BURNER
BY-PASS
C.H. SENSOR
CIRCULATION PUMP
CONDENSING TRAP
CONTROL BOARD
D.H.W. SENSOR
DHW / CH POTENTIOMETER ASSEMBLY
DIFFERENTIAL PRESSURE SWITCH
DIGITAL DISPLAY
DIGITAL TIMER
DIVERTER VALVE SWITCH
FAN
FLOW DETECTOR
FLOW MANIFOLD
FLUE GAS EXHAUST MANIFOLD
GAUGE WATER PRESSURE
HEAT EXVHANGER COVER ASSEMBLY
INTERNAL FUSE 3.15 A
O-RING - PUMP / MANIFOLD
OVERHEAT THERMOSTAT
PIPE O-RING
PUMP / PRESS.GAUGE O-RING
SAFETY RELIEF VALVE
SENSING ELECTRODE
SPARK CABLE
SPARK ELECTRODE
SPARK IGNITER
VALV. GAS / MIXER O-RING