The Immagina Products
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Frequently Asked Questions
What is the specific heat output difference between single and double panel vertical anthracite radiators?
A double panel radiator produces more heat than a single panel of the same size because it has two layers of heating tubes instead of one, doubling the surface area. Double panels are ideal for large rooms, while single panels suit smaller spaces like hallways or ensuites.
How do I accurately calculate the required BTU for my room to ensure it stays warm?
Use a BTU Calculator considering room dimensions (height, width, length), window type, and wall insulation. BTU is the standard measure of heat energy. Always choose a radiator with a BTU rating that meets or slightly exceeds your calculated number.
Can I install a vertical radiator on a plasterboard or stud wall safely?
Yes, if you use the correct fixings. Locate the wooden studs behind the plasterboard and screw the brackets directly into them. If studs do not align, use heavy-duty toggle bolts or reinforce with a wooden batten.
What are pipe centers and why are they important for installation?
Pipe centers are the distance between the two water inlet pipes. Accurate measurement is critical before plumbing installation; incorrect spacing prevents valve fitting.
Do I need angled, straight, or corner valves for my vertical anthracite radiator?
Valve type depends on pipe orientation. Floor pipes require Straight Valves; wall pipes require Angled or Corner Valves. Corner valves provide a neater finish.
Why is mild steel the preferred material for these designer radiators?
Mild steel conducts heat efficiently, heats up quickly, and is durable. The anthracite powder coating adheres perfectly to steel, preventing rust and ensuring long-lasting aesthetics.
How does the anthracite powder coating finish protect the radiator from rust?
The powder coating is applied electrostatically and heat-cured, forming a hard protective skin. It prevents moisture from reaching the steel, avoiding corrosion and rust.
What is the Delta T50 standard and why does it matter for heat output?
Delta T50 is the UK standard for testing radiator heat output, assuming 75
Can I swap my old horizontal radiator for a new vertical one without moving pipes?
Unlikely. Horizontal radiators are wide, vertical ones are narrow. Pipework usually needs adjustment, which is a standard job for a qualified plumber.
How do I bleed a vertical radiator to remove trapped air?
Turn off heating, locate the bleed valve at the top, turn slightly anti-clockwise with a radiator key. Hissing indicates air release. Close valve when water drips out to restore full heat output.
Why is my vertical radiator hot at the top but cold at the bottom?
This usually indicates sludge or debris inside the system blocking water flow. A radiator flush or full system Power Flush may be required.
Are these radiators compatible with all UK central heating systems?
Yes, compatible with standard gas central heating, combi boilers, and heat pumps. No special adapters required.
Does the dark anthracite color affect the heat emission compared to white?
Dark colors emit heat slightly better than bright white or chrome, though the difference is minimal. Anthracite radiators are more efficient than chrome-plated models.
What is the projection distance and why should I check it?
Projection is how far the radiator extends from the wall including brackets. Important for narrow hallways or behind doors to avoid obstruction. Slimline models minimize protrusion.
Can I use a vertical radiator with an electric heating element?
Yes, with a Dual Fuel or fully Electric conversion by inserting a heating element into a bottom inlet and filling with water + inhibitor.
How do thermostatic radiator valves TRVs work with vertical models?
TRVs detect room air temperature and adjust water flow automatically, saving energy by preventing overheating of individual rooms.
Do I need to add a rust inhibitor to my heating system after installation?
Yes, after refilling the system, add a chemical inhibitor to protect steel from rust and sludge formation.
What is the maximum operating pressure for these radiators?
Tested up to 10 bar; standard UK home systems operate at 1.5
How do I clean the back of a vertical radiator where dust collects?
Use a long, thin radiator brush to reach between bars and along the wall brackets. Regular cleaning ensures efficient heat circulation.
Why do vertical radiators have baffles inside the tubes?
Baffles guide water flow from bottom to top, ensuring even heating across the entire radiator surface. Never remove internal baffles.