Viessmann 4011 Colour Light Block Signal
Colour Light Distant Signal - 79 mm, with 2 LED's
Signal in standard construction, with filigree latticed brass mast, authentic varnishing and patented base socket for easy mounting. With 2 LEDs, maintenance free. Signal pictures Hp0 and Hp1. Suitable control module: Item-No. 5221. Height: 79 mm.