Adjust COS-640STX-E Regulator for LP Gas

Figure 1-A

Figure 1-B

Figure 1-C

1. Read all instructions carefully before beginning. NOTE: Your regulator may not match the images exactly, but the procedure will remain the same.
2. Disconnect all electrical power at the main circuit breaker or fuse box. Shut off the gas supply to the unit by closing the manual shut-off valve.
3. Unscrew the cap on the regulator using a wrench as shown in Figure 1-A.
4. Unscrew and remove the retainer pin that is currently positioned for natural gas as shown in Figure 1-B.
5. The position shown in Figure 1-B is the natural setting. If the retainer pin has not yet been flipped, remove the retainer pin and re-insert into the cap as shown in Figure 1-C.
6. Replace the regulator cap and tighten using a wrench.
7. Your regulator is now set up for LP gas.