Red Neon On Indicator. Double Pole.
eBay
Delviz 20A Water Heater Switch, Toughened Crystal Glass Panel,Double pole double break Button, High power air conditioner Switch
Aliexpress UK
Selectric Square LG221N 20A Double Pole Sink/Bath Switch with Neon. Neon Indicator. Double Pole.
eBay
CNTOPHEAT 2inch(64mm) Tri Clamp 220V Immersion Heater Electric Heating Element for Brewing Equipment 2.5KW/3.5KW/4.5KW/5.5KW
Aliexpress UK
This switch needs a LIVE and NEUTRAL to make the neon indicator operate. If there's no neutral, the neon won't light . 16 Amp Double Pole Pull Switch.
eBay
Immersion Cartridge Heater 1/2" Thread Cylindrical Hot Rod Resistance 220V 300W 500W 1/1.5/2KW Electric Water Heating Element
Aliexpress UK
The 13 Amp Single Water Immersion Heater Switch is a white decorator/rocker switch suitable for wall mounting in interior rooms. It features an indicator light and is designed for commercial, healthcare/safety, and home/garden applications. The switch has a maximum amperage of 13A and operates on AC voltage. With a square box shape and screw terminal electrical connection, this unit is a reliable choice for controlling water heater circulation in various settings. Its vertical orientation and screw on mounting style make it a practical and efficient addition to any electrical wiring system.
eBay
LJXH 220V 1KW/1.5KW/2KW Electric Water Tubular Heater Immersion Heating Element 1 1/4 Inch Thread with Probe Tube
Aliexpress UK
Pole Changeover. Switch Marked SINK BATH. DM Edit 16/10/18.
eBay
DN25 Immersion Heating Element 1Inch DC 24v/36v/48v Tubular Electric Water Heater Stainless Steel 304 300w 600w 900w 1200w 1500w
Aliexpress UK
Also suitable for many other uses such as lighting, ventilation, or even for off peak battery charging systems. Max Inductive Load - 4A (eg fluorescent lighting, or motors). Mounting - Wall Mounting on a flat surface.
eBay
SNDHEATER 12V 24V 36V 48V Water Immersion Heater Low Voltage G1 1/4" DN25 1Inch Thread Induction Heating Tube 304SUS 300W-1.5KW
Aliexpress UK
20 Amp DP Plateswitch with Flex Outlet and Neon.
eBay
12v/24v/36v/48v Heating Element Immersion Tubular Water Heater DN25 dc Solar Water Heating Element
Aliexpress UK
Energy Saving.
eBay
LJXH 2inch(64mm) Tri Clamp Immersion Heater Heating Element for Brewing/Distilling Equipment 240V 2.5KW3.5KW4.5KW5.5KW6.5KW
Aliexpress UK