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This product is discontinued

Electronic Programmer

User-friendly, 4-channel programmer, designed for domestic use, providing advanced, easily programmed features. The H47XL is a four-channel version of the ChannelPlus programmer for larger dwellings, featuring zone control of hot water and heating as well as many other zoning applications including underfloor heating. The latest Building Regulations Domestic Heating Compliance Guide requires each heating zone that exceeds 150 m2 to have independent time and temperature control.

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Model Replacement
ChannelPlus H47 The above unit use the same backplate as H3747 and only requires a simple wiring change H3747


  • Time control of most domestic gas or oil-fired central heating systems
  • Combi boilers • Stored HW systems
  • Underfloor heating systems
  • Zone Control – time control of multiple heating zones


  • Flexible controls
  • 7-day programming allowing different times to be set for different days of the week


  • Full 7-day operation over four independent channels
  • Back-lit LCD display
  • Preset clock
  • Automatic Winter/Summertime changes
  • Simplified menu-driven programming
  • Advance and boost on each channel
  • Tamper-proof
  • 7 years no quibbles warranty



Contact rating 3 (1) Amps 230V AC
Contact type Micro-disconnection
Supply 230V 50 Hz
Battery Lithium
Pollution degree Degree 2
Case material Thermoplastic flame retardant
Dimensions 101 x 163 x 37mm
Enclosure protection IP30
Double insulated Yes
Class software Type 1 Control
Operating temperature range 0° C to 40 °C
Display Back-lit liquid crystal
Clock 24-hour or 12-hour am/pm
Displayed time adjustments 1-minute steps
Switched time adjustments 10-minute steps
Programme options On, Off, All Day, Auto & Holiday
Operating periods per-day 3 for each channel
Override (each channel) 1 or 2-hour boost, 1 or 2-hour extension to On period, instant advance
Mounting 9-pin wall fixing plate
Rated impulse voltage Cat 2 – 2500V
Enclosure protection Flame retardant thermoplastic