hestan KRT365 Installation Instructions Manual page 11

CHANGING VALVE ORIFICES
14. Replace the VALVE orifice as shown below. See the chart on pg. 6 to select the appropriate orifice
size for your gas type / altitude. The part number and identification (color code) for the orifice is
given in the table below.
NOTE: REMOVE AND REPLACE ONE ORIFICE
AT A TIME. MAKE SURE ORIFICE IS FULLY
TIGHTENED ON INSTALLATION.
VALVE LOW
ORIFICE
023701-XXX
(continued)
SINGLE-FLOW
VALVE
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