Retirement Sale - Everything in stock 30% off as of 5.22.23

Free Shipping on Orders Over $200*

Menu

Bosch Aquastar 250SX / 250SXO Tankless Water Heater Repair Parts

Bosch Aquastar 250SX and 250SXO 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 23 Products

View All Bosch BBT Products

- v8639
- Bosch Aquastar 250SX Overheat Sensor (ECO) - 87387171120 - Non-returnable
  
  • Also Known as 8707206204 or 87072062040 • LOC 3415 • Part Works For
  
  870720620400 • View Detail • Free Shipping Eligible • Available: 4
  
  $30.75
- $30.75
  
  Qty
- v8623
- Bosch Aquastar 250SX Temperature Sensor - 8700400015 - Non-returnable
  
  • LOC 3065 • Part Works For
  
  870040001500 • View Detail • Free Shipping Eligible • Available: 4
  
  $54.25
- $54.25
  
  Qty
- v8624
- Bosch Aquastar 250SX Overheat Cutoff Fuse/Temperature Limiter Sensor - 87004000320 - Non-returnable
  
  • Old Part Number was 87004000199 • Part Works For
  
  870040001900 • View Detail • Free Shipping Eligible • Available: 5
  
  $42.75
- $42.75
  
  Qty
- v8615
- Bosch Aquastar 250SX Heat Exchanger - 8705406285 - Non-Returnable
  
  • LOC 3310 • Part Works For
  
  870540628500 • View Detail • Free Ground Shipping • Available: 2
  
  $499.75
- $499.75
  
  Qty
- v8616
- Bosch Aquastar 250SX Control Board - 87072072380 - Non-returnable
  
  • Old Part Number 8707207239 • Also known as 870720726800 or 87072072380 • LOC 3440 • Part Works For
  
  870720713300 • View Detail • Free Ground Shipping • Available: 1
  
  $398.75
- $398.75
  
  Qty
- v8617
- Bosch Aquastar 250SX Water Valve with Engine - LOC 3560 - 8708505018 - Non-returnable
  
  • Also Known as Part Number 87085050180 • LOC 3560 • Part Works For
  
  870850501600 • View Detail • Free Ground Shipping • Available: 4
  
  $229.75
- $229.75
  
  Qty
- v8618
- Bosch Aquastar 250SX Gas Valve - 8707021019 - Non-returnable
  
  • Also known as Part Number 87070210190 • LOC 3690 • Part Works For
  
  870702101999 • View Detail • Free Ground Shipping • Available: 2
  
  $385.75
- $385.75
  
  Qty
- v8629
- Bosch Aquastar 250SX Pipe Connection Clip - 8701201028 - Non-returnable
  
  • LOC 3200 • Part Works For
  
  870120102800 • View Detail • Free Shipping Eligible • Available: 8
  
  $7.75
- $7.75
  
  Qty
- v8635
- Bosch Aquastar 250SX Heat Exchanger Top Gasket - 8704701052 - Non-returnable
  
  • Also Known as Part Number 87047010520 • LOC 3285 • Part Works For
  
  870470105200 • View Detail • Free Shipping Eligible • Available: 3
  
  $43.95
- $43.95
  
  Qty
- v8636
- Bosch Aquastar 250SX Heat Exchanger Bottom Gasket - 8704701054 - Non-returnable
  
  • Also Known as Part Number 87047010540 • LOC 3290 • Part Works For
  
  870470105400 • View Detail • Free Shipping Eligible • Available: 2
  
  $43.95
- $43.95
  
  Qty
- v8620
- Bosch Aquastar 250SX O-ring - 8700205134 - Non-returnable
  
  • LOC 3045 • Part Works For
  
  870020513400 • View Detail • Free Shipping Eligible • Available: 4
  
  $4.50
- $4.50
  
  Qty
- v8621
- Bosch Aquastar 250SX O-ring - 8700205147 - Non-returnable
  
  • Also known as 87002051470 • LOC 3050 • Part Works For
  
  870020514700 • View Detail • Free Shipping Eligible • Available: 3
  
  $5.50
- $5.50
  
  Qty
- v8628
- Bosch Aquastar 250SX Overheat Fuse Clip - 8701201024 - Non-returnable
  
  • LOC 3195 • Part Works For
  
  870120102400 • View Detail • Free Shipping Eligible • Available: 5
  
  $5.75
- $5.75
  
  Qty
- v8631
- Bosch Aquastar 250SX Ignition Cable - 8704401220 - Non-returnable
  
  • LOC 3250 • Part Works For
  
  870440122000 • View Detail • Free Shipping Eligible • Available: 2
  
  $32.75
- $32.75
  
  Qty
- v8641
- Bosch Aquastar 250SX Inlet Outlet Washer - 1/2 Inch - 8710103045 - Non-returnable
  
  • LOC 3570 • Part Works For
  
  871010304500 • View Detail • Free Shipping Eligible • Available: 17
  
  $4.75
- $4.75
  
  Qty
- v8644
- Bosch Aquastar 250SX Gas Valve Washer - 8700103014 - Non-returnable
  
  • LOC 3007 • Part Works For
  
  870010301499 • View Detail • Free Shipping Eligible • Available: 497
  
  $1.00
- $1.00
  
  Qty
- v8646
- Bosch Aquastar 250SX Crossover Tube - 8700715247 - Non-returnable
  
  • LOC 3187 • Part Works For
  
  870071524799 • View Detail • Free Shipping Eligible • Available: 1
  
  $32.75
- $32.75
  
  Qty
- v8649
- Bosch Aquastar 250SX Air Inlet Duct - 8705504116 - Non-returnable
  
  • LOC 3341 • Part Works For
  
  870570009799 • View Detail • Free Shipping Eligible • Available: 1
  
  $72.75
- $72.75
  
  Qty
- v8632
- Bosch Aquastar 250SX Power Supply Cord - 8704401221 - Non-returnable
  
  • LOC 3255 • Part Works For
  
  870440122100 • View Detail • Free Shipping Eligible • Available: 5
  
  $55.75
- $55.75
  
  Qty
- v8642
- Bosch Aquastar 250SX Wireform Spring - 8714606002 - Non-returnable
  
  • LOC 3575 • Part Works For
  
  871460600200 • View Detail • Free Shipping Eligible • Available: 1
  
  $7.75
- $7.75
  
  Qty
- v8643
- Bosch Aquastar 250SX Clip - 8716102607 - Non-returnable
  
  • Also Known as 87161026070 • LOC 3580 • Part Works For
  
  871610260700 • View Detail • Free Shipping Eligible • Available: 9
  
  $8.75
- $8.75
  
  Qty
- v8650
- Bosch Aquastar 250SX Flue Gas Collector Collar - 8705700114 - Non-returnable
  
  • LOC 3342 • Part Works For
  
  870570011499 • View Detail • Free Shipping Eligible • Available: 1
  
  $99.75
- $99.75
  
  Qty
- v9151
- Bosch Aquastar 250SX Bushing - 8703305297 - Non-Returnable
  
  • Also Known as 87033052970 • LOC 3705 • Part Works For
  
  870330529700 • View Detail • Free Shipping Eligible • Available: 3
  
  $28.75
- $28.75
  
  Qty

Load More