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Honeywell ST799 7 Day Electronic Programmer

Part Number : H001565

£106.50
Ex VAT
£127.80
Inc VAT
£106.50
Ex VAT
£127.80
Inc VAT
Enter your delivery postcode for stock availablity.

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 and Benefits:

  • 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

Dimensions:

  • Height: 50mm
  • Width: 115mm
  • Depth: 115mm
  • Weight: 0.26kg
  • Fixings Included: Yes

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 and Benefits:

  • 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

Dimensions:

  • Height: 50mm
  • Width: 115mm
  • Depth: 115mm
  • Weight: 0.26kg
  • Fixings Included: Yes

Technical Specifications

Manufacturer Part Number ST799A1003

For more information on the delivery options for your postcode area and our returns policy please visit:

Delivery and Returns

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