Neo Georgian 4 505mm Products
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Frequently Asked Questions
which dimension should I use for drilling my pipe holes and checking window clearance?
You must use the 505mm dimension. The 475mm likely refers to the casting height without feet, but the radiator is supplied with integral feet that bring the total finished height to 505mm. For window clearance, allow at least 555mm total (505mm radiator + 50mm air gap). For pipe centers, the connection height from the floor is typically fixed relative to the 505mm total height, usually around 105mm-115mm depending on the valve axis.
Does the 222 BTU output per section of the 505mm model allow me to heat a room with a shorter radiator than if I used the 360mm version?
Yes. The 505mm model produces roughly 50% more heat per section than the 360mm version (222 BTU vs 147 BTU). This means you can use a significantly shorter radiator to achieve the same heat load. For example, to get 4000 BTUs, you would need 27 sections of the 360mm model (1.6m wide) but only 18 sections of the 505mm model (1.1m wide), saving half a meter of wall space.
With a depth of 144mm, is the Neo Georgian 4-Column 505mm radiator suitable for a hallway with a standard 1-meter width?
Yes, the 144mm depth is considered slim for a multi-column cast iron radiator. With the required wall gap, the total projection is approx 175mm. In a 1-meter wide hallway, this leaves over 800mm of clear passage, which complies with most building usability standards. It is much less intrusive than the 221mm deep 6-column version.
How does the weight of 4.2kg per section for the 505mm model compare to the larger 960mm version for installation?
The 505mm model is significantly lighter (4.2kg/section vs ~12kg/section for the 960mm). A 20-section radiator weighs roughly 84kg. Two people can comfortably lift and position this unit without mechanical aids. While you should still check floorboards, this weight is generally safe for standard suspended timber floors without the heavy-duty reinforcement required for the larger models.
What cleaning maintenance is required for the 4-column 505mm radiator compared to the 6-column versions?
The 4-column design has fewer internal "rows" of columns than the 6-column version. This makes it easier to clean. A standard feather duster or microfiber cloth can reach through the 144mm depth reasonably well. It does not suffer from the same "dead zone" in the center that the 221mm deep models do, making it a lower-maintenance choice for dusty environments.
Can I install the Neo Georgian 4-Column 505mm radiator on a mixed circuit with modern steel panel radiators?
Yes. The 505mm cast iron radiator has a slower heat-up time than steel panels but retains heat longer. To ensure comfort, you should fit a Thermostatic Radiator Valve (TRV) to the cast iron unit. This allows it to regulate its own temperature independently. You may also need to balance the lockshield valves on the steel radiators (closing them slightly) to ensure the cast iron radiator receives adequate flow during the initial warm-up phase.
Is the Neo Georgian 4-Column 505mm radiator compatible with electric heating elements?
Yes. The 505mm height and 144mm depth provide ample internal volume for a heating element. For a typical 10-section radiator (output ~650 Watts / 2220 BTU), you would need a 600 Watt or 800 Watt heating element. This makes it a popular choice for electric-only conversions in apartments where gas central heating is not available.
Does the 505mm height require a wall stay?
Even though 505mm is not very tall, the radiator is heavy (80kg+ for a medium size) and narrow (144mm). If a child were to stand on it or pull it, it could tip. Therefore, we strongly recommend installing at least one wall stay, clamped near the top of the radiator, to anchor it to the wall for safety.
What size valves should I use for a 40-section Neo Georgian 505mm radiator?
A 40-section radiator produces nearly 9,000 BTUs (2.6 kW). Standard 15mm (1/2") valves can handle this load, but to ensure the radiator heats up evenly across its entire 2.4-meter length, you must ensure the flow rate is high. Using full-bore 15mm valves or upgrading to 3/4" valves (if your pipework allows) can help reduce resistance and improve performance for such a long bank.