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SECTION 4 - SERVICING INSTRUCTIONS
GENERAL LOCATION OF CONTROLS
GAS CONNECTION
3/4 NPT
LEFT ACCESS
PANEL
BONDING LUG
LOCATION
(OPTIONAL)
VENT PRESSURE
SWITCH
AIR PRESSURE
SWITCH
GAS ORIFICE
GAS VALVE
T&P GAUGE
135ºF & 160ºF
HIGH LIMITS
Fig. 25: General Location of Controls
BONDING LUG
LOCATION
33
WIRING BOX
(SUPPLY POWER)
BLOWER RELAY
TRANSFORMER
PRV
TEMPERATURE
SENSOR
DRAIN VALVE
DIRECT VENT
ACCESS PANEL
RIGHT ACCESS
PANEL
FLOW SWITCH
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