central heating programmer

Independent timing. 5-wire installation. Override facility. Holiday mode. Automatic BST/GMT time change. Boost function.

Mains operated 4 channel programmer for use as a set-back or conventional central heating timer. controlling the on/off times of 2 underfloor heating manifolds, hot water and a ...

Simplifies the wiring of central heating installations using Sundial C, S or Y Plan control systems and programmers or timeswtiches.

Advance facility.Up to 3 hour boost facility.Override timing for hot water and central heating.Gravity of fully pumped systems.Battery back-up.2 changeover contacts.Operating ...

Staggering choice of Central Heating Controls from The UK's largest specialist online bathroom retailer Top quality brands at clearance prices for next day delivery.