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Horstmann S21 2 Channel 24 Hour Programmer

Horstmann S21 2 Channel 24 Hour Programmer
£57.41 inc VAT
RRP £92.93 You Save £35.52
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  Fulfilled by HVAC-UK
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  •   Express Delivery
  •   14 Day Returns
  •   Delivered By UPS
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Horstmann S21 2 Channel 24 Hour Programmer

The ServicePlus range of programmers and timeswitches are designed to carry out a full or partial boiler shutdown once the servicing date has become overdue.

The S21 programmer has industry standard wiring connections, making it an ideal replacement for many existing programmers.

  • 2 Channel
  • 24 hour
  • 28 Day Service Warning
  • Part L Compliant
  • 3 Amp rated
  • Three ON and OFF periods each day
  • Hot water boost and central heating advance
  • Mains powered with battery back-up
  • Programme options On 24hrs, OFF, All Day or Auto

Image shows the S17 version.

Product Specification

Name Horstmann S21 2 Channel 24 Hour Programmer
Product Code 127612
MPN S21
EAN 5015914201042
RRP £92.93 You Save £35.52
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