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24 Hour Immersion Heater Time Controller

Specially designed for installation with both new and existing immersion heater systems. Up to 24 ON & OFF programmes (additional pins required) plus self-cancelling override for instant ON/OFF switching.

  • 13A (3kW) loading.
  • For total control of your hot water.
  • Switches ON and OFF at preset times.
  • Easy to use setting pins.
  • 30 minute minimum switching interval which can be increased in 15 minute steps.
  • Manual override until next programme change.
  • Integral thermal fuse for extra protection.
  • Bottom or rear entry for cable.



Timer Mode 24 Hour
Setting Type Pin
Operating Voltage 230V AC
Switch Rating 230V AC 13A Resistive (3kW), Inductive 4A
Operating Temperature 0 to 50?C
Cable Connection 1.5 ? 2.5mm2 Flexible Cable
EC Directives Conforms to Latest Directives
Dimensions Width 74, Height 120, Depth 48

TS900B can be used with up to 100W of fluorescent or low energy lighting. Can be used with filament lighting up to 400W. Cannot be used with discharge lighting (e.g. SON and Metal Halide).

Download Instructions

Additional information

Weight 0.15 kg
Dimensions 4.8 × 7.4 × 12 cm


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