4 Zone programmer
Hard wired
Swithch output: 230Vac
8 Pin backplate
Screen dimensions: 100 x 35mm
Pre set clock
3 On/Off periods
Boost and advance
Frost protection
Hoilday mode
Keypad lock
24Hr...
Activation of 2-way and 3-way valves of the VUN/BUN, VUD/BUD and VUE/BUE series
For controllers with a switching (2-/3-point) output
Synchronous motor with electronic control unit and time-dependent...
Scald protection and constant-temperature service water tapping
Suitable for up to max. 8 households.
Temperature range 30-65°C
Flow at 3 bar
Max 63 l/min
Male thread 3/42 with reduction threaded...