Rheem IKONIC RTGH-S11i Manual page 85

HOW TO REMOVE COMPONENTS
ORIFICE PLATE (NAT/LP)
8. Place two (2) gaskets on the LP (or NAT) orifice plate.
9. Install the LP (or NAT) orifice plate on to the gas ori-
fice block, for use with LP (or NAT) gas.
NOTE: To ensure a leak free joint, verify that both
gaskets on the gas orifice block are in place and are in
good condition, before attaching the LP (or NAT) orifice
plate.
10. Use the 7/16" long screw removed at step 7 to se-
cure the orifice plate to the gas orifice block, DO NOT
use different screw type or length.
NOTE: Install the orifice plate in the right orientation.
85 IKONIC Tankless Water Heater Service Manual