Thermann Installer’s Manual
Gas Continuous Flow Water Heaters
10
(e.g. TH21ENB5N)
Heat exchanger
Flame rod
Burner manifold & gas valve
Circuit board
Fan motor
Gas inlet
Igniter
Main flow control valve
Hot water outlet
Cold water inlet
Flue exhaust
Anti-frost heater
Thermal fuse
Power code
Pressure relief valve
Water flow sensor
Water inlet thermistor
Anti-frost heater
Water outlet thermistor
Anti-frost heater
High limit switch
Ignition plug
Freeze protection thermostat
Inlet water filter
TH21ENB series, TH17ENB series
Summary of Contents for TH17ENB5L
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