Ahmedabad offering Honeywell make Flame relay in stock. Honeywell Flame Relay /Switch Model: R4343 Offers high and best quality Honeywell Flame Relay /Switch switches for our valued and respected consumers across the world. Our range of flame switches signal the presence or absence of a flame or Ultraviolet light. Honeywell Flame, Sensors a first relay receptive to a indication from the state sensor, the first relay being in a first state in the nonattendance of a signal from the condition sensor and being switched to a second state in response to a signal from the condition sensor.