Natco Fire-Coil Volume Water Heaters
Page 17
Figure 26. Typical example of wiring schematic, System 12.
IGNITION SYSTEM NO. 12 - ELECTRONIC IGNITION
ON/OFF OR MECHANICAL MODULATION
Volume Water Heaters (325-400) Version B
Natural or Propane Gas
PUMP INCLUDED ON PW
MODELS, FIELD SUPPLIED
ON VW MODELS