Ceramic heating element for GHD hair straightener MK 4.0B 4.1B 4.2B 4.3B 5.0

Hidden beneath the heating surface of the hair straightener, the heating element is the component that converts electrical energy into the heat required for styling. The GHD electrical resistance, code SIRHEAT5-1, designed for the MK 4.0B, 4.1B, 4.2B, 4.3B, 5.0 series, has a nominal resistance of 70 Ω and is made of ceramic. The ceramic heater generates the heat that is distributed across the surface used to straighten hair. Compatible with the models listed at the end of the description.

Details and technical specifications
- GHD adaptable spare part
- MPN (Manufacturer Part Number): SIRHEAT5-1
- Country of manufacture: Made in the United Kingdom
- Material: ceramic
- Color: white
- Compatible series (check the models under compatibility): MK 4.0B, 4.1B, 4.2B, 4.3B, 5.0
- Thermal paste: Recommended
- Type of resistance: Ceramic heating element
- Integrated sensor: No - without integrated thermistor
- Connection type: Cables with terminals

Product dimensions and measurements manually checked by the PG Service team
- Round 4.2mm spade terminals
- Cable length 4cm / 40mm
- Plate length 69.3mm
- Plate width 14.7mm
- Thickness 1.3mm

ATTENTION
This resistance is NOT suitable for the Mini Stylers (MS) and Wide Stylers (SS) series.

General operation
The resistance in a hair straightener is used to heat the metal or ceramic plate that comes into indirect contact with the hair. The heating element is powered and regulated by the appliance's electronics, while sensors and safety systems monitor the temperature. A heater with a value of 70 Ω should only be used when this value, along with the dimensions and connections, matches that specified for the model: choosing a spare part based solely on its shape can lead to incorrect heating.

Symptoms, problems you can solve by replacing the resistance
Does one of the two plates remain cold while the other heats up normally? A broken heating element or a disconnected terminal are among the most likely causes when the fault affects only one plate.
Does one plate take much longer than the other to heat up or remain less hot? Check the heater's value, the thermal contact with the plate, and the corresponding sensor, as not all temperature problems are directly caused by the resistance.
Is the heating intermittent, and does the plate alternate between hot and cold during use? A damaged connection, a loose terminal, or a crack in the element can cause interruptions as the temperature changes. Also check the PCB and sensor before replacing the component.
Does the straightener display an error, issue warnings, or cut off the heating before reaching the correct temperature? A temperature anomaly does not automatically identify the heater as faulty: the detection system and control board can produce very similar symptoms. An electrical measurement of the component prevents unnecessary replacements.

Care and maintenance of the spare part
The internal heating element does not require periodic cleaning by the user. To preserve the hair straightener, it is best to regularly remove residue from the styling plates without spraying detergents directly into the appliance's openings. Water, sprays, and cosmetic products must not reach the heating resistance, terminals, or temperature sensor. If the ceramic is broken or a terminal cannot be safely restored, it is preferable to replace the element.

Installation instructions
- The procedure requires opening the straightener and accessing electrical components, so it is recommended for a technician. Unplug the device and wait for it to cool down completely before disassembly.
- Before removing the old heater, photograph the connections and electrically test the original component. The spare part must correspond to 70 Ω, x x and configuration No - without integrated thermistor.
- Carefully remove the old resistance, avoiding bending the metal support or damaging the thermistor. Clean up any residue from the previous thermal interface without scratching the surfaces.
- For the new element, the use of thermal paste is Recommended. Apply it evenly according to the intended procedure and position the heater without creating uneven thicknesses or pressure points.
- Connect the terminals, following the original cable routing and preventing them from being crushed during reassembly.
- After fully closing the device, perform an electrical and thermal test to ensure that both plates heat up normally and that the regulation operates correctly.

PG Service experts recommend
- Before replacing a ceramic resistance, measure the value of the original element with a multimeter and compare it with the value specified for the spare part. For this component, the nominal value is 70 Ω: do not choose a resistance simply because it has similar dimensions. During installation, do not bend or twist the ceramic, as small microcracks can turn into interruptions during subsequent thermal cycles. The use of thermal paste is Recommended to promote uniform contact with the heating support. The most common causes of failure are broken terminals, cracks in the element, repeated heating cycles, and thermal regulation problems. To extend the life of the heating element, always heat the straightener with the terminals open and never with the block inserted, as the plates could overheat quickly, damaging the internal components.

Is this not what you are looking for?
In addition to the electrical resistance spare part, we have hundreds of original GHD accessories and spare parts available in our shop. If you cannot find what you need by browsing on your own, you can contact us at any time, and we will respond very quickly, even on holidays and weekends. And if an item is not available, we will do everything we can to find it and order it exclusively for you. We offer much more than GHD hair straightener spare parts!

Compatibility (is it right for my product?)
This heating element is tested for use on the following GHD hair straightener models. Always check the identification label on your appliance to ensure that the spare part is compatible with your model. If in doubt, contact us:

MK4.0B
MK4.1B
MK4.2B
MK4.3B
MK5.0