrode instantly in fresh oxygenated water, the Stainless Steel construction of the Misa makes it technically suitable for open loop systems (where the towel rail is heated by the hot water tank flow rather than the boiler). This solves the problem for older homes where the towel rail is plumbed into the domestic hot water tap circuit rather than the closed central heating loop.
How do I choose the correct size Misa for my bathroom?
You must calculate the heat requirement of your room in BTUs. Measure the Height, Width, and Length of the bathroom. The Misa 720mm model provides 682 BTUs, while the 1450mm model provides 1342 BTUs. If your room requires 2000 BTUs, a single Misa rail will not heat the room alone; it will only warm towels. You must solve this by adding a second radiator or underfloor heating to avoid the problem of a damp, cold bathroom.
What maintenance is required to keep the Polished Finish looking new?
The Polished Finish on the Misa is natural stainless steel buffed to a mirror shine, not a plating. To maintain it, you should clean it with warm soapy water and a soft microfiber cloth. You must strictly avoid using bleach or abrasive scouring pads, as these will scratch the surface. If minor scratches do occur, they can technically be polished out using a specialized metal polish, solving the problem of surface wear that would ruin a chrome-plated rail.