Gas Train - andrews R18 Series Technical Documentation Manual

Fig. 33 Electrodes
Check that the modulating combustion air/gas control linkages
are in good working order and that there is no play in the gas
control spindle.
Replace the burner trolley and bolt into position. Re-connect the
electrical connectors to the connection tray.
Re-commission the water heater as described in Section 6
commissioning.

Gas train

Fig. 34 Gas train
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18IP22B