Can I use the 01933 and 01934 two-way RF actuators in place of the 01923 or 01924 1-way RF actuators without using the 01930 2-way RF base? More
With 2 01910 timer-thermostats, if I choose the unidirectional RF control, which additional devices would I need? More
How many 01910 timer-thermostats can I control via telephone through a 01491 GSM communicator equipped with an 01931 RF communication interface? More