



MK Electric K5423WHWHI Logic Plus White Moulded Double Pole Switch With Neon & Flex Outlet In Base Marked WATER HEATER 20A
K5423WHWHI
MK Electric K5423WHWHI Logic Plus White 20A Double Pole Switch with Neon & Flex Outlet – Clearly Marked ‘WATER HEATER’ for Safe, Visible Control
The MK Electric K5423WHWHI Logic Plus Double Pole Switch combines secure switching with clear identification for water heater applications. Featuring a built-in neon indicator, base-entry flex outlet, and ‘WATER HEATER’ marking, this flush-mounted switch ensures safe isolation and easy identification in domestic or commercial installations.
- 20A Double Pole Switching: Provides full isolation of live and neutral conductors for safe maintenance and operation.
- Neon Power Indicator: Offers clear visual confirmation when the switch is live, enhancing user safety.
- Integrated Base Flex Outlet: Allows neat and secure cable entry for direct connection to the water heater.
- ‘WATER HEATER’ Marking: Clearly identifies the switch’s purpose for quick recognition and compliance.
- White Moulded Finish: Durable, easy to clean, and consistent with the Logic Plus range.
Technical Specification
- Mounting: Flush
- Current Rating: 20A
- Switch Type: Double Pole
- Indicator: Neon
- Flex Outlet: Base Entry
- Marking: WATER HEATER
- Finish: White Moulded
✅ Trust the MK K5423WHWHI for safe, clearly marked water heater control with integrated flex outlet and neon indication!

Ean Code | 5017490223258 |
Range | MK Logic Plus |
Product | Double Pole Switch |
Type | Standard Plate 20 Amp |
Ingress Protection | IP2X |
Fixing Centres | 60.3 mm |
Number Of Gangs | 1 |
Voltage | 250 V |
Pole Configuration | Double Pole |
Mounting | Flush |
Width | 86 mm |
Current Rating | 20 A |
Standards | BS EN 60669-1 |
Height | 86 mm |
Neon Indicator | Y |
Face Colour | White |
Rocker Colour | White |
Flex Outlet | Y |
Legend | Water Heater |
Switched/unswitched | Switched |
Delivery Options:
- PRIORITY DELIVERY – Next Working Day (All items in stock and ordered before 3 pm) - £7.08 inc-VAT. (£5.90 ex-VAT)
- Orders Over £100 (before VAT): We offer free standard shipping on all orders shipped to UK mainland addresses
- Orders under £100 (before VAT): Our standard delivery fee to UK mainland addresses is £5.90 ex-VAT (£7.08 inc-VAT)
*Delivery charges to JE, GY, TR, BT, IM, IV, HS, KW, ZE and certain PA post codes are £12 ex-VAT for all orders (Prices subject to change).
Items requiring specialist shipping:
- Orders containing Solar Panels, Batteries and/or Inverters: Up to 50 qty will be dispatched on a pallet and incur a £120 ex-VAT delivery charge**.
**Delivery charges to JE, GY, TR, BT, IM, IV, HS, KW, ZE and certain PA post codes are £180 ex-VAT (Prices subject to change).
Contact us if you have any further questions.