Valve with 45º angled orifice snout built to accept 5/16-32 threaded spud type orifice (not provided). Mounts to the right side of original up-front control manifold assembly. Fits Arkla, Thermos/Structo and others with this thread sized orifice. D = 9.

("D" value indicates the position of the flat portion of the valve stem. "D" is specified as 12, 9, 6, or 3 o'clock. Knobs must have the same "D" value as the valves they are used with.)