If independent timing of each channel is required, linked to easy setting, LP241Si meets this criteria. For fully pumped systems heating and hot water, it can operate at different times, giving greater scope for efficient use of energy. Boost and Advance featuresBacklit display flashes to create visual alarmAutomatic summer/winter time changeAudible alarm if service missedDrayton LPSi is the control to help landlords comply with R36, Gas Safety (Installation & Use) Regulations 1998. With all the features of Drayton's market leading LP time controls, the LPSi alerts householders when their boiler service is due. If the service is missed the LPSi reduces comfort levels until the boiler is serviced and the unit reset.

Programmers allow you to set ‘On’ and ‘Off’ time periods. Some models switch the central heating and domestic hot water on and off at the same time, while others allow the domestic hot water and heating to come on and go off at different times.

Set the ‘On’ and ‘Off’ time periods to suit your own lifestyle. On some programmers you must alsoset whether you want the heating and hot water torun continuously, run under the chosen ‘On’ and‘Off’ heating periods, or be permanently off.

The time on the programmer must be correct. Some types have to be adjusted in spring and autumn at the changes between Greenwich Mean Time and British Summer Time.Brand new units box might have light wear but units A1 brand new