Siemens LGB21.350A27 burner control system

Siemens

Alternative Part Number

Viessmann 9507870Viessmann 7815325Viessmann 7815326
  • Discontinued
  1. Burner Parts
  2. Automatic burner control units

Characteristics

Safety time (ts): 5 sPreignition time (tvz): 2 sPre-ventilation time (tv/tp): 30 sOperating ambient temperature: from -20 to 60 °CBurning method: turbochargedOperating mode: intermittentPresence of a plinth: noBurner type: one-stage or two-stageFuel type: gaseous or combinedDegree of protection: IP40Voltage: 220 V - 220 VFlame sensor type: ultraviolet