REV. B Page 9
Round & Square Flat Disc
INSTALLING BURNER ORIFICE (OAS)
GAS FL
OW
Burner Pan
OAS#
U3-8D-S
Lock Nut
Locate the burner nipple underneath the
burner pan. Ensure the nipple on the spur
burner has gas rated Teflon tape wrapped
around the threads. Thread the OAS
(orifice air shutter) to the nipple of the
burning spur clockwise manner. Secure
into position. See Fig. 6.
Fig. 6
Installing OAS assembly to spur burner.
Section A
Thermocouple Manual
Safety (TMSI) Installation
Fig. 4
Shows disc secured under stone caps.
Fig. 5
Shows disc secured between layer of block.
Flat disc’s are typically used with landscape blocks. The illustrations below show examples of possible installations.
Figs. 4 and 5 show the use of the flex frame system which provides the ability to easily remove the disc if necessary.
