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Bosch Aquastar 125BS / 1600PS Tankless Water Heater Repair Parts

Bosch Aquastar 125BS or 1600PS Solar Gas Tankless Water Heater Repair Parts.

Water Heater repair parts ship via Fedex or USPS. Most small, light weight parts on this page ship via USPS. Please be sure to provide us with a valid postal address if it's different than the UPS address.

Most shipments are received within 2 to 10 business days.

Warning! All parts are non-returnable!

Viewing 18 Products

View All Bosch BBT Products

- v7974
- Bosch Aquastar 125BS Solar Water Valve Pushrod - 8703406245 - Non-returnable
  
  • Old Part Number 8703406204 • LOC 3235 • Part Works For
  
  870340620400 • View Detail • Free Shipping Eligible • Available: 2
  
  $19.75
- $19.75
  
  Qty
- v7980
- Bosch Aquastar 125BS Solar Water Valve Set Screw - 8703404092 - Non-returnable
  
  • LOC 3225 • Part Works For
  
  870340409200 • View Detail • Free Shipping Eligible • Available: 2
  
  $25.75
- $25.75
  
  Qty
- v7992
- Bosch Aquastar 125BS Solar Pilot Tube - 8710707166 - Non-returnable
  
  • Old Number was 8700707320 • LOC 3161 • Part Works For
  
  870070733400 • View Detail • Free Shipping Eligible
  
  $39.75
- $39.75
  
  Qty
- v7976
- Bosch Aquastar 125BS Water Connections Gasket - 8710103043 - Non-returnable
  
  • Also Known as 87101030430 • Part Works For
  
  871010304997 • View Detail • Free Shipping Eligible
  
  $4.75
- $4.75
  
  Qty
- v7977
- Bosch Aquastar 125BS Water Valve Set Screw - 8703401165 - Non-returnable
  
  • Old Part Number 8703401051 • LOC 3220 • Part Works For
  
  870340105997 • View Detail • Free Shipping Eligible
  
  $8.95
- $8.95
  
  Qty
- v7978
- Bosch Aquastar 125BS Water Valve Diaphragm - 8700503100 - Non-returnable
  
  • LOC 3085 • Part Works For
  
  870050310007 • View Detail • Free Shipping Eligible
  
  $12.75
- $12.75
  
  Qty
- v7982
- Bosch Aquastar 125BS Inlet Filter - 8700507059 - Non-returnable
  
  • Also known as 87005070590 • LOC 3110 • Part Works For
  
  870050705997 • View Detail • Free Shipping Eligible
  
  $14.75
- $14.75
  
  Qty
- v7983
- Bosch Aquastar 125BS Water Elbow Fitting - 8700703114 - non-returnable
  
  • Old Part Number 87007031140 • LOC 3120 • Part Works For
  
  870070311407 • View Detail • Free Shipping Eligible • Available: 0
  
  $90.75
- $90.75
  
  Qty
- v7984
- Bosch Aquastar 125BS Cold Water Pipe - 8700705294 - Non-returnable
  
  • LOC 3130 • Part Works For
  
  870070529997 • View Detail • Free Shipping Eligible
  
  $31.95
- $31.95
  
  Qty
- v7987
- Bosch Aquastar 125BS Pilot Assembly NG or LP - 8718105051 - Non-returnable
  
  • Does not include Pilot Injector • Also Known as Part Number 87181050510 • LOC 3585 • Part Works For
  
  871810505997 • View Detail • Free Shipping Eligible
  
  $32.75
- $32.75
  
  Qty
- v7988
- Bosch Aquastar 125BS Piezo Electrode - 8708107002 - Non-returnable
  
  • Also Known as 87081070020 • LOC 3480 • Part Works For
  
  870810700997 • View Detail • Free Shipping Eligible
  
  $18.75
- $18.75
  
  Qty
- v7989
- Bosch Aquastar 125BS Pilot Air Screen - 8700507055 - Non-returnable
  
  • Also Known as Part Number 87005070550 • LOC 3105 • Part Works For
  
  870050755997 • View Detail • Free Shipping Eligible
  
  $5.95
- $5.95
  
  Qty
- v7990
- Bosch Aquastar 125BS Pilot Injector Natural Gas - 8708200005 - Non-returnable
  
  • Also Known as Part Number 87082000050 • LOC 3500 • Part Works For
  
  870820000997 • View Detail • Free Shipping Eligible
  
  $5.75
- $5.75
  
  Qty
- v7991
- Bosch Aquastar 125BS Pilot Injector - Propane Gas - 8748200173 - Non-returnable
  
  • LOC 3610 • Part Works For
  
  874820017997 • View Detail • Free Shipping Eligible
  
  $7.75
- $7.75
  
  Qty
- v8001
- Bosch Aquastar 125BS Regulator Natural Gas - 8342400000 - Non-returnable
  
  • LOC 3000 • Part Works For
  
  834240000997 • View Detail • Free Shipping Eligible
  
  $67.75
- $67.75
  
  Qty
- v8002
- Bosch Aquastar 125BS Regulator Propane Gas - 7738000884 - Non-returnable
  
  • Old number Part Number 8345520000 • LOC 3005 • Part Works For
  
  834552000997 • View Detail • Free Shipping Eligible
  
  $62.75
- $62.75
  
  Qty
- v8008
- Bosch Aquastar 125BS Inlet Outlet Washer - 1/2 Inch - 8710103045 - Non-returnable
  
  • LOC 3570 • Part Works For
  
  871010304507 • View Detail • Free Shipping Eligible
  
  $4.75
- $4.75
  
  Qty
- v8009
- Bosch Aquastar 125BS Burner Assembly Washer - 8710103060 - Non-returnable
  
  • LOC 3571 • Part Works For
  
  871010306097 • View Detail • Free Shipping Eligible
  
  $4.95
- $4.95
  
  Qty

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