FW100 Weather compensation controller

The FW100 is a weather compensating programmable room thermostat with hot water control capability.

It allows you to set separate times and temperatures for your heating and hot water. The times can be different for each day of the week.

The FW100 is supplied with an outdoor sensor which adjusts the boiler’s output dependent upon the outdoor temperature.

This control also features a ‘holiday function’. This allows you suspend your normal heating and hot water times for the duration of your holiday and resume them on your return.

Use with
Where Greenskies solar panels are installed, the FW100 is compatible with the ISM1 Intelligent solar module.

Compatibility with Greenstar gas boilers

CDi boilers: FX intelligent controls are compatible with CDi combi and system boilers manufactured after 16th Jan 2007 with software version CF12.10 onwards. (For information about your boiler’s software version please contact Technical Support.)

Si and i System boilers: compatible with FX controls from February 2011 onwards, models produced earlier than this date are not compatible.

Please note: system boilers must have the optional integral diverter valve fitted where FX controls are used.

Need more information on this product?

• See a video on using this timer
• Download the FW100 instructions (3.60 Mb)
• Order a printed copy of the FW100 instructions