Centro 85-1620-6 manual Fig. D

Fig. A

Fig. B

Fig. C

Orifice

removal out

Valve orifice is taken out

Fig. D

Inner orifice

for NG

4

Using the Orifice removal tool provided, insert into hole on the rear of the control panel (Fig. A and B), inside the burner box. Tool will fit directly around the valve orifice. Once a connection is felt, turn the tool counter-clockwise to remove all orifices, including Sear Zone.

Note: When removed, the valve orifice will sit inside of the orifice removal tool as shown (Fig.C).

Note: View of the valve with LP orifice removed uncovering the inner Natural Gas orifice. All burner valves

must appear the same as the image shown (Fig.D).

1 0