Victoriana 4 - 760mm Products
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Frequently Asked Questions
How do I technically manage the floor load requirements for a 40 section Victoriana 4 760mm high radiator which weighs over 230kg before filling with water?
A 40 section model weighs 232kg empty and holds approximately 60 to 70 liters of water bringing the total operating weight to nearly 300kg. This load is concentrated on two small footprint feet. You must technically verify that your floor joists can support a static point load of this magnitude. If installing on a suspended timber floor you must lift the floorboards and install substantial noggins or a spreader plate between the joists to distribute the weight across multiple structural beams otherwise the legs may punch through the floorboards or cause permanent joist deflection.
Why is the 143mm depth of the Victoriana 4 column radiator critical when calculating the rough in dimensions for pipework coming through the floor?
The 143mm depth means the center of the radiator tapping bush is located at 71.5mm from the back of the radiator. If you allow for a standard 25mm skirting board gap the pipe centers must be roughed in at roughly 100mm to 110mm from the finished wall. If you use standard pipe measurements of 70mm meant for panel radiators the copper tails will be under severe tension leaning outwards to meet the valve. This misalignment causes stress on the valve union and creates a high risk of weeping leaks at the nut thread.
Does the massive thermal mass of the Victoriana 4 760mm high radiator require a different balancing strategy compared to standard steel radiators on the same circuit?
Yes the Victoriana 4 has a huge thermal capacity meaning it acts as a heat sink absorbing significant energy before it starts radiating into the room. If mixed with fast response steel radiators the boiler may cycle off before this cast iron giant is fully up to temperature. You must technically throttle down the lockshield valves on the steel radiators significantly to force flow into the cast iron unit and potentially set your pump to a higher constant pressure setting to ensure the high volume of water required moves through the 4 column waterways effectively.
What are the specific delivery and handling logistics I must plan for when ordering a radiator that exceeds 1.5 meters in length in this heavy 4 column range?
Due to the extreme weight Paladin typically ships radiators over 1.2 meters or 100kg in joining blocks rather than as one piece to prevent transit damage and allow for manual handling. You must technically serve as the assembler on site. This involves using a joining key and fresh gaskets to connect the blocks. You cannot simply lift a 20 section 760mm high Victoriana 4 into place fully assembled with two people you will need mechanical lifting aids or a team of four to move it safely without risking back injury or floor damage.
How does the 4 column depth affect the accuracy of a thermostatic radiator valve TRV head mounted vertically on the Victoriana 4 760mm radiator?
The 143mm deep 4 column structure generates a thick plume of hot rising air that surrounds the valve body more intensely than on a slim radiator. If the TRV head is mounted vertically it sits directly in this heat plume causing it to shut off prematurely before the room reaches temperature. You should technically install the TRV with the head mounted horizontally pointing into the room or use a valve with a remote sensor capillary to ensure it measures the ambient room air temperature rather than the radiated heat from the iron.
What is the technical solution for cleaning the internal waterways of the Victoriana 4 radiator if sludge accumulates in the center columns?
The 4 column design has a low flow velocity in the center columns which promotes sludge settlement. If the center of the radiator feels cold while the ends are hot this indicates a blockage. Standard flushing may not clear this due to the width. You must technically perform a power flush with a specialized agitator (like a rubber mallet gently tapping the sections) or remove the radiator and reverse flush it with a mains pressure hose to dislodge the magnetite sludge from the bottom of the internal gallery.
Can I technically use the Victoriana 4 760mm high radiator on a low temperature heat pump system effectively given its high surface area?
Absolutely this is one of the best technical applications for this model. The 4 column depth and 760mm height provide a massive surface area relative to wall length. At a flow temperature of 45 degrees (Delta T 20) this radiator still outputs significant heat compared to a panel radiator. However you must calculate the output using a correction factor of approximately 0.3 to 0.4 of the Delta T 50 rating meaning a 2000 watt radiator will provide around 600 to 800 watts which is often sufficient for steady state low temperature heating.
How much expansion vessel capacity do I need to add to my pressurized system for every 10 sections of Victoriana 4 760mm high radiator added?
A single section of Victoriana 4 760mm holds approximately 2.5 to 3 liters of water. 10 sections equal roughly 25 to 30 liters. Water expands by about 4% when heated. Therefore for every 10 sections you add roughly 1.2 liters of expansion volume is required. If you install a 40 section unit you are adding 120 liters of water requiring at least 5 to 6 liters of additional expansion vessel capacity. You must upgrade your boiler's internal vessel or add an external vessel to prevent the pressure relief valve from discharging.
What is the correct protocol for painting the deep internal columns of the Victoriana 4 radiator to ensure full coverage without runs?
You cannot reach the inner faces of columns 2 and 3 with a standard brush. You must technically use a radiator paint roller with a long reach handle or a spray system. If spraying you must apply multiple thin coats rather than one heavy coat. The deep recess of 143mm traps solvent fumes so you must ensure vigorous ventilation to allow the paint to cure properly in the center. Failure to do this will result in the inner paint remaining tacky and smelling when the heating is turned on.
Why is the placement of wall stays technically mandatory for the Victoriana 4 760mm model despite its wide stable base?
Although the 143mm depth makes it stable the 760mm height raises the center of gravity. If the radiator is installed on a carpeted floor the carpet grip can act as a pivot point. If a child climbs on it or a heavy object hits it the 300kg mass can topple. You must technically anchor it to the wall using a heavy duty wall stay clamped between the rear columns. The stay must be screwed into a masonry plug or a timber stud not just plasterboard to withstand the shear force of the falling weight.