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Bosch Aquastar 2700ES Tankless Water Heater Repair Parts

Bosch Aquastar 2700ES 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 85 Products

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- v6661
- Bosch Aquastar 2700ES Overheat Cutoff Fuse/Temperature Limiter Sensor - 8700400032 - Non-returnable
  
  • LOC 3070 • Part Works For
  
  870040001927 • View Detail • Free Shipping Eligible
  
  $42.75
- $42.75
  
  Qty
- v6613
- Bosch Aquastar 2700ES Control Unit - 87072073680 - Non-Returnable
  
  • Old Part Number was 8707207257 • LOC 5155 • Part Works For
  
  870720725700 • View Detail • Free Ground Shipping
  
  $339.75
- $339.75
  
  Qty
- v6598
- Bosch Aquastar 2700ES Washer - 8700103764 - Non-Returnable
  
  • LOC 3965 • Part Works For
  
  870010376400 • View Detail • Free Shipping Eligible
  
  $4.95
- $4.95
  
  Qty
- v6600
- Bosch Aquastar 2700ES O-ring - 8700205231 - Non-Returnable
  
  • LOC 3970 • Part Works For
  
  870020523100 • View Detail • Free Shipping Eligible
  
  $4.75
- $4.75
  
  Qty
- v6614
- Bosch Aquastar 2700ES Water Valve with Engine - 8708505024 - Non-Returnable
  
  • Also known as Part Number 87085050240 • LOC 5140 • Part Works For
  
  870850502400 • View Detail • Free Shipping Eligible
  
  $191.75
- $191.75
  
  Qty
- v6643
- Bosch Aquastar 2700ES Overheat Sensor (ECO) - 87387171120 - Non-returnable
  
  • LOC 3415 • Also Known as 87072062040 or 8707206204 • Part Works For
  
  870720620427 • View Detail • Free Shipping Eligible
  
  $30.75
- $30.75
  
  Qty
- v6645
- Bosch Aquastar 2700ES Ignition Group - 8701302249 - Non-Returnable
  
  • LOC 3945 • Part Works For
  
  870130224927 • View Detail • Free Shipping Eligible
  
  $49.75
- $49.75
  
  Qty
- v6655
- Bosch Aquastar 2700ES Temperature Sensor - 8700400015 - Non-returnable
  
  • LOC 3065 • Part Works For
  
  870040001527 • View Detail • Free Shipping Eligible
  
  $54.25
- $54.25
  
  Qty
- v6656
- Bosch Aquastar 27000ES Inlet Outlet Washer - 8710103045 - Non-returnable
  
  • LOC 3570 • Part Works For
  
  871010304527 • View Detail • Free Shipping Eligible
  
  $4.75
- $4.75
  
  Qty
- v6657
- Bosch Aquastar 2700ES Clip - 8716102607 - Non-returnable
  
  • LOC 3580 • Part Works For
  
  871610260727 • View Detail • Free Shipping Eligible
  
  $8.75
- $8.75
  
  Qty
- v6658
- Bosch Aquastar 2700ES Inlet Filter - 8700507059 - Non-returnable
  
  • LOC 3110 • Part Works For
  
  870050705955 • View Detail • Free Shipping Eligible
  
  $14.75
- $14.75
  
  Qty
- v6608
- Bosch Aquastar 2700ES Jumper - 8704401376 - Non-Returnable
  
  • Also Known As Part 87044013760 • LOC 3972 • Part Works For
  
  870440137600 • View Detail • Free Shipping Eligible
  
  $14.95
- $14.95
  
  Qty
- v6587
- Bosch Aquastar 2700ES Heat Exchanger - 87387019850 - Non-Returnable
  
  • LOC 3928 • Part Works For
  
  870540642200 • View Detail • Free Ground Shipping
  
  $498.75
- $498.75
  
  Qty
- v6599
- Bosch Aquastar 2700ES O-ring - 8700205157 - Non-Returnable
  
  • LOC 5150 • Part Works For
  
  870020515700 • View Detail • Free Shipping Eligible
  
  $4.55
- $4.55
  
  Qty
- v6611
- Bosch Aquastar 2700ES Exhaust Backflow Temperature Sensor - LOC 3935 - 8707206459 - Non-Returnable
  
  • Also Known as 87072064590 • LOC 3935 • Part Works For
  
  870720645900 • View Detail • Free Shipping Eligible
  
  $59.75
- $59.75
  
  Qty
- v6619
- Bosch Aquastar 2700ES Main Burner - 8708120642 - Non-Returnable
  
  • LOC 3968 • Part Works For
  
  870812064200 • View Detail • Free Ground Shipping
  
  $285.75
- $285.75
  
  Qty
- v6642
- Bosch Aquastar 2700ES Heat Exchanger Top Gasket - 8704701052 - Non-returnable
  
  • LOC 3285 • Part Works For
  
  870470105270 • View Detail • Free Shipping Eligible
  
  $43.95
- $43.95
  
  Qty
- v6644
- Bosch Aquastar 2700ES Heat Exchanger Bottom Gasket - 8704701054 - Non-returnable
  
  • LOC 3290 • Part Works For
  
  870470105427 • View Detail • Free Shipping Eligible
  
  $43.95
- $43.95
  
  Qty
- v6654
- Bosch Aquastar 2700ES Pipe Connection Clip - 8701201028 - Non-returnable
  
  • LOC 3200 • Part Works For
  
  870120102827 • View Detail • Free Shipping Eligible
  
  $7.75
- $7.75
  
  Qty
- v12538
- Bosch Aquastar 2700ES Electrode Washer - 87047010880 - Non-Returnable
  
  • LOC 3709 • Part Works For
  
  870470108827 • View Detail • Free Shipping Eligible
  
  $6.50
- $6.50
  
  Qty
- v6601
- Bosch Aquastar 2700ES Gas Filter - 8700507002 - Non-Returnable
  
  • LOC 3940 • Part Works For
  
  870050700200 • View Detail • Free Shipping Eligible
  
  $2.75
- $2.75
  
  Qty
- v6602
- Bosch Aquastar 2700ES Hot Water Pipe - 8700715469 - Non-Returnable
  
  • Old Part Number was 8700715392 • LOC 3952 • Part Works For
  
  870071539200 • View Detail • Free Shipping Eligible
  
  $36.75
- $36.75
  
  Qty
- v6603
- Bosch Aquastar 2700ES Cold Water Pipe - 8700715394 - Non-Returnable
  
  • LOC 3962 • Part Works For
  
  870071539400 • View Detail • Free Shipping Eligible
  
  $46.75
- $46.75
  
  Qty
- v6605
- Bosch Aquastar 2700ES Mounting Bracket - 8701309164 - Non-Returnable
  
  • Also Known as Part Number 87013091640 • LOC 5125 • Part Works For
  
  870130916400 • View Detail • Free Shipping Eligible
  
  $19.75
- $19.75
  
  Qty
- v6606
- Bosch Aquastar 2700ES Inlet Fitting with Filter - 8703305356 - Non-Returnable
  
  • LOC 5145 • Part Works For
  
  870330535600 • View Detail • Free Shipping Eligible
  
  $118.75
- $118.75
  
  Qty
- v6607
- Bosch Aquastar 2700ES Secondary Fan Screw - 8703403012 - Non-Returnable
  
  • LOC 5135 • Part Works For
  
  870340301200 • View Detail • Free Shipping Eligible
  
  $13.75
- $13.75
  
  Qty
- v6610
- Bosch Aquastar 2700ES Primary Fan - 8707204071 - Non-Returnable
  
  • Also Known as Part Number 87072040710 • LOC 3922 • Part Works For
  
  870720407100 • View Detail • Free Ground Shipping
  
  $430.75
- $430.75
  
  Qty
- v6620
- Bosch Aquastar 2700ES Rubber Grommet - 8710303027 - Non-Returnable
  
  • LOC 3942 • Part Works For
  
  871030302700 • View Detail • Free Shipping Eligible
  
  $12.75
- $12.75
  
  Qty
- v6626
- Bosch Aquastar 2700ES Wire Harness - 8704401348 - Non-Returnable
  
  • LOC 3954 • Part Works For
  
  870440134800 • View Detail • Free Shipping Eligible
  
  $96.75
- $96.75
  
  Qty
- v6630
- Bosch Aquastar 2700ES Burner Gasket - 8704701087 - Non-Returnable
  
  • LOC 3927 • Part Works For
  
  870470108700 • View Detail • Free Shipping Eligible
  
  $11.75
- $11.75
  
  Qty
- v6647
- Bosch Aquastar 2700ES Main Burner - 8708120699 - Non-Returnable
  
  • LOC 3938 • Part Works For
  
  870812069900 • View Detail • Free Ground Shipping
  
  $349.00
- $349.00
  
  Qty
- v6649
- Bosch Aquastar 2700ES Air Duct O-Ring - 8700205149 - Non-returnable
  
  • LOC 3055 • Part Works For
  
  870020514927 • View Detail • Free Shipping Eligible
  
  $5.75
- $5.75
  
  Qty
- v6651
- Bosch Aquastar 2700ES Gas Valve - 8707021019 - Non-returnable
  
  • LOC 3690 • Part Works For
  
  870702101927 • View Detail • Free Ground Shipping
  
  $385.75
- $385.75
  
  Qty
- v6652
- Bosch Aquastar 2700ES Gas Valve Washer - 8700103014 - Non-returnable
  
  • LOC 3007 • Part Works For
  
  870010301427 • View Detail • Free Shipping Eligible
  
  $1.00
- $1.00
  
  Qty
- v6653
- Bosch Aquastar 2700ES Washer - 8704701062 - Non-returnable
  
  • LOC 3990 • Part Works For
  
  870470106227 • View Detail • Free Shipping Eligible
  
  $5.75
- $5.75
  
  Qty
- v6660
- Bosch Aquastar 2700ES Fuse T2.5A - 1904521342 - Non-returnable
  
  • LOC 3645 • Part Works For
  
  890452134227 • View Detail • Free Shipping Eligible
  
  $8.75
- $8.75
  
  Qty
- v6662
- Bosch Aquastar 2700ES Water Valve Cascade - 87085050230 - Non-Returnable
  
  • LOC 3978 • Part Works For
  
  870850502300 • View Detail • Free Ground Shipping
  
  $258.75
- $258.75
  
  Qty
- v6663
- Bosch Aquastar 2700ES Inlet Air Gasket - 8700103166 - Non-Returnable
  
  • LOC 3924 • Part Works For
  
  870010316600 • View Detail • Free Shipping Eligible
  
  $4.75
- $4.75
  
  Qty
- v6676
- Bosch Aquastar 2700ES Wireform Spring - 8701300025 - Non-Returnable
  
  • LOC 5160 • Part Works For
  
  870118110590 • View Detail • Free Shipping Eligible
  
  $4.95
- $4.95
  
  Qty
- v6588
- Bosch Aquastar 2700ES Fan Mount Nut - 2915011006 - Non-Returnable
  
  • LOC 3930 • Part Works For
  
  291501100600 • View Detail • Free Shipping Eligible
  
  $11.70
- $11.70
  
  Qty
- v6597
- Bosch Aquastar 2700ES Anti Freeze Kit - 7709003665 - Non-Returnable
  
  • Part Works For
  
  770900366500 • View Detail • Free Shipping Eligible
  
  $52.95
- $52.95
  
  Qty
- v6604
- Bosch Aquastar 2700ES Site Window - 8701000401 - Non-Returnable
  
  • LOC 3912 • Part Works For
  
  870100040100 • View Detail • Free Shipping Eligible
  
  $35.95
- $35.95
  
  Qty
- v6609
- Bosch Aquastar 2700ES Exhaust Accessory - 8705504162 - Non-Returnable
  
  • LOC 5115 • Part Works For
  
  870550416200 • View Detail • Free Shipping Eligible
  
  $95.75
- $95.75
  
  Qty
- v6612
- Bosch Aquastar 2700ES Secondary Fan - 8707204072 - Non-Returnable
  
  • Also Known as 87072040720 • LOC 5130 • Part Works For
  
  870720407200 • View Detail • Free Shipping Eligible
  
  $185.75
- $185.75
  
  Qty
- v6615
- Bosch Aquastar 2700ES Gasket Exhaust - 8700103710 - Non-returnable
  
  • LOC 3025 • Part Works For
  
  870010371270 • View Detail • Free Shipping Eligible
  
  $25.75
- $25.75
  
  Qty
- v6616
- Bosch Aquastar 2700ES Air Inlet Duct - 8705504116 - Non-returnable
  
  • LOC 3341 • Part Works For
  
  870550411627 • View Detail • Free Shipping Eligible
  
  $72.75
- $72.75
  
  Qty
- v6621
- Bosch Aquastar 2700ES Power Supply Cables - 8704401371 - Non-Returnable
  
  • Part Works For
  
  870440137100 • View Detail • Free Shipping Eligible
  
  $25.75
- $25.75
  
  Qty
- v6624
- Bosch Aquastar 2700ES Electrode Cables - 8704401346 - Non-Returnable
  
  • LOC 3929 • Part Works For
  
  870440134600 • View Detail • Free Shipping Eligible
  
  $35.75
- $35.75
  
  Qty
- v6625
- Bosch Aquastar 2700ES Fan Cables - 8704401347 - Non-Returnable
  
  • Part Works For
  
  870440134700 • View Detail • Free Shipping Eligible
  
  $50.75
- $50.75
  
  Qty
- v6627
- Bosch Aquastar 2700ES Power Supply Cord - 8704401378 - Non-Returnable
  
  • Part Works For
  
  870440137800 • View Detail • Free Shipping Eligible
  
  $43.75
- $43.75
  
  Qty
- v6636
- Bosch Aquastar 2700ES Air Supply Duct - 8705700155 - Non-Returnable
  
  • Part Works For
  
  870570015500 • View Detail • Free Shipping Eligible
  
  $101.75
- $101.75
  
  Qty
- v6637
- Bosch Aquastar 2700ES Secondary Fan - Natural Gas Only - 8707204094 - Non-Returnable
  
  • This Part is Drop shipped from the Manufacturer • Part Works For
  
  870720409427 • View Detail • Free Shipping Eligible
  
  $194.75
- $194.75
  
  Qty
- v6646
- Bosch Aquastar 2700ES O-ring - 8700205147 - Non-returnable
  
  • LOC 3050 • Part Works For
  
  870020514727 • View Detail • Free Shipping Eligible
  
  $5.50
- $5.50
  
  Qty
- v6648
- Bosch Aquastar 2700ES Air/Gas Mixer Port - 8705700170 - Non-Returnable
  
  • Part Works For
  
  870570017000 • View Detail • Free Shipping Eligible
  
  $51.75
- $51.75
  
  Qty
- v6650
- Bosch Aquastar 2700ES Mixer/Fan Gasket - LOC 3796 - 8704701059 - Non-returnable
  
  • LOC 3796
  
  870470105927 • View Detail • Free Shipping Eligible
  
  $17.75
- $17.75
  
  Qty
- v6668
- Bosch Aquastar 2700ES Venturi - 8700306226 - Non-Returnable
  
  • Part Works For
  
  870030622600 • View Detail • Free Shipping Eligible
  
  $31.75
- $31.75
  
  Qty
- v6670
- Bosch Aquastar 2700ES Fuse T1.6A - 8700609008 - Non-Returnable
  
  • Part Works For
  
  870060900800 • View Detail • Free Shipping Eligible
  
  $13.75
- $13.75
  
  Qty
- v6673
- Bosch Aquastar 2700ES Plate Gasket - 8701004049 - Non-Returnable
  
  • LOC 3944 • Part Works For
  
  870100404900 • View Detail • Free Shipping Eligible
  
  $13.75
- $13.75
  
  Qty
- v6678
- Bosch Aquastar 2700ES Outlet Fitting - 8703305349 - Non-Returnable
  
  • LOC 3926 • Part Works For
  
  870330534900 • View Detail • Free Shipping Eligible
  
  $46.75
- $46.75
  
  Qty
- v11142
- Bosch AquaStar Therm Temperature Remote Controller - 7709003213 TSTAT2
  
  • Part Works For
  
  250REMOTE999 • View Detail • Free Ground Shipping
  
  $225.75
- $225.75
  
  Qty
- v11143
- Bosch Outdoor Installation Kit for Gas Water Heaters - AQOK
  
  • Part Works For
  
  AQOK00000001 • View Detail • Free Shipping Eligible
  
  $142.75
- $142.75
  
  Qty
- v6622
- Bosch Aquastar 2700ES Pressure Tapping - 8703404219 - Non-Returnable
  
  • Part Works For
  
  870340421900 • View Detail • Free Shipping Eligible
  
  $17.75
- $17.75
  
  Qty
- v6623
- Bosch Aquastar 2700ES Regulation Screw - 8703404220 - Non-Returnable
  
  • Part Works For
  
  870340422000 • View Detail • Free Shipping Eligible
  
  $15.75
- $15.75
  
  Qty
- v6628
- Bosch Aquastar 2700ES Combustion Cover Gasket - 8704701084 - Non-Returnable
  
  • This part is Drop shipped by the Manufacturer. • Part Works For
  
  870470108400 • View Detail • Free Shipping Eligible
  
  $22.75
- $22.75
  
  Qty
- v6629
- Bosch Aquastar 2700ES Gasket - 8704701085 - Non-Returnable
  
  • Part Works For
  
  870470108500 • View Detail • Free Shipping Eligible
  
  $16.75
- $16.75
  
  Qty
- v6631
- Bosch Aquastar 2700ES Washer - 8704701097 - Non-Returnable
  
  • Part Works For
  
  870470109700 • View Detail • Free Shipping Eligible
  
  $15.75
- $15.75
  
  Qty
- v6632
- Bosch Aquastar 2700ES Gas/Fan Connector - 8705202140 - Non-Returnable
  
  • Part Works For
  
  870520214000 • View Detail • Free Ground Shipping
  
  $379.75
- $379.75
  
  Qty
- v6634
- Bosch Aquastar 2700ES Cover Shield - 705506862 - Non-Returnable
  
  • Part Works For
  
  870550686200 • View Detail • Free Shipping Eligible
  
  $17.75
- $17.75
  
  Qty
- v6635
- Bosch Aquastar 2700ES Flue Gas Collector - 8705700153 - Non-Returnable
  
  • Part Works For
  
  870570015300 • View Detail • Free Shipping Eligible
  
  $134.95
- $134.95
  
  Qty
- v6638
- Bosch Aquastar 2700ES Inlet Air Cover - 8708006022 - Non-Returnable
  
  • Part Works For
  
  870800602200 • View Detail • Free Shipping Eligible
  
  $32.75
- $32.75
  
  Qty
- v6639
- Bosch Aquastar 2700ES Holding Bracket - 8708104103 - Non-Returnable
  
  • This Part is Drop shipped from the Manufacturer • Part Works For
  
  870810410300 • View Detail • Free Shipping Eligible
  
  $13.75
- $13.75
  
  Qty
- v6640
- Bosch Aquastar 2700ES Print Circuit Transceiver (optional) - 8708300123 - Non-Returnable
  
  • Part Works For
  
  870830012300 • View Detail • Free Ground Shipping
  
  $439.75
- $439.75
  
  Qty
- v6641
- Bosch Aquastar 2700ES Grommet Set - 8710203039 - Non-Returnable
  
  • This Part is Drop shipped from the Manufacturer • Part Works For
  
  871020303900 • View Detail • Free Shipping Eligible
  
  $14.75
- $14.75
  
  Qty
- v6664
- Bosch Aquastar 2700ES Shaped Seal (optional) - 8700201012 - Non-Returnable
  
  • Part Works For
  
  870020101200 • View Detail • Free Shipping Eligible
  
  $24.75
- $24.75
  
  Qty
- v6665
- Bosch Aquastar 2700ES Washer - 8700203041 - Non-Returnable
  
  • Part Works For
  
  870020304100 • View Detail • Free Shipping Eligible
  
  $17.75
- $17.75
  
  Qty
- v6666
- Bosch Aquastar 2700ES O-ring - 8700205009 - Non-Returnable
  
  • Part Works For
  
  870020500900 • View Detail • Free Shipping Eligible
  
  $17.75
- $17.75
  
  Qty
- v6667
- Bosch Aquastar 2700ES O-ring - 8700205224 - Non-Returnable
  
  • Part Works For
  
  870020522400 • View Detail • Free Shipping Eligible
  
  $20.75
- $20.75
  
  Qty
- v6669
- Bosch Aquastar 2700ES Combustion Cover - 8700506300 - Non-Returnable
  
  • This Part is Drop shipped from the Manufacturer • Part Works For
  
  870050630000 • View Detail • Free Shipping Eligible
  
  $59.95
- $59.95
  
  Qty
- v6671
- Bosch Aquastar 2700ES Pressure Balance Tube - 8700703136 - Non-Returnable
  
  • Part Works For
  
  870070313600 • View Detail • Free Shipping Eligible
  
  $11.75
- $11.75
  
  Qty
- v6672
- Bosch Aquastar 2700ES Gas Supply Pipe - 8700715389 - Non-Returnable
  
  • Part Works For
  
  870071538900 • View Detail • Free Shipping Eligible
  
  $62.95
- $62.95
  
  Qty
- v6674
- Bosch Aquastar 2700ES Trade Mark Badge - 8701103140 - Non-Returnable
  
  • This Part is Drop shipped from the Manufacturer • Part Works For
  
  870110314000 • View Detail • Free Shipping Eligible
  
  $16.75
- $16.75
  
  Qty
- v6675
- Bosch Aquastar 2700ES Combustion Cover Clip - 8701201032 - Non-Returnable
  
  • Part Works For
  
  870120103200 • View Detail • Free Shipping Eligible
  
  $16.95
- $16.95
  
  Qty
- v6677
- Bosch Aquastar 2700ES Pressure Balance Nut - 8703300041 - Non-Returnable
  
  • Part Works For
  
  870330004100 • View Detail • Free Shipping Eligible
  
  $13.75
- $13.75
  
  Qty
- v6679
- Bosch Aquastar 2700ES Screw (optional) - 8703401109 - Non-Returnable
  
  • This Part is Drop shipped from the Manufacturer
  
  870340110900 • View Detail • Free Shipping Eligible
  
  $26.75
- $26.75
  
  Qty
- v6680
- Bosch Aquastar 2700ES Cover Screw - 8703401170 - Non-Returnable
  
  • This Part is Drop shipped from the Manufacturer • Part Works For
  
  870340117000 • View Detail • Free Shipping Eligible
  
  $12.75
- $12.75
  
  Qty

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