BSI - BS EN 125
Flame Supervision Devices for Gas-Burning Appliances - Thermo-Electric Types
|Publication Date:||29 November 1991|
|ICS Code (Fire protection):||13.220.20|
Requirements and test methods for devices energized by a thermocouple. Applies to devices of nominal connection size up to DN 50 for use in the 1st, 2nd or 3rd family gases.