Pool heater was removed from service due to a leaking heat exchanger. Model: Hayward H100ID1 natural gas pool heater. Purpose: Heater for above ground pools and spas. Regulates inputs and commands output of igniter. No igniter unless pump is running, pressure sensed from induction blower, call-for-heat from thermostat. PN: (for reference only – not illustrated) 1DXMOD1930.
