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Bosch Aquastar 125HX Tankless Water Heater Repair Parts

Bosch Aquastar 125HX 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 26 Products

View All Bosch BBT Products

- v7460
- Bosch Aquastar 125HX Hydro-Generator - 8707406104 - Non-returnable
  
  • Old Part Number 87074060599 and 87074061040 • LOC 3470 • Part Works For
  
  870740605900 • View Detail • Free Shipping Eligible • Available: 18
  
  $167.75
- $167.75
  
  Qty
- v7470
- Bosch Aquastar Connecting Pipe Hot - 8700715178 - Non-returnable
  
  • Also Known as 87007151780 • LOC 3186 • Part Works For
  
  870071517800 • View Detail • Free Shipping Eligible • Available: 3
  
  $65.75
- $65.75
  
  Qty
- v7474
- Bosch Aquastar 125HX Pilot Tube - 8700707370 - Non-returnable
  
  • LOC 3170 • Part Works For
  
  870070737000 • View Detail • Free Shipping Eligible • Available: 2
  
  $26.95
- $26.95
  
  Qty
- v7484
- Bosch Aquastar 125HX Pilot Electrovalve - 8708501249 - Non-returnable
  
  • LOC 3540 • Part Works For
  
  870850124900 • View Detail • Free Shipping Eligible • Available: 1
  
  $67.95
- $67.95
  
  Qty
- v7487
- Bosch Aquastar 125HX O-Ring - 8700205119 - Non-returnable
  
  • LOC 3035 • Part Works For
  
  870020511900 • View Detail • Free Shipping Eligible • Available: 3
  
  $5.25
- $5.25
  
  Qty
- v7488
- Bosch Aquastar 125HX Electronic Control Box - 8707207142 - Non-returnable
  
  • Old Part Number 87072071420 and 8707207085 • LOC 3445 • Part Works For
  
  870720714200 • View Detail • Free Ground Shipping • Available: 1
  
  $246.75
- $246.75
  
  Qty
- v7489
- Bosch Aquastar 125HX Set of Cables - 8704404038 - Non-returnable
  
  • LOC 3265 • Part Works For
  
  870440403800 • View Detail • Free Shipping Eligible • Available: 2
  
  $29.75
- $29.75
  
  Qty
- v7490
- Bosch Aquastar 125HX Flue Gas Sensor - 8707206345 - Non-returnable
  
  • LOC 3430 • Part Works For
  
  870720634500 • View Detail • Free Shipping Eligible • Available: 1
  
  $74.75
- $74.75
  
  Qty
- v7491
- Bosch Aquastar 125HX Flame Sensor Cable - 8704404040 - Non-returnable
  
  • LOC 3275 • Part Works For
  
  870440404000 • View Detail • Free Shipping Eligible • Available: 1
  
  $17.75
- $17.75
  
  Qty
- v7492
- Bosch Aquastar 125HX Electrode Cable - 8704404039 - Non-returnable
  
  • LOC 3270 • Part Works For
  
  870440403900 • View Detail • Free Shipping Eligible • Available: 2
  
  $19.75
- $19.75
  
  Qty
- v7500
- Bosch Aquastar 125HX Water Valve 2 port - 8707006353 - Non-returnable
  
  Older model, check manual - • Also Known as Part Number 8707006353 • LOC 3376 • Part Works For
  
  870700635399 • View Detail • Free Ground Shipping • Available: 3
  
  $264.75
- $264.75
  
  Qty
- v7469
- Bosch Aquastar 125HX Cold Water Pipe - 8700705947 - Non-returnable
  
  • LOC 3150 • Part Works For
  
  870070594700 • View Detail • Free Shipping Eligible • Available: 2
  
  $33.95
- $33.95
  
  Qty
- v7501
- Bosch Aquastar 125HX Gas Valve LP - 8707011945 - Non-returnable
  
  • Also Known as 87070119450 • LOC 7084 • Part Works For
  
  870701194599 • View Detail • Free Ground Shipping • Available: 2
  
  $415.75
- $415.75
  
  Qty
- v7493
- Bosch Aquastar Piezo Electrode and Flame Rod Sensor - 87181070670 - Non-returnable
  
  • Old Part Number was 8708107006 • Includes Piezo Electrode and Flame Rod Sensor • LOC 3485 • Part Works For
  
  870810700600 • View Detail • Free Shipping Eligible • Available: 6
  
  $27.75
- $27.75
  
  Qty
- v12839
- Bosch Aquastar 1600H O-Ring - 87002051330 - Non-returnable
  
  • Loc 3038 • Part Works For
  
  870020513300 • View Detail • Free Shipping Eligible • Available: 7
  
  $5.50
- $5.50
  
  Qty
- v7307
- Bosch Aquastar Inlet Filter Screen - 8700507001 - Non-returnable
  
  • Old Part Number 87005070010 • LOC 3095 • Part Works For
  
  870050700999 • View Detail • Free Shipping Eligible • Available: 26
  
  $6.75
- $6.75
  
  Qty
- v7510
- Bosch Aquastar Water Valve Rebuild Kit for 125HX Poly Water Valve - 7738001917 - WVKIT125HXPWV - Non-returnable
  
  • Kit does not include a Inlet Filter or Water Valve • LOC 6220 • Part Works For
  
  WVKIT125HX02 • View Detail • Free Shipping Eligible
  
  $63.75
- $63.75
  
  Qty
- v7059
- Bosch Aquastar Pilot Assembly NG or LP - 8718105051 - Non-returnable
  
  • Old Part Number 87181050510 • This Pilot Assembly does not include the Pilot Injector • See NG Pilot Injector 8708200005 or LP Pilot Injector 8748200173 • LOC 3585 • Part Works For
  
  871810505999 • View Detail • Free Shipping Eligible • Available: 7
  
  $32.75
- $32.75
  
  Qty
- v7049
- Bosch Aquastar 125B Water Valve Set Screw - 8703401165 - Non-returnable
  
  • Old Part Number 8703401051 • LOC 3220 • Part Works For
  
  870340105999 • View Detail • Free Shipping Eligible • Available: 22
  
  $8.95
- $8.95
  
  Qty
- v7053
- Bosch Aquastar 125B Water Elbow Fitting - 8700703114 - non-returnable
  
  • Old Part Number 87007031140 • LOC 3120 • Part Works For
  
  870070311400 • View Detail • Free Shipping Eligible • Available: 3
  
  $90.75
- $90.75
  
  Qty
- v7311
- Bosch Aquastar Outlet Flex Hose - 87007031399 - Non-returnable
  
  • Old Part Number 8700703130 & 87007031390 • LOC 3125 • Part Works For
  
  870070313999 • View Detail • Free Shipping Eligible • Available: 3
  
  $62.95
- $62.95
  
  Qty
- v7426
- Bosch Aquastar 125X Pilot Injector Propane Gas - 8708200312 - Non-returnable
  
  • Old Part Number was 8748200312 and 87082003120 • LOC 3515 • Part Works For
  
  870820031200 • View Detail • Free Shipping Eligible • Available: 6
  
  $6.75
- $6.75
  
  Qty
- v7482
- Bosch Aquastar 125HX Pilot Air Screen - LOC 3105 - 8700507055 - Non-returnable
  
  • Also Known as 87005070550 • LOC 3105 • Part Works For
  
  870050755994 • View Detail • Free Shipping Eligible
- $5.95
- v7531
- Bosch Aquastar 125FX Pilot Tube Gasket - 8700103173 - Non-returnable
  
  • LOC 3015 • Part Works For
  
  870010317300 • View Detail • Free Shipping Eligible • Available: 56
  
  $3.95
- $3.95
  
  Qty
- v7431
- Bosch Aquastar 125X Burner Electrovalve - 8708501250 - Non-returnable
  
  • Also Known as Part number 87085012500 • LOC 3545 • Part Works For
  
  870850125000 • View Detail • Free Shipping Eligible • Available: 2
  
  $77.75
- $77.75
  
  Qty
- v13255
- Bosch Aquastar 125B Regulator Natural Gas - LOC 3000 - 7738000883 - Non-returnable
  
  • Old Part Number 8342400000 • LOC 3000 • Part Works For
  
  834240000999 • View Detail • Free Shipping Eligible • Available: 3
  
  $67.75
- $67.75
  
  Qty

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