125HX Technical Support
Online Technical Support from Bosch Water Heaters
 
Parts that can be purchased within our website are not directly sold by Bosch.  They are provided through Houseneeds.com, an authorized Bosch parts supplier.
   
   125HX Repair Parts List

8705406235.jpgBosch Aquastar 125HX Heat Exchanger
Part #8705406380
(Previous Part #8705406235)
Non-Returnable

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8707002649.jpgBosch Aquastar 125HX Water Valve
Part #8707002649
Non-Returnable

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8700306114.jpgBosch Aquastar 125HX Water Valve Pushrod
Part #8700306114
Non-Returnable 

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8710103043.jpgBosch Aquastar 125HX Water Connections Gasket
Part #8710103043
Non-Returnable

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8703401051.jpgBosch Aquastar 125HX Water valve set screw
Part #8703401051
Non-Returnable 

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8700503053.jpgBosch Aquastar 125HX Water Valve Diaphram
Part #8700503053
Non-Returnable

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8700507001.jpgBosch Aquastar 125HX Inlet Filter Screen
Part #8700507001
Non-Returnable 

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8708205249.jpgBosch Aquastar 125HX Water Valve Venturi
Part #8708205249
Non-Returnable

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8700703114.jpgBosch Aquastar 125HX Water Elbow Fitting
Part #8700703114
Non-Returnable

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8700703130.jpgBosch Aquastar 125HX Outlet Flex Hose
Part #8700703130
Non-Returnable

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8700705947.jpgBosch Aquastar 125HX Cold water Pipe
Part #8700705947
Non-Returnable

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8700715178.jpgBosch Aquastar 125HX Connecting Pipe
Part #8700715178
Non-Returnable

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8707406059.jpgBosch Aquastar 125HX Hydro-Generator
Part #8707406059
Non-Returnable

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8700103658.jpgBosch Aquastar 125HX Washer
Part #8700103658
Non-Returnable

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8700707370.jpgBosch Aquastar 125HX Pilot Tube
Part #8700707370
Non-Returnable

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8702000111.jpgBosch Aquastar 125HX Temp Adjustment knob
Part #8702000111
Non-Returnable

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NoImageAvail.gifBosch Aquastar 125HX Temp Adjustment Collar and Knob
Part #8702000219
Non-Returnable

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8708105491.jpgBosch Aquastar 125HX Pilot Assembly LP Gas
Part #8708105491
Non-Returnable

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8718105051.jpgBosch Aquastar 125HX Pilot Assembly
Part #8718105051
Non-Returnable

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8708200005.jpgBosch Aquastar 125HX Pilot Injector Natural Gas (NG)
Part #8708200069
Non-Returnable

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8748200173.jpgBosch Aquastar 125HX Pilot Injector Propane Gas (LP)
Part #8748200312
Non-Returnable

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8700103173.jpgBosch Aquastar 125HX Pilot Tube Gasket 
Part #8700103173
Non-Returnable

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8708501249.jpgBosch Aquastar 125HX Pilot Electrovalve 
Part #8708501249
Non-Returnable

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8708501250.jpgBosch Aquastar 125HX Burner Electrovalve
Part #8708501250
Non-Returnable

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8700205120.jpgBosch Aquastar 125HX Electrovalve O-Ring
Part #8700205120
Non-Returnable

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8700205119.jpgBosch Aquastar 125HX O-Ring
Part #8700205119
Non-Returnable

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8707207142.jpgBosch Aquastar 125HX Electronic Control Box
Part #8707207142
Non-Returnable

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8704404038.jpgBosch Aquastar 125HX Set of Cables
Part #8704404038
Non-Returnable 

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8707206345.jpgBosch Aquastar 125HX Flue Gas Sensor
Part #8707206345
Non-Returnable 

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8704404040.jpgBosch Aquastar 125HX Flame Sensor Cable
Part #8704404040
Non-Returnable 

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8704404039.jpgBosch Aquastar 125HX Electrode Cable
Part # 8704404039
Non-Returnable 

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8708107006.jpgBosch Aquastar 125HX Piezo Electrode
Part #8708107006
Non-Returnable 

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8708107007.jpgBosch Aquastar 125HX Flame Sensor
Part #8708107007
Non-Returnable 

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8707206040.jpgBosch Aquastar 125HX Overheat Sensor (ECO)
Part #8707206040
Non-Returnable

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8342400000.jpgBosch Aquastar 125HX Regulator Natural Gas (NG)
Part #8342400000
Non-Returnable

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8345520000.jpgBosch Aquastar 125HX Regulator Propane Gas (LP)
Part #8345520000
Non-Returnable

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Bosch Aquastar Water Valve rebuild kit for 125HX Poly water valve
Parts #WVKIT125HX (8700306114 and 8705705009 and 2 X 8703401051 and 2 X 8710103043)
Non-Returnable

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125HX Tech Support
 

Note: Specifications and product information subject to change without notice.