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15
HIGH & LOW GAS PRESSURE SWITCHES
Pressure switches sense either high or low gas
pressure and automatically shut down burners if abnor-
mal pressures exsist. Standard on Models 3001-4001.
PRESSURE
SWITCH
GAS MANIFOLD
Fig. #8236
ELECTRICAL WIRING
CAUTION: Label all wires prior to disconnection when
servicing controls. Wiring errors can cause improper
and dangerous operation. Verify proper operation after
servicing.
DANGER - SHOCK HAZARD - Make sure electrical
power to the heater is disconnected to avoid potential
serious injury or damage to components.
NOTE: If it is necessary to replace any of the original
wiring, it must be replaced with 105° C wire or its
equivalent.
ELECTRONIC IGNITION
The intermittent ignition device conserves energy by
automatically extinguishing the pilot when desired tem-
perature is reached. When additional heat is needed, the
pilot re-ignites electrically, eliminating the fuel costs of
maintaining a constant pilot. To ensure safe operation,
the gas valve cannot open until the pilot relights and is
confirmed.
Model w/out lockout with lockout
926-1826 Natural Gas Standard Optional
926-1826 Propane N/A Standard
2100-4001 Natural Gas N/A Standard
2100-4001 Propane N/A Standard
Heater must be electrically grounded and bonded in
accordance with local codes, or, in the absence of local
codes, with the latest edition of the National Electrical
Code, ANSI/NFPA 70.
Fig. #8929.1