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  • Replacement sensor for Ei261 and Ei261D CO Alarms
  • Replace the sensor, without replacing the complete alarm
  • Significantly cheaper than buying a new alarm unit
  • Perfect DIY component, no electrician bils
£23.99 inc VAT
£19.99 ex VAT
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  • Ei Electronics manufactured Ei141 replacement
  • Simple DIY replacement process
  • Kit supplied complete with removal tool
  • Replacement detector fully conforms to the latest British Standards
£19.49 inc VAT
£16.24 ex VAT
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  • Ei Electronics manufactured Ei144 replacement
  • Simple DIY replacement process
  • Kit supplied complete with removal tool
  • Replacement detector fully conforms to the latest British Standards
£32.49 inc VAT
£27.08 ex VAT
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  • Ei Electronics manufactured Ei146 replacement 
  • Simple DIY replacement process
  • Kit supplied complete with removal tool
  • Replacement detector fully conforms to the latest British Standards
£25.49 inc VAT
£21.24 ex VAT
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  • Ei Electronics manufactured Ei151 replacement
  • Simple DIY replacement process
  • Kit supplied complete with removal tool
  • Replacement detector fully conforms to the latest British Standards
£32.49 inc VAT
£27.08 ex VAT
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  • Ei Electronics manufactured Ei154 replacement
  • Simple DIY replacement process
  • Kit supplied complete with removal tool
  • Replacement detector fully conforms to the latest British Standards
£49.49 inc VAT
£41.24 ex VAT
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  • Ei Electronics manufactured Ei156 replacement
  • Simple DIY replacement process
  • Kit supplied complete with removal tool
  • Replacement detector fully conforms to the latest British Standards
£42.49 inc VAT
£35.41 ex VAT
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  • Ei Electronics manufactured Ei161 replacement
  • Simple DIY replacement process
  • Kit supplied complete with removal tool
  • Replacement detector fully conforms to the latest British Standards
£36.49 inc VAT
£30.41 ex VAT
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  • Ei Electronics manufactured Ei164 replacement
  • Simple DIY replacement process
  • Kit supplied complete with removal tool
  • Replacement detector fully conforms to the latest British Standards
£52.49 inc VAT
£43.74 ex VAT
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  • Ei Electronics manufactured Ei166 replacement
  • Simple DIY replacement process
  • Kit supplied complete with removal tool
  • Replacement detector fully conforms to the latest British Standards
£47.49 inc VAT
£39.58 ex VAT
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