Oversized Sovereign 6 Tube Cast Iron Radiators 20"
Oversized Sovereign 6 Tube Cast Iron Radiators 20"
$1,800.00
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Compact Height, Extended Power
The Oversized Sovereign 6 Tube 20" Cast Iron Radiator combines compact height with extended length for powerful heat output across wide spaces. Perfect for under-window installations, long walls, or larger rooms where vertical space is limited, this radiator delivers strong performance with a bold, traditional look inspired by late Victorian design.
Faithfully cast in Europe from original patterns and hand-assembled in our workshop, every Sovereign radiator is crafted with precision and care. Oversized versions are supplied in multiple sections for safe delivery and include all necessary joining tools and instructions for straightforward on-site reassembly.
Available in a wide choice of finishes—including painted, metallic, and hand-polished styles—this radiator can be tailored to complement both period and contemporary interiors. Pressure tested to 8 bar, compliant with EN442 standards, and backed by a 25-year guarantee, the Oversized Sovereign 20" offers powerful, long-lasting performance with classic cast iron character.
📞 Call 212 814 6888 to customize and order your Oversized Sovereign 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| S6C-510-21 | 21 | 10374 | 6741 | 3423 | 43.26 | 50.56 | 342 | $1865 | $2285 | $2306 | $2474 |
| S6C-510-22 | 22 | 10868 | 7062 | 3586 | 45.32 | 52.92 | 359 | $1930 | $2370 | $2392 | $2568 |
| S6C-510-23 | 23 | 11362 | 7383 | 3749 | 47.38 | 55.28 | 375 | $1995 | $2455 | $2478 | $2662 |
| S6C-510-24 | 24 | 11856 | 7704 | 3912 | 49.44 | 57.64 | 391 | $2060 | $2540 | $2564 | $2756 |
| S6C-510-25 | 25 | 12350 | 8025 | 4075 | 51.5 | 60.0 | 408 | $2125 | $2625 | $2650 | $2850 |
| S6C-510-26 | 26 | 12844 | 8346 | 4238 | 53.56 | 62.36 | 424 | $2190 | $2710 | $2736 | $2944 |
| S6C-510-27 | 27 | 13338 | 8667 | 4401 | 55.62 | 64.72 | 440 | $2255 | $2795 | $2822 | $3038 |
| S6C-510-28 | 28 | 13832 | 8988 | 4564 | 57.68 | 67.08 | 456 | $2320 | $2880 | $2908 | $3132 |
| S6C-510-29 | 29 | 14326 | 9309 | 4727 | 59.74 | 69.44 | 473 | $2385 | $2965 | $2994 | $3226 |
| S6C-510-30 | 30 | 14820 | 9630 | 4890 | 61.8 | 71.8 | 489 | $2450 | $3050 | $3080 | $3320 |
| S6C-510-31 | 31 | 15314 | 9951 | 5053 | 63.86 | 74.16 | 505 | $2515 | $3135 | $3166 | $3414 |
| S6C-510-32 | 32 | 15808 | 10272 | 5216 | 65.92 | 76.52 | 522 | $2580 | $3220 | $3252 | $3508 |
| S6C-510-33 | 33 | 16302 | 10593 | 5379 | 67.98 | 78.88 | 538 | $2645 | $3305 | $3338 | $3602 |
| S6C-510-34 | 34 | 16796 | 10914 | 5542 | 70.04 | 81.24 | 554 | $2710 | $3390 | $3424 | $3696 |
| S6C-510-35 | 35 | 17290 | 11235 | 5705 | 72.1 | 83.6 | 571 | $2775 | $3475 | $3510 | $3790 |
| S6C-510-36 | 36 | 17784 | 11556 | 5868 | 74.16 | 85.96 | 587 | $2840 | $3560 | $3596 | $3884 |
| S6C-510-37 | 37 | 18278 | 11877 | 6031 | 76.22 | 88.32 | 603 | $2905 | $3645 | $3682 | $3978 |
| S6C-510-38 | 38 | 18772 | 12198 | 6194 | 78.28 | 90.68 | 619 | $2970 | $3730 | $3768 | $4072 |
| S6C-510-39 | 39 | 19266 | 12519 | 6357 | 80.34 | 93.04 | 636 | $3035 | $3815 | $3854 | $4166 |
| S6C-510-40 | 40 | 19760 | 12840 | 6520 | 82.4 | 95.4 | 652 | $3100 | $3900 | $3940 | $4260 |