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TH22 3KW 7L Sink Water Heater

Product Overview

The Redring TH22 3kW Water Heater is one most popular 7 litre over sink water heater due to its excellent reliability and performance. 

Due to their point-of-use installation these units also benefit from minimal standing heat loss, and when added to the fact that, because this heater is only 3kW, unlike instantaneous water heaters, it can be spurred off a ring main rather than requiring its own dedicated circuit and then it becomes clear why the Redring TH22 Water Heater has quickly become a firm favourite.

Outlet Spout: 300mm


  • 2 year guarantee (UK)
  • Temperature Adjustment: 15-75 Degrees C With Frost Protection Setting
  • Water Capacity: 7 Litres
  • Dimensions: H 400mm, W 278mm, D 232mm
  • BEAB, WRAS and CE approved


  • Wattage: 3kW
  • Voltage: 240V
  • Dimensions: H 400mm, W 278mm, D 232mm



Type of Water Heater
Over Sink Water Heater
Vented Unvented
240 v
3 kW