Product Code: UDWZWZTDV
Availability: In Stock
£78.21 £138.49

Now with LoT TechnologyOur Largest ever Backlight DisplayFactory set ClockAutomatic Summer/Winter time change7 Day or 5/2 Day operation

The ST9400C in a 7-day Electronic Programmer which provides accurate time control for central heating systems with separate programmes for heating and hot water. ST9400C is suitable for replacing a wide range of programmers on the market and is a direct replacement for Honeywell ST6400 Programmers without the need for re-wiring. St9400 programmers can be combined with other Honeywell Controls such as Room Thermostats, Cylinder Thermostats, Wiring Centres and Zone or Diverting Valves to form a fully automatic central heating control system.

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Any circuit boards cannot be returned if seal has been broken as incorrect diagnostics could cause damage to these parts.

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Honeywell ST9400C 7-day Electronic Programmer with 2-channel UDWZWZTDV

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