Bosch Water Heating Miscellaneous Repair Parts

Bosch Water Heating Repair Parts for Miscellaneous Heaters such as Bosch Pro, PowerStar Pro, Bosch Boilers and more.

Please go by the Bosch number or picture, as these parts are non-returnable.

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 16 Products

View All Bosch BBT Products

- v11119
- Bosch Printed Circuit Board for 345 and 450 ESR - LOC 5165 - 8708300193 - Non-Retunable
  
  • Part Works For
  
  870830019300 • View Detail • Free Ground Shipping
  
  $345.75
- $345.75
  
  Qty
- v11247
- Bosch Ignition Unit - 87072071920 - Non-returnable
  
  • Old Part Number was 8707207078 • LOC 3988 • Part Works For
  
  870720707800 • View Detail • Free Shipping Eligible
  
  $179.75
- $179.75
  
  Qty
- v11118
- Bosch Part Gas Conversion Kit 635/250 - 8719002176 - Non-returnable
  
  • Also Known as part number 87190021760 • LOC 8140 • Part Works For
  
  871900217600 • View Detail • Free Shipping Eligible
  
  $29.75
- $29.75
  
  Qty
- v11120
- Bosch Pro Tankless 425HN Ignition Unit - (Old Number was 8707207272) 8738716327 - Non-returnable
  
  • Old Number was 8707207272 • LOC 8100 • Part Works For
  
  870720727200 • View Detail • Free Ground Shipping
  
  $223.75
- $223.75
  
  Qty
- v11123
- Bosch Part Window Observation - 8705600007 - Non-returnable
  
  • Also Known as Part number 87056000070 • Part Works For
  
  870560000700 • View Detail • Free Shipping Eligible
  
  $33.75
- $33.75
  
  Qty
- v11125
- Bosch Aquastar Power Adjustment Knob - 8702000297 - Non-returnable
  
  • Also Known as Part number 87020002970
  
  870200029700 • View Detail • Free Shipping Eligible
  
  $14.95
- $14.95
  
  Qty
- v11126
- Bosch Aquastar Temperature Adjustment Knob - 8702000295 - Non-returnable
  
  • Also Known as part number 87020002950 • LOC 8160
  
  870200029500 • View Detail • Free Shipping Eligible
  
  $23.95
- $23.95
  
  Qty
- v11140
- Bosch Aquastar Water Valve Kit - 7738001912 - WVKIT125BL - Non-returnable
  
  • LOC 8170 • Part Works For
  
  WVKIT125BL00 • View Detail • Free Shipping Eligible
  
  $121.75
- $121.75
  
  Qty
- v11468
- Bosch Tankless Water Heater 425HN Heat Exchanger - 8705406386 - Non-returnable
  
  • Also Known as 87054063860 • LOC 3710 • Part Works For
  
  870540638642 • View Detail • Free Ground Shipping
  
  $382.75
- $382.75
  
  Qty
- v11128
- Bosch Aquastar 125BL Water Valve - 87070024780 - Non-returnable
  
  • Part Works For
  
  870700247800 • View Detail • Free Ground Shipping
  
  $355.75
- $355.75
  
  Qty
- v11132
- Bosch Aquastar 125BL Water Valve Diaphragm - 8700503043 - Non-returnable
  
  • LOC 8150 • Part Works For
  
  870050304300 • View Detail • Free Shipping Eligible
  
  $40.75
- $40.75
  
  Qty
- v11986
- Bosch Tankless Water Heater 920 Control Board - 87072073670 - Non-returnable
  
  • Also Known as part number 87072073050 • LOC 5170 • Part Works For
  
  870720730500 • View Detail • Free Ground Shipping
  
  $365.75
- $365.75
  
  Qty
- v12840
- Bosch Pro Tankless 425HN NG Gas Valve 87070213950 - Non-returnable
  
  • Part Works For
  
  870702139500 • View Detail • Free Shipping Eligible
  
  $150.75
- $150.75
  
  Qty
- v13700
- Bosch Aquastar 125BL Water Valve Pushrod- 87034062460 - Non-returnable
  
  • LOC 3238 • Part Works For
  
  870340624600 • View Detail • Free Shipping Eligible
  
  $28.75
- $28.75
  
  Qty
- v13701
- Bosch Aquastar 125BL Water Valve Slow Ignition Valve - 87085030600 - Non-returnable
  
  • LOC 3559 • Part Works For
  
  870850306000 • View Detail • Free Shipping Eligible
  
  $78.75
- $78.75
  
  Qty
- v14771
- Bosch Part Temperature Sensor - 87004000420 - Non-returnable
  
  • Part Works For
  
  870040004200 • View Detail • Free Shipping Eligible
  
  $45.75
- $45.75
  
  Qty