Tirrill Burners
By Humboldt Mfg.
This noiseless burner allows separate control of flame temperature and length. Complies with Federal Specification NNN-B-795. Threaded aluminum control sleeve and accurately machined, fine pitch, brass needle valve with internal stuffing box and self-sealing packing. Provides a clear flame from 1/2" to 12" high. Nickel plated die-cast base with tapered, serrated gas inlet and aluminum mixing tube.