Filter
Top Products
Model OFE/OFG/OEA/OGA-341, 342
2-12. VACUUM SWITCH This switch senses the airflow from the induction blower. If
REPLACEMENT
the airflow is reduced below a set amount, the switch opens and
the I/O board cuts power to the gas control valve, which shuts the
pilot flame off.
1. Remove electrical power supplied to the unit.
To avoid electrical shock or property damage, move the
power switch to OFF and disconnect main circuit
Figure 2-29 breaker, or unplug cord at wall receptacle.
2. Remove the control panel.
3. Remove the 2 screws securing the switch to the heat shield.
Figure 2-29.
4. Remove the air hose from the air switch. Figure 2-30.
Figure 2-30
5. Label and remove wires from air switch. Figure 2-31.
6. Install new vacuum switch in reverse order.
To avoid property damage, do not tamper with, or disas semble
this component. It is set and sealed from the factory and is not
Figure 2-31 to be adjusted.
1003 2-11