Due to nationwide supply chain issues there may be some products with longer delivery times. Find out more here


Product was successfully added to your basket.

Star Star Star Star Star
Share this product
  • Name
  • Your Email Address
  • Recipient Name
  • Recipient Email Address
  • Message
Successfully added to your basket
Honeywell ST9400C PY22AA940C Control Y-Plan 22mm

Honeywell ST9400C PY22AA940C Control Y-Plan 22mm

New Merchandise Created with Sketch.
Item Code: 311763
Expected Delivery:  
help and info
Need Help?  0800 181 4488
Ex. VAT £223.01 Inc VAT

Additional Information

Brand Honeywell
Lead Time No
Channels 2
Interface Digital
Program Options 7 Day
Type Heating Control Pack
Wireless No
Manufacturer Part No: PY22AA940C


Honeywell ST9400C PY22AA940C control (Plan-Y) 22mm Features

  • Single point of control
  • Plug in connections
  • Low voltage controls
  • 7 day and 1 day versions
  • Built-in start up programme
  • Clear digital display for both central heating and hot water
  • Built-in diagnostics
  • 12 hour time display with am/pm indicator
  • Installer mode
  • Programme indicator symbols
  • Backlighting
  • Set point limits for both room and water temperatures
  • Optional optimum start
  • No wiring diagram required
  • Hypothermia protection