Column Radiators Products
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Frequently Asked Questions
What actually is a radiator column?
It is a classic style of heater made of tubes (columns) lined up in a row. Unlike flat panels, radiator column designs have gaps that let air flow through, helping to warm your room evenly from floor to ceiling.
What are the specific differences between 2, 3, and 4 column radiator depths, and which one is best for my room?
The number refers to the depth of the radiator specifically, how many vertical tubes (columns) are in each section from front to back. A 2 column radiator is the slimmest option (approx 65mm deep), ideal for hallways or behind doors. A 3 column radiator (approx 101mm) is the standard choice for living areas, offering a perfect balance of heat and style. A 4 column radiator (approx 139mm) is much deeper and provides the highest BTU output, making it the "powerhouse" option for large rooms with high ceilings.
Do you sell a black column radiator?
Yes! A black column radiator is very trendy right now. It looks great in modern homes and hides dust better than white ones. It is perfect if you want that "industrial" look.
Why are your column radiators significantly cheaper than major high street brands or designer radiator showrooms?
We supply a cheap column radiator range by sourcing directly from Italian manufacturers and selling online. This removes the massive overhead costs of physical showrooms, printed brochures, and middlemen. This business model allows us to offer premium, 1.5mm thick mild steel radiators at a price point that makes them an affordable radiator choice for any budget, without compromising on the build quality or the comprehensive 10-year guarantee.
Do you have a white column radiator for a classic look?
Absolutely. A white column radiator is our most popular choice. It blends in perfectly with light walls and looks clean and tidy in any room, from the hallway to the bedroom.
Do you stock traditional column radiators?
Yes, our Cornel range are traditional column radiators. They look just like the old-fashioned heavy iron ones you see in castles, but they are made of steel so they heat up much faster.
Is it safe to install a heavy steel column radiator on a plasterboard or stud partition wall?
Steel column radiators are significantly heavier than aluminium or standard panel alternatives. If you are installing on a stud wall, you must locate the wooden beams/noggins to screw the brackets into securely. If this isn't possible, or for extra peace of mind, we strongly recommend using column radiators with feet. These floor supports take the weight of the radiator and transfer it to the floor, reducing the strain on your wall.
What does the "Delta T50" rating mean on your specifications, and why is it important for heat output?
Delta T50 (Δt50°C) is the UK industry standard for calculating radiator heat output. It represents the difference between the average water temperature inside the radiator and the desired room temperature. All our column radiators are rigorously tested to BS EN 442 standards at Delta T50. This ensures the heat output figures we state are accurate and reliable for standard gas boiler systems, preventing you from buying an undersized radiator.
What is the difference between horizontal and vertical column radiators?
Horizontal ones are wide and go under windows. Vertical column radiators are tall and skinny. They act like a chimney to shoot heat up high, which is perfect if you don't have much wall space.
Do you keep trendy finishes like textured Anthracite or satin Black column radiators in stock for immediate delivery?
Yes, we specialize in modern finishes and hold vast stock. Our range includes the trending Anthracite column radiators UK homeowners are currently looking for (featuring a premium textured dark grey), as well as satin Black column radiators. These finishes are powder-coated, meaning the colour is baked onto the steel at high temperatures for a durable, scratch-resistant finish that won't peel or fade like standard wet paint.
Why should I buy a 2 column radiator?
Think of a sandwich. 2 column radiators are like a thin sandwich. They are skinny and don't stick out far from the wall, making them perfect for narrow hallways where you don't want to trip.
Are your multi-column radiators compatible with modern air source or ground source heat pump systems?
Absolutely. Because heat pumps operate at lower water temperatures (typically Delta T30 or T40), you need radiators with a larger surface area to emit enough heat. The multi-column design (especially the 3 and 4 column models) provides this vast surface area naturally. This makes our range highly compatible with renewable heating systems, often removing the need to install physically massive fan-assisted units.
How does an electric column radiator work?
An electric column radiator (like our Hornby range) plugs straight into a wall socket. You don't need a plumber or a boiler. They are perfect for garden rooms or conservatories that don't have water pipes.
Are you better than Screwfix column radiators?
While Screwfix column radiators are good for a quick fix, we offer a huge 10-year warranty and specialist colors like Anthracite and Raw Metal that you can't always find in big hardware stores.
What is the total wall projection distance for a standard 3 column radiator once it is mounted?
A standard 3 column radiator has a depth of roughly 101mm. When mounted on our standard wall retaining brackets, the back of the radiator sits slightly off the wall to allow airflow. This results in a total projection of approximately 120mm-130mm into the room. This projection is important to consider if you are installing the radiator behind a door or in a narrow walkway.
Do darker radiator colours like Black or Anthracite actually emit more heat than white ones?
Technically speaking, darker matte surfaces do emit radiant heat slightly more efficiently than white or shiny surfaces. However, in a real-world domestic setting, the difference is negligible (often less than 1%). We always recommend choosing a Black column radiator or Anthracite finish based on your interior design preference and style goals rather than worrying about the tiny difference in heat efficiency.
What is the correct procedure for bleeding air out of a tall vertical column radiator?
Bleeding a tall column radiator is the same process as a standard one. Ensure the heating system is turned off and the radiator is cold. Locate the bleed valve at the top of the radiator. Open it slightly with a radiator key until the hissing sound stops and water begins to trickle out, then close it immediately. This removes trapped air pockets that cause cold spots at the top of the unit.
Do you deliver column radiators UK wide?
Yes, we ship column radiators UK wide! whether you are in London or Leeds. Just remember, these radiators are heavy, so our drivers deliver to your kerbside (outside your house).
Why are your column radiators manufactured from mild steel rather than aluminium or cast iron?
Our range is manufactured from 1.5mm thick mild steel. We choose steel because it offers the best of both worlds: it heats up faster than heavy cast iron (making it more responsive to thermostats) but holds onto heat longer than aluminium (providing better thermal mass). It offers the heavy, high-quality feel of a traditional radiator but with the modern performance needed for efficient homes.
Is it necessary to add a chemical rust inhibitor to the system when installing new steel column radiators?
Yes, this is crucial. Whenever you install a new radiator or refill your heating system, you must add a high-quality central heating inhibitor (like Fernox or Sentinel) to the water. This prevents internal corrosion and "sludge" build-up, protecting your boiler and ensuring your 10-year warranty remains valid. Failure to use an inhibitor can shorten the lifespan of any steel radiator.
What is the best method for cleaning dust from between the tubes of a multi-column radiator?
Dust can gather between the tubes of a multi-column radiator over time. We recommend using a specialist long, thin radiator brush (often called a goat-hair brush) to slide between the columns. Do not use abrasive chemical cleaners or scouring pads on the powder-coated finish, as this can damage the surface; a simple damp cloth is usually sufficient for the exterior.
What is the visual difference between the "Matt" and "Textured" Anthracite finishes in your range?
Our Anthracite column radiators typically feature a "textured" finish. This is a slightly rough, glittering surface that increases the surface area slightly and is excellent at hiding dust and fingerprints. "Matt" finishes are smooth and flat with no shine. We recommend checking the specific product description or asking our team if you need to match a specific paint colour or texture in your home.
Why is the bottom of my radiator cold?
This might be "sludge" (dirty mud inside the pipes). It sinks to the bottom and stops the hot water from getting there. You might need a plumber to flush it out.
What should I do if my column radiator arrives with packaging damage from the courier service?
We use specialist kerbside delivery services for heavy items to minimize handling risks. However, please inspect your radiator packaging immediately upon arrival. If you notice any damage to the box or the unit itself, please report it to us within 24 hours (with photos if possible) so we can arrange a replacement immediately. Do not book your plumber until you have confirmed the goods are in perfect condition.