Oversized Classic 3 Tube Cast Iron Radiator 30"
Oversized Classic 3 Tube Cast Iron Radiator 30"
$1,700.00
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Slim, Elegant, and Built for Bigger Spaces
The Oversized 3 Tube Classic Cast Iron Radiator at 30 inches tall offers a perfect blend of refined heritage styling and extended performance—ideal for larger rooms, open-plan living spaces, and long walls that require both warmth and classic character. With its tall, slim profile and timeless three-tube design, it delivers strong heat output while maintaining a sleek, traditional appearance.
Choose from a wide range of colours, finishes, and polish options—or contact us directly for bespoke sizing or colour matching to suit your space.
To allow for safe delivery and easy installation, oversized radiators are supplied in two or more sections and come complete with joining threads, gaskets, a radiator assembly tool, and full instructions for on-site reassembly. Pressure-tested to 8 bar, compliant with BS EN442 standards, and backed by a 25-year guarantee, this radiator offers dependable heating and enduring style on a grander scale.
Call (212) 814 6888 to customise or order your oversized 3 tube 30 inch radiator today.
Product specifications
| Steam BTU output per section | |
|---|---|
| BTU output (Delta 50) per section (Regular gas Boiler) | |
| BTU output (Delta 30) per section (Heat pump) | |
| EDR sq ft (Equivalent Direct Radiation) | |
| Volume (gal) | |
| Weight (lb) | |
| Section Length (in) | |
| Height (in) |
Finishes and Lead Times
By default all of our cast iron radiators come in factory primer. Our lead times do vary throughout the year and depending upon the product finish chosen.
Painted Cast Iron Radiators
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We are able to paint radiators in any RAL colour, please contact us on 212 814 6888 to discuss your requirements.
Metallic Cast Iron Radiators
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Metallic polished radiators are priced based on size with larger radiators costing slightly more.
Powder Coated Cast Iron Radiators
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Powder coated radiators are priced based on size with larger radiators costing slightly more.
Hand Polished Cast Iron Radiators

Hand polishing cast iron radiators is a very time consuming process. Each section is individually polished with a series of bespoke polishing wheels.
We only polish the visible areas - the front, the top and on the end sections but not on the back which would be placed against the wall.
Branded Paint for Cast Iron Radiators
We are able to paint your cast iron radiators in any Farrow and Ball, Sanderson, Little Greene, Fired Earth or any other branded paint.
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| We also Stock the complete range of Farrow and Ball Colours | We also have access to the beautiful Heritage range of paints from Little Greene. |
Other paint colours are available and other RAL powder coat colours finished can be ordered.
If the colour you require is not above, please call us on 212 814 6888
Oversized Radiators
Our cast iron radiators are normally delivered via third-party pallet networks, using standard-sized pallets. For radiators that exceed these dimensions, we supply them in pre-assembled blocks along with the necessary assembly tools and clear, easy-to-follow instructions to ensure straightforward on-site assembly.
Full Specification Table
| Product Code | Columns | Steam BTUs | BTUs (ΔT=50) REGULAR BOILER |
BTUs (ΔT=30) HEAT PUMPS |
EDR (sq.ft) | Radiator Length (in) | Radiator Weight (lb) | Primer | Painted | Powder Coated | Metallic |
|---|---|---|---|---|---|---|---|---|---|---|---|
| NC3-750-21 | 21 | 9702 | 6300 | 3213 | 40.53 | 50.56 | 239 | $1760 | $2180 | $2369 | $2495 |
| NC3-750-22 | 22 | 10164 | 6600 | 3366 | 42.46 | 52.92 | 251 | $1820 | $2260 | $2458 | $2590 |
| NC3-750-23 | 23 | 10626 | 6900 | 3519 | 44.39 | 55.28 | 262 | $1880 | $2340 | $2547 | $2685 |
| NC3-750-24 | 24 | 11088 | 7200 | 3672 | 46.32 | 57.64 | 274 | $1940 | $2420 | $2636 | $2780 |
| NC3-750-25 | 25 | 11550 | 7500 | 3825 | 48.25 | 60.0 | 285 | $2000 | $2500 | $2725 | $2875 |
| NC3-750-26 | 26 | 12012 | 7800 | 3978 | 50.18 | 62.36 | 296 | $2060 | $2580 | $2814 | $2970 |
| NC3-750-27 | 27 | 12474 | 8100 | 4131 | 52.11 | 64.72 | 308 | $2120 | $2660 | $2903 | $3065 |
| NC3-750-28 | 28 | 12936 | 8400 | 4284 | 54.04 | 67.08 | 319 | $2180 | $2740 | $2992 | $3160 |
| NC3-750-29 | 29 | 13398 | 8700 | 4437 | 55.97 | 69.44 | 331 | $2240 | $2820 | $3081 | $3255 |
| NC3-750-30 | 30 | 13860 | 9000 | 4590 | 57.9 | 71.8 | 342 | $2300 | $2900 | $3170 | $3350 |
| NC3-750-31 | 31 | 14322 | 9300 | 4743 | 59.83 | 74.16 | 353 | $2360 | $2980 | $3259 | $3445 |
| NC3-750-32 | 32 | 14784 | 9600 | 4896 | 61.76 | 76.52 | 365 | $2420 | $3060 | $3348 | $3540 |
| NC3-750-33 | 33 | 15246 | 9900 | 5049 | 63.69 | 78.88 | 376 | $2480 | $3140 | $3437 | $3635 |
| NC3-750-34 | 34 | 15708 | 10200 | 5202 | 65.62 | 81.24 | 388 | $2540 | $3220 | $3526 | $3730 |
| NC3-750-35 | 35 | 16170 | 10500 | 5355 | 67.55 | 83.6 | 399 | $2600 | $3300 | $3615 | $3825 |
| NC3-750-36 | 36 | 16632 | 10800 | 5508 | 69.48 | 85.96 | 410 | $2660 | $3380 | $3704 | $3920 |
| NC3-750-37 | 37 | 17094 | 11100 | 5661 | 71.41 | 88.32 | 422 | $2720 | $3460 | $3793 | $4015 |
| NC3-750-38 | 38 | 17556 | 11400 | 5814 | 73.34 | 90.68 | 433 | $2780 | $3540 | $3882 | $4110 |
| NC3-750-39 | 39 | 18018 | 11700 | 5967 | 75.27 | 93.04 | 445 | $2840 | $3620 | $3971 | $4205 |
| NC3-750-40 | 40 | 18480 | 12000 | 6120 | 77.2 | 95.4 | 456 | $2900 | $3700 | $4060 | $4300 |
























