The Oval Single - Stocked (White Only) Products
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Frequently Asked Questions
Does the mild steel construction of the Oval Single range require a specific pH level for the central heating water to prevent pinhole corrosion?
Yes, mild steel is ferrous and susceptible to oxidation if the system water is acidic or aerated. Technically, you must maintain the system water pH between 6.5 and 8.5 and introduce a high-quality corrosion inhibitor (like Fernox F1 or Sentinel X100). Failure to balance the pH or under-dosing the inhibitor can lead to the formation of magnetite sludge (black iron oxide) in the bottom of the wide oval tubes, which will reduce efficiency and eventually cause pinhole leaks.
Can the horizontal Oval Single radiators be technically mounted vertically if the pipework is adjusted?
No, you cannot mount a designated horizontal radiator vertically. The internal baffle arrangements (diverters) inside the horizontal headers are technically welded to force water to flow across the length of the radiator. If you mount it vertically, the water will fall straight to the bottom without circulating through the oval tubes, resulting in a radiator that is hot at the inlet/outlet but cold everywhere else. You must purchase a designated vertical model for vertical installation.
How do I calculate the correct pipe center dimension for the Oval Single radiator before the unit arrives?
For the Oval Single Horizontal range, the pipe connections are located on the bottom sides (Bottom Opposite Ends). Technically, you calculate the pipe centers by taking the radiator width (e.g., 1220mm) and adding the valve allowance. Standard radiator valves add approximately 45mm per side. Therefore, your rough-in pipe centers should be the Radiator Width + 90mm. Ideally, wait for the radiator to arrive to measure the exact thread-to-thread distance due to slight manufacturing tolerances in steel welding.
Is the Oval Single Stocked radiator suitable for low-temperature heating systems (Heat Pumps) given its single row of tubes?
While the radiator will function, a single row of tubes has a lower total surface area than a double or triple panel. If you are using a heat pump with a flow temperature of 45
What is the advantage of the powder-coated white finish on the Oval Single range regarding thermal emissivity compared to chrome plating?
The "Stocked White" finish is an epoxy-polyester powder coat. Technically, white powder coating has a much higher emissivity rating (approx 0.9) compared to chrome plating (approx 0.1). This means the white Oval Single radiator will emit nearly 20-30% more heat output than an identical radiator finished in chrome. The powder coat also provides a flexible, durable skin that resists chipping during thermal expansion and contraction cycles better than rigid electroplating.
How should the Oval Single radiator be cleaned to ensure the convection channels between the tubes remain efficient?
The oval tubes are spaced to allow air to rise between them. Dust accumulation in these gaps acts as an insulator. Unlike complex 4-column radiators, the single row design is technically easier to maintain. You should use a "radiator brush" or a vacuum with a crevice tool to clean between the oval tubes from the top and bottom. Do not remove the top grille (if present, though this model is usually open) as it is often integral. Regular cleaning ensures the convective airflow remains turbulent and effective.
Does the heavy wet weight of the Oval Single Horizontal radiator require chemical resin anchors for installation on dot-and-dab walls?
Yes, the Oval Single radiator, especially in larger sizes like 600x1520mm, holds a significant volume of water. On "dot-and-dab" (plasterboard over block) walls, standard plugs can crush the plasterboard gap under the shear load. You should technically use "Rigifix" or equivalent core-fix anchors that bridge the gap and anchor into the solid masonry behind, preventing the heavy radiator from levering the plasterboard away from the wall.