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Installation/Operating Instructions
Invented for life
Hot-water temperature change connector
Printed circuit board
Gas solenoid valve set
Ignition plug
Remote Control Connections
Burner manifold
Thermal fuse
Flue terminal
Antifrost heater
High-limit switch
Earth leakage breaker
Water flow rate adjusting valve
Flame rod
Inlet water connection
Power cable
Outlet water connection
Gas connection
Controller
Remote
Empty heating prevention device
Over-heat prevention device
Flame failure safety device
• YS2670RA series, YS2670RABZ