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7
LOCK-OUT
TAG
ON
OFF
MAIN
STEP 1
STEP 2
STEP 3
STEP 4
STEP 5
STEP 6
STEP 7
Two-StageRTU gas valve
Single-StageRTU gas valve
On/OffSwitch
C08543
Fig. 4 -- To Shut Unit Off (Units with Electro--Mechanical Control)
48PD
,48PG