SVC 810 Tankless Troubleshooting Manual
77
Parts Exploded View for RTG 66DV
Ref
#
Description
1 Control Board
Control Board Fuse (5A)
Power Line Fuse (3A)
Heat Exchanger Thermistor - Yellow
Ambient Thermistor - Blue
2 Inlet Thermistor - White
2 Outlet Thermistor - Black
Gas Valve - LP
7 Gas Valve - NAT
3 Gas Control Resistor
6 Gas Inlet Connector 3/4
6 Burner Assembly
Burner Manifold - LP
Burner Manifold - NAT
4 Sensor Orfice - LP
4 Sensor Orifice - NAT
Ignitor Coil
5 Ignitor Electrode
Ignitor Electrode
8 Blower Motor
8a Blower Case
9 Water Control Valve
14 Water Bypass Valve
Water Inlet Connector 3/4
Remote Control Terminal Block
10 Terminal Block Wire Assy
11 Screw Pan FT 4x12
Inlet Water Filter
Hot Outlet Connector
Door Screw
Chassis Screw
Mounting Brackets
Only fuel specific chips are required for replacement control boards. Altitude is controlled
through dip switch settings and does not require a program chip. See Use and Care for details.
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