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MK Grid Plus Grid Switch - 20 Amp - Double Pole - Immersion Heater - White

MK Grid Plus Grid Switch - 20 Amp - Double Pole - Immersion Heater - White

The MK Grid Plus Grid Switch is a high-quality 20 Amp double pole switch designed specifically for...

Best current price£12.75from OnBuy.com

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Mk K4896ihwhi Grid Plus Grid Switch 20 Amp Dp Marked Immersion Heater 5017490403445

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5 offers from £12.75 - £14.70

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OnBuy.comMk K4896ihwhi Grid Plus Grid Switch 20 Amp Dp Marked Immersion Heater 5017490403445
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£12.75
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B&QB&Q - K4896Ihwhi Grid Plus Grid Switch 20 Amp Double Pole (White) Marked Immersion Heater
Free delivery in 1–3 days
£13.65
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eBayMK K4896IHWHI Grid Plus Grid Switch 20 amp Double Pole marked immersion heater
Free delivery in 1–3 days
£13.70
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AmazonMk White Electric Aspect 20 Amp 1 Way Dp Printed Switch Module For Immersion Heater
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£14.70
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Product Information

Full details

The MK Grid Plus 20 Amp Double Pole Switch is designed for homeowners and electricians seeking a robust, reliable solution for controlling high-load appliances like immersion heaters. This modular switch offers exceptional build quality and safety, ensuring long-term performance within your existing MK Grid Plus configuration, though it requires installation by a competent person to ensure all electrical safety standards are met.

All features

ColourWhite
Model Part NumberK4896IHWHI
BrandMK

Extended Product Information

FAQs

Can I use this switch for lighting?

While it functions as a switch, it is over-engineered for standard lighting and is specifically designed for high-load resistive heating appliances.

Is this switch suitable for outdoor use?

No, this is an indoor-rated component and requires a suitable IP-rated enclosure if used in damp or outdoor environments.

Does this switch include a neon indicator?

This specific model is a standard switch. MK does offer grid modules with neon indicators if visual status feedback is required.

Can I fit this into a different brand of grid plate?

No, the MK Grid Plus system uses proprietary dimensions and should only be used with compatible MK Grid Plus frames and front plates.

What is the maximum wire size this switch accepts?

The terminals are designed to accommodate standard wiring sizes for 20 Amp circuits, typically up to 2.5mm or 4.0mm twin and earth cable.

Troubleshooting

Switch feels loose or does not snap into the frame

Ensure you are using an official MK Grid Plus mounting frame and verify that the module clips are fully engaged until you hear a click.

Switch produces a humming sound when ON

Check terminal connections to ensure all wires are tightly secured; a loose connection can cause arcing and heat buildup.

Appliance does not power on

Verify the circuit breaker in the main distribution board has not tripped and check that all incoming and outgoing cables are correctly wired to the terminals.

Pros and Cons

Pros

  • Specifically rated for high-load immersion heater circuits
  • Double pole design enhances electrical safety
  • Modular system allows for flexible multi-gang configurations
  • Proven reliability from a reputable electrical brand
  • Easy to integrate with existing MK Grid Plus mounting hardware

Cons

  • Requires professional installation to comply with wiring regulations
  • Only compatible with MK Grid Plus frames and plates
  • White finish may show dust or discoloration over many years

Setup, Compatibility & Care

This module is designed exclusively for the MK Grid Plus mounting system. Before installation, ensure the power is isolated at the consumer unit. The module clicks into the rear of the grid frame; ensure the orientation is correct based on the switch markings. Use appropriate cable gauges suitable for a 20 Amp circuit to prevent overheating. For care, keep the switch free of excess moisture and debris. If the surface requires cleaning, use a dry or slightly damp lint-free cloth. Do not use abrasive chemical cleaners as they can damage the finish and potentially ingress into the switch mechanism.

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