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Return to Bosch Tankless Water Heaters Repair Parts Main Page   For Trade Sales Click Here   For Retail Sales Click Here Products   Bosch Water Heaters   Electric Space Heaters   PEX Radiant Heat   Heat Timer Controls   Grundfos Pumps   Taco Pumps   Gas Boilers   Electric Boilers   Indirect Storage Tanks   Hydronic Heating Supplies   Z Vent Z Flex Venting   Myson Radiators - Hydronic   Tankless Water Heaters   Heat Exchangers   Plumbing PEX   Fantech Fans   Solar Heating   SharkBite Fittings   Copper Fittings   Schulter Ditra   Pompco Well Pumps   Help   Site Guide   Online Manuals   Register Site Map PH1150 Bosch Tankless Water Heater - 125BS (Solar Model) Repair Parts All Bosch Repair Parts are Non-Returnable Retail Prices are shown - once you have an account - then you can see Pro Pricing  Click here for more info! Bosch 125BS Technical Support     Bosch 125BS Service Bulletins Part # 8705406189 (870540618900) Bosch Aquastar 125BS Solar Heat Exchanger - LOC 3295 - Part 8705406189 - Non-returnable Retail Price: $358.00 Pro Price Not Shown Part # 8707002393 (870700239300) Bosch Aquastar 125BS Solar Water Valve Assembly LOC 3355 - Part 8707002393KIT - Non-returnable Retail Price: $136.00 Pro Price Not Shown Part # 8703406245 (870340620400) Bosch Aquastar 125BS Solar Water Valve Pushrod LOC 3235 - Part 8703406245 (Old part number was 8703406204) - Non-returnable Retail Price: $19.00 Pro Price Not Shown Part # 8708503062 (870850306200) Bosch Aquastar 125BS Solar Water Valve Slow Ignition Valve LOC 3550 - Part 8708503062 - Non-returnable Retail Price: $11.00 Pro Price Not Shown Part # 8710103043 (871010304999) Bosch Aquastar 125BS Water Connections Gasket LOC 3565 - Part 8710103043 - Non-returnable Retail Price: $5.35 Pro Price Not Shown Part # 8703401165 (870340105999) Bosch Aquastar 125BS Water valve set screw LOC 3220 (Old Part Number was 8703401051) - Part 8703401165 - Non-returnable Retail Price: $5.35 Pro Price Not Shown Part # 8700503100 (870050310000) Bosch Aquastar 125BS Water Valve Diaphragm LOC 3085 - Part 8700503100 - Non-returnable Retail Price: $9.25 Pro Price Not Shown Part # 8708500230 (870850023000) Bosch Aquastar 125BS Solar Water Valve Piston Assembly LOC 3535 - Part 8708500230 - Non-returnable Retail Price: $10.00 Pro Price Not Shown Part # 8703404092 (870340409200) Bosch Aquastar 125BS Solar Water Valve Set Screw LOC 3225 - Part 8703404092 - Non-returnable Retail Price: $12.00 Pro Price Not Shown Part # 8700205050 (870020505000) Bosch Aquastar 125BS Solar O-ring Setting Screw LOC 3030 - Part 8700205050 - Non-returnable Retail Price: $5.25 Pro Price Not Shown Part # 8700507059 (870050705999) Bosch Aquastar 125BS Inlet Filter LOC 3110 - Part 8700507059 - Non-returnable Retail Price: $7.50 Pro Price Not Shown Part # 8700703114 (870070311400) 125BS Water Elbow Fitting LOC 3120 - Part 8700703114 non-returnable Retail Price: $68.80 Pro Price Not Shown Part # 8700705294 (870070529999) Bosch Aquastar 125BS Cold Water Pipe LOC 3130 - Part 8700705294 - Non-returnable Retail Price: $19.00 Pro Price Not Shown Part # 8700705431 (870070543100) Bosch Aquastar 125BS Solar Hot Water Pipe LOC 3135 - Part 8700705431 - Non-returnable Retail Price: $40.90 Pro Price Not Shown Part # 8708205235 (870820523500) Bosch Aquastar 125BS Solar Water Valve Venturi LOC 3525 - Part 8708205235 - Non-returnable Retail Price: $9.25 Pro Price Not Shown Part # 8718105051 (871810505999) Bosch Aquastar 125B Pilot Assembly NG or LP - LOC 3585 - Part 8718105051 - Non-returnable Retail Price: $17.20 Pro Price Not Shown Part # 8708107002 (870810700999) Bosch Aquastar 125BS Piezo Electrode LOC 3480 - Part 8708107002 - Non-returnable Retail Price: $12.95 Pro Price Not Shown Part # 8700507055 (870050755999) Bosch Aquastar 125BS Pilot Air Screen LOC 3105 - Part 8700507055 - Non-returnable Retail Price: $6.45 Pro Price Not Shown Part # 8708200005 (870820000999) Bosch Aquastar 125BS Pilot Injector Natural Gas LOC 3500 - Part 8708200005 - Non-returnable Retail Price: $5.35 Pro Price Not Shown Part # 8748200173 (874820017999) Bosch Aquastar 125BS Pilot Injector Propane Gas LOC 3610 - Part 8748200173 - Non-returnable Retail Price: $5.35 Pro Price Not Shown Part # 8700707316 (870070733400) Bosch Aquastar 125BS Solar Pilot Tube LOC 3161 - Part 8710707166 - Non-returnable Retail Price: $8.25 Pro Price Not Shown Part # 8747202083 (874720208999) Bosch Aquastar 125BS Thermocouple LOC 3600 - Part 8747202083 - Non-returnable Retail Price: $16.00 Pro Price Not Shown Part # 8747202078 (874720207800) Bosch Aquastar 125BS Solar Thermocable LOC 3595 - Part 8747202078 - Non-returnable Retail Price: $10.25 Pro Price Not Shown Part # 8707206039 (870720603900) Bosch Aquastar 125BS Solar Thermostat LOC 3400 - Part 8707206039 - Non-returnable Retail Price: $53.00 Pro Price Not Shown Part # 8747201094 (874720109400) Bosch Aquastar 125BS Solar Electromagnet LOC 3590 - Part 8747201094 - Non-returnable Retail Price: $56.00 Pro Price Not Shown Part # 8700103144 (870010314400) Bosch Aquastar 125BS Solar Electromagnet Washer LOC 3010 - Part 8700103144 - Non-returnable Retail Price: $7.25 Pro Price Not Shown Part # 8700507051 (870050705100) Bosch Aquastar 125BS Solar Gas Filter LOC 3100 - Part 8700507051 - Non-returnable Retail Price: $9.25 Pro Price Not Shown Part # 8705421033 (870542103300) Bosch Aquastar 125BS Solar Front cover LOC 3320 - Part 8705421033 - Non-returnable Retail Price: $62.00 Pro Price Not Shown Part # 8703304011 (870330401100) Bosch Aquastar 125BS Solar Cap Cover LOC 3215 - Part 8703304011 - Non-returnable Retail Price: $6.25 Pro Price Not Shown Part # 8342400000 (834240000999) Bosch Aquastar 125BS Regulator Natural Gas LOC 3000 - Part 8342400000 - Non-returnable Retail Price: $48.00 Pro Price Not Shown Part # 8345520000 (834552000999) Bosch Aquastar 125BS Regulator Propane Gas LOC 3005 - Part 8345520000 - Non-returnable Retail Price: $45.00 Pro Price Not Shown Part # 8707011467 (870701146799) Bosch Aquastar 125BS Solar Gas Valve LP - LOC 3650 - Part 8707011467 - Non-returnable Retail Price: $444.00 Pro Price Not Shown Part # 8707011469 (870701146999) Bosch Aquastar 125BS Solar Gas Valve NG LOC 3655 - Part 8707011469 - Non-returnable Retail Price: $431.00 Pro Price Not Shown Part # 8707206017 (870720601799) Bosch Aquastar 125BS Solar Overheat Sensor (Eco) LOC 3398 - Part 8707206017 - Non-returnable Retail Price: $35.50 Pro Price Not Shown Part # 8708120296 (870812029699) Bosch Aquastar 125BS Main Burner LP w/ Washer LOC 3497 - Part 8708120296 - Non-returnable Retail Price: $136.50 Pro Price Not Shown Part # 8708120298 (870812029899) Bosch Aquastar 125BS Main Burner NG w/ Washer LOC 3498 - Part 8708120298 - Non-returnable Retail Price: $110.70 Pro Price Not Shown Part # 8710103045 (871010304500) Bosch Aquastar 125BS Washer 1/2 Inch LOC 3570 - Part 8710103045 - Non-returnable Retail Price: $5.35 Pro Price Not Shown Part # 8710103060 (871010306099) Bosch Aquastar 125BS Burner Assembly Washer LOC 3571 - Part 8710103060 - Non-returnable Retail Price: $5.35 Pro Price Not Shown Part # WVKIT125BS (WVKIT125BS02) Bosch Aquastar Water Valve rebuild kit 125BS Solar Water Valve - LOC 6205 - Part WVKIT125BS (8703406245 and 8708503062 and 2 X 8710103045 and 2 X 8710103043 and 2 X 8703401165 and Package of Dow Lube) - Non-returnable Retail Price: $34.00 Pro Price Not Shown Dow Lube (DOWLUBE00000) Package of Dow Lube - Loc 3615 - Non-returnable Retail Price: $2.95 Pro Price Not Shown Bosch 125BS Technical Support     Bosch 125BS Service Bulletins Return to Bosch Tankless Water Heaters Repair Parts Main Page Retail Prices are shown - once you have an account - then you can see Pro Pricing  Click here for more info!