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Honeywell HONEYWELL 7-DAY 2ON/OFF PRG ST799

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Ref. Code: 2H799

£88.36 inc. VAT

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ST799 7 Day Classic Programmer

The ST799 time control programmer can be used as a replacement programmer on gravity, primary or fully pumped systems. The ST799 offers a flexible 7 day programme. The front panel of the programmer will fit to the same backplate.

 

Programming the timing sequence is straightforward, using the top slider switch and [+] and [-] buttons. Please note it is recommended that, in order to comply with Part L1 Building Regulations central heating systems should be upgraded to fully pumped with a fully independent programmer e.g. ST9400C.

 

Features

  • Compact size €“ easy to operate
  • Suitable for surface or switch box mounting
  • Built-in battery back-up
  • One or two On/Off periods per day
  • Double insulated
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