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Return to Bosch Tankless Water Heaters Repair Parts Main Page   For Trade Sales Click Here   For Retail Sales Click Here Products   Bosch Water Heaters   Electric Space Heaters   PEX Radiant Heat   Heat Timer Controls   Grundfos Pumps   Taco Pumps   Gas Boilers   Electric Boilers   Indirect Storage Tanks   Hydronic Heating Supplies   Z Vent Z Flex Venting   Myson Radiators - Hydronic   Tankless Water Heaters   Heat Exchangers   Plumbing PEX   Fantech Fans   Solar Heating   SharkBite Fittings   Copper Fittings   Schulter Ditra   Pompco Well Pumps   Help   Site Guide   Online Manuals   Register Site Map PH1539 Bosch Tankless Water Heater 2400ES Repair Parts All Bosch Repair Parts are Non-Returnable Retail Prices are shown - once you have an account - then you can see Pro Pricing  Click here for more info! Bosch 2400ES Technical Support     Bosch 2400ES Service Bulletins Part # 8705406422 (870540642224) Bosch Aquastar 2400ES Heat Exchanger - LOC 3928 - Part 8705406422 - Non-Returnable Retail Price: $299.95 Pro Price Not Shown Part # 2910642150 No Image Available (291064215000) Bosch Aquastar 2700ES Screw - LOC 3925 - Part 2910642150 - Non-Returnable Retail Price: $4.00 Pro Price Not Shown Part # 2915011006 (291501100600) Bosch Aquastar 2400ES Fan Mount Nut - LOC 3930 - Part 2915011006 - Non-Returnable Retail Price: $6.75 Pro Price Not Shown Part # 7709003665 (770900366500) Bosch Aquastar 2400ES Anti Freeze Kit - LOC 3932 - Part 7709003665 - Non-Returnable Retail Price: $32.00 Pro Price Not Shown Part # 8700103764 (870010376400) Bosch Aquastar 2400ES Washer - LOC 3965 - Part 8700103764 - Non-Returnable Retail Price: $4.75 Pro Price Not Shown Part # 8700205157 (870020515700) Bosch Aquastar 2400ES O-ring LOC 5150 - Part 8700205157 - Non-Returnable Retail Price: $4.95 Pro Price Not Shown Part # 8700205231 (870020523100) Bosch Aquastar 2400ES O-ring - LOC 3970 - Part 8700205231 - Non-Returnable Retail Price: $4.75 Pro Price Not Shown Part # 8700507002 (870050700200) Bosch Aquastar 2400ES Gas Filter - LOC 3940 - Part 8700507002 - Non-Returnable Retail Price: $4.75 Pro Price Not Shown Part # 8700715469 (870071539200) Bosch Aquastar 2400ES Hot Water Pipe - LOC 3952 - Part 8700715469 - Non-Returnable Retail Price: $22.00 Pro Price Not Shown Part # 8700715394 (870071539400) Bosch Aquastar 2400ES Cold Water Pipe - LOC 3962 - Part 8700715394 - Non-Returnable Retail Price: $26.90 Pro Price Not Shown Part # 8701000401 (870100040100) Bosch Aquastar 2400ES Site Window - LOC 3912 - Part 8701000401 - Non-Returnable Retail Price: $14.00 Pro Price Not Shown Part # 8701309164 (870130916400) Bosch Aquastar 2400ES Mounting Brackets LOC 5125 - Part 8701309164 - Non-Returnable Retail Price: $10.75 Pro Price Not Shown Part # 8703305356 (870330535600) Bosch Aquastar 2400ES Inlet Fitting with Filter LOC 5145 - Part 8703305356 - Non-Returnable Retail Price: $65.00 Pro Price Not Shown Part # 8703403012 (870340301200) Bosch Aquastar 2400ES Screw LOC 5135 - Part 8703403012 - Non-Returnable Retail Price: $5.25 Pro Price Not Shown Part # 8704401376 (870440137600) Bosch Aquastar 2400ES Jumper - LOC 3972 - Part 8704401376 - Non-Returnable Retail Price: $6.75 Pro Price Not Shown Part # 8705504162 (870550416200) Bosch Aquastar 2400ES Exhaust Accessory LOC 5115 - Part 8705504162 - Non-Returnable Retail Price: $62.00 Pro Price Not Shown Part # 8707204071 (870720407100) Bosch Aquastar 2400ES Primary Fan - LOC 3922 - Part 8707204071 - Non-Returnable Retail Price: $91.40 Pro Price Not Shown Part # 8707204072 (870720407200) Bosch Aquastar 2400ES Secondary Fan LOC 5130 - Part 8707204072 - Non-Returnable Retail Price: $118.30 Pro Price Not Shown Part # 8708505024 (870850502400) Bosch Aquastar 2400ES Water Valve with Engine LOC 5140 - Part 8708505024 - Non-Returnable Retail Price: $131.75 Pro Price Not Shown Part # 8700103710 (870010371240) Bosch Aquastar 2400ES Gasket Exhaust LOC 3025 - Part 8700103710 - Non-returnable Retail Price: $12.90 Pro Price Not Shown Part # 8705504116 (870550411624) Bosch Aquastar 2400ES Air Inlet Duct LOC 3341 - Part 8705504116 - Non-returnable Retail Price: $45.20 Pro Price Not Shown Part # 8704701052 (870470105240) Bosch Aquastar 2400ES Heat Exchanger Top Gasket - LOC 3285 - Part 8704701052 - Non-returnable Retail Price: $20.00 Pro Price Not Shown Part # 8707206204 (870720620424) Bosch Aquastar 2400ES Overheat sensor (ECO) LOC 3415 - Part 8707206204 - Non-returnable Retail Price: $15.10 Pro Price Not Shown Part # 8704701054 (870470105424) Bosch Aquastar 2400ES Heat Exchanger Bottom Gasket - LOC 3290 - Part 8704701054 - Non-returnable Retail Price: $20.00 Pro Price Not Shown Part # 8701302249 (870130224924) Bosch Aquastar 2400ES Ignition Group - LOC 3945 - Part 8701302249 - Non-Returnable Retail Price: $26.90 Pro Price Not Shown Part # 8700205147 (870020514724) Bosch Aquastar 2400ES O-ring LOC 3050 - Part 8700205147 - Non-returnable Retail Price: $5.35 Pro Price Not Shown Part # 8700205149 (870020514924) Bosch Aquastar 2400ES Air Duct O-Ring LOC 3055 - Part 8700205149 - Non-returnable Retail Price: $5.35 Pro Price Not Shown Part # 8707021019 (870702101927) Bosch Aquastar 2400ES Gas Valve LOC 3690 - Part 8707021019 - Non-returnable Retail Price: $238.95 Pro Price Not Shown Part # 8700103014 (870010301427) Bosch Aquastar 2400ES Gas Valve Washer LOC 3007 - Part 8700103014 - Non-returnable Retail Price: $3.95 Pro Price Not Shown Part # 8704701062 (870470106227) Bosch Aquastar 2400ES Washer - LOC 3990 - Part 8704701062 - Non-returnable Retail Price: $5.35 Pro Price Not Shown Part # 8701201028 (870120102827) Bosch Aquastar 2400ES Pipe Connection Clip - LOC 3200 - Part 8701201028 - Non-returnable Retail Price: $5.75 Pro Price Not Shown Part # 8700400015 (870040001527) Bosch Aquastar 2400ES Temperature sensor LOC 3065 - Part 8700400015 - Non-returnable Retail Price: $40.90 Pro Price Not Shown Part # 8710103045 (871010304527) Bosch Aquastar 24000ES Inlet Outlet Washer LOC 3570 - Part 8710103045 - Non-returnable Retail Price: $5.35 Pro Price Not Shown Part # 8716102607 (871610260727) Bosch Aquastar 2400ES Clip - LOC 3580 - Part 8716102607 - Non-returnable Retail Price: $5.75 Pro Price Not Shown Part #8700507059 (870050705999) Bosch Aquastar 2400ES Inlet Filter LOC 3110 - Part 8700507059 - Non-returnable Retail Price: $7.50 Pro Price Not Shown Part # 1904521342 (890452134227) Bosch Aquastar 2400ES Fuse T2.5A LOC 3645 - Part 1904521342 - Non-returnable Retail Price: $5.35 Pro Price Not Shown Part # 8700400032 (870040001927) Bosch Aquastar 2400ES Overheat cutoff fuse/ Temperature Limiter Sensor LOC 3070 - Part 8700400032 - Non-returnable Retail Price: $17.20 Pro Price Not Shown Part # 8708505023 (870850502300) Bosch Aquastar 2400ES Water Valve Cascade - LOC 3978 - Part 8708505023 - Non-Returnable Retail Price: $165.00 Pro Price Not Shown Part # 8707207296 (870720729600) Bosch Aquastar 2400ES Control Unit - LOC 3955 - Part 8707207296 - Non-Returnable Retail Price: $229.00 Pro Price Not Shown Part # 8710303027 (871030302700) Bosch Aquastar 2400ES Rubber Grommet - LOC 3942 - Part 8710303027 - Non-Returnable Retail Price: $5.75 Pro Price Not Shown Part # 8708120642 No Image Available (870812064200) Bosch Aquastar 2400ES Main Burner - LOC 3968 - Part 8708120642 - Non-Returnable Retail Price: $176.30 Pro Price Not Shown Part # 8703305349 No Image Available (870330534900) Bosch Aquastar 2400ES Outlet Fitting - LOC 3926 - Part 8703305349 - Non-Returnable Retail Price: $28.75 Pro Price Not Shown Part # 8703401109 No Image Available (870340110900) Bosch Aquastar 2400ES Screw (optional) - Drop Ship From Mfg - Part 8703401109 - Non-Returnable Retail Price: $5.75 Pro Price Not Shown Part # 8703401170 No Image Available (870340117000) Bosch Aquastar 2400ES Cover Screw - Drop Ship from Mfg- Part 8703401170- Non-Returnable Retail Price: $8.75 Pro Price Not Shown Part # 8703404219 No Image Available (870340421900) Bosch Aquastar 2400ES Pressure Tapping - Drop Ship From Mfg - Part 8703404219 - Non-Returnable Retail Price: $9.75 Pro Price Not Shown Part # 8703404220 No Image Available (870340422000) Bosch Aquastar 2400ES Regulation Screw - Drop Ship From Mfg - Part 8703404220 - Non-Returnable Retail Price: $10.75 Pro Price Not Shown Part # 8704401346 (870440134600) Bosch Aquastar 2400ES Electrode Cables - LOC 3929 - Part 8704401346 - Non-Returnable Retail Price: $23.75 Pro Price Not Shown Part # 8704401347 (870440134700) Bosch Aquastar 2400ES Fan Cables - Drop Ship From Mfg - Part 8704401347 - Non-Returnable Retail Price: $24.75 Pro Price Not Shown Part # 8704401348 (870440134800) Bosch Aquastar 2400ES Wire Harness - Drop Ship From Mfg - Part 8704401348 - Non-Returnable Retail Price: $59.75 Pro Price Not Shown Part # 8704401371 No Image Available (870440137100) Bosch Aquastar 2400ES Power Supply Cables - Drop Ship From Mfg - Part 8704401371 - Non-Returnable Retail Price: $15.75 Pro Price Not Shown Part # 8704401378 (870440137800) Bosch Aquastar 2400ES Power Supply Cord - Drop Ship From Mfg - Part 8704401378 - Non-Returnable Retail Price: $23.65 Pro Price Not Shown Part # 8704701084 No Image Available (870470108400) Bosch Aquastar 2400ES Combustion Cover Gasket - Drop Ship from Mfg - Part 8704701084 - Non-Returnable Retail Price: $15.40 Pro Price Not Shown Part # 8704701085 No Image Available (870470108500) Bosch Aquastar 2400ES Gasket - Drop Ship From Mfg - Part 8704701085 - Non-Returnable Retail Price: $11.75 Pro Price Not Shown Part # 8704701087 No Image Available (870470108700) Bosch Aquastar 2400ES Burner Gasket - LOC 3927 - Part 8704701087 - Non-Returnable Retail Price: $8.75 Pro Price Not Shown Part # 8704701097 No Image Available (870470109700) Bosch Aquastar 2400ES Washer - Drop Ship From Mfg - Part 8704701097 - Non-Returnable Retail Price: $5.95 Pro Price Not Shown Part # 8705202140 No Image Available (870520214000) Bosch Aquastar 2400ES Gas/Fan Connector - Drop Ship From Mfg - Part 8705202140 - Non-Returnable Retail Price: $226.75 Pro Price Not Shown Part # 8705431286 (870543128600) Bosch Aquastar 2400ES Front Cover - Drop Ship from Mfg - Part 8705431286 - Non-Returnable Retail Price: $105.00 Pro Price Not Shown Part # 8705506862 No Image Available (870550686200) Bosch Aquastar 2400ES Cover Shield - Drop Ship from Mfg - Part 8705506862 - Non-Returnable Retail Price: $11.00 Pro Price Not Shown Part # 8705700153 No Image Available (870570015300) Bosch Aquastar 2400ES Flue Gas Collector - Drop Ship From Mfg - Part 8705700153 - Non-Returnable Retail Price: $81.62 Pro Price Not Shown Part # 8705700155 (870570015500) Bosch Aquastar 2400ES Air Supply Duct - Drop Ship From Mfg - Part 8705700155 - Non-Returnable Retail Price: $80.41 Pro Price Not Shown Part # 8707206459 (870720645900) Bosch Aquastar 2400ES Backflow Temperature Sensor - Drop Ship From Mfg - Part 8707206459 - Non-Returnable Retail Price: $31.20 Pro Price Not Shown Part # 8708006022 No Image Available (870800602200) Bosch Aquastar 2400ES Inlet Air Cover - Drop Ship from Mfg - Part 8708006022 - Non-Returnable Retail Price: $17.75 Pro Price Not Shown Part # 8708104103 No Image Available (870810410300) Bosch Aquastar 2400ES Holding Bracket - Drop Ship from Mfg - Part 8708104103 - Non-Returnable Retail Price: $9.75 Pro Price Not Shown Part # 8708300123 No Image Available (870830012300) Bosch Aquastar 2400ES Print Circuit Transceiver (optional) - Drop Ship From Mfg - Part 8708300123 - Non-Returnable Retail Price: $289.00 Pro Price Not Shown Part # 8710203039 No Image Available (871020303900) Bosch Aquastar 2400ES Grommet Set - Drop Ship from Mfg - Part 8710203039- Non-Returnable Retail Price: $9.75 Pro Price Not Shown Part # 8708120699 (870812069924) Bosch Aquastar 2400ES Main Burner - LOC 3938 - Part 8708120699 - Non-Returnable Retail Price: $245.00 Pro Price Not Shown Part # 8707204094 (870720409424) Bosch Aquastar 2400ES Secondary Fan - Natural Gas Only - Drop Ship from Mfg - Part 8707204094 - Non-Returnable Retail Price: $144.00 Pro Price Not Shown Part # 8705700170 (870570017024) Bosch Aquastar 2400ES Air/Gas Mixer Port - Drop Ship From Mfg - Part 8705700170 - Non-Returnable Retail Price: $29.59 Pro Price Not Shown Part # 8704701059 No Image Available (870470105927) Bosch Aquastar 2400ES Mixer/Fan Gasket - Drop Ship From Mfg - Part 8704701059 - Non-returnable Retail Price: $9.75 Pro Price Not Shown Part # 2910952122 No Image Available (291095212200) Bosch Aquastar 2400ES Screw - Drop Ship From Mfg - Part 2910952122 - Non-Returnable Retail Price: $4.40 Pro Price Not Shown Part # 2910149181 No Image Available (291014918100) Bosch Aquastar 2400ES Screw - Drop Ship From Mfg - Part 2910149181 - Non-Returnable Retail Price: $4.40 Pro Price Not Shown Part # 8700103166 (870010316600) Bosch Aquastar 2400ES Inlet Air Gasket - Drop Ship From Mfg - Part 8700103166 - Non-Returnable Retail Price: $4.25 Pro Price Not Shown Part # 8700201012 No Image Available (870020101200) Bosch Aquastar 2400ES Shaped Seal (optional) - Drop Ship From Mfg - Part 8700201012 - Non-Returnable Retail Price: $15.40 Pro Price Not Shown Part # 8700203041 No Image Available (870020304100) Bosch Aquastar 2400ES Washer - Drop Ship From Mfg - Part 8700203041 - Non-Returnable Retail Price: $5.75 Pro Price Not Shown Part # 8700205009 No Image Available (870020500900) Bosch Aquastar 2400ES O-ring - Drop Ship From Mfg - Part 8700205009 - Non-Returnable Retail Price: $5.89 Pro Price Not Shown Part # 8700205224 No Image Available (870020522400) Bosch Aquastar 2400ES O-ring - Drop Ship From Mfg - Part 8700205224 - Non-Returnable Retail Price: $4.95 Pro Price Not Shown Part # 8700306226 (870030622600) Bosch Aquastar 2400ES Venturi - Drop Ship From Mfg - Part 8700306226 - Non-Returnable Retail Price: $300.00 Pro Price Not Shown Part # 8700506300 No Image Available (870050630000) Bosch Aquastar 2400ES Combustion Cover - Drop Ship from Mfg - Part 8700506300- Non-Returnable Retail Price: $40.26 Pro Price Not Shown Part # 8700609008 (870060900800) Bosch Aquastar 2400ES Fuse T1.6A - LOC 3648 - Part 8700609008 - Non-Returnable Retail Price: $5.75 Pro Price Not Shown Part # 8700703136 No Image Available (870070313600) Bosch Aquastar 2400ES Pressure Balance Tube - Drop Ship From Mfg - Part 8700703136 - Non-Returnable Retail Price: $5.95 Pro Price Not Shown Part # 8700715389 No Image Available (870071538900) Bosch Aquastar 2400ES Gas Supply Pipe - Drop Ship From Mfg - Part 8700715389 - Non-Returnable Retail Price: $38.75 Pro Price Not Shown Part # 8701004049 No Image Available (870100404900) Bosch Aquastar 2400ES Plate Gasket- Drop Ship From Mfg - Part 8701004049 - Non-Returnable Retail Price: $9.75 Pro Price Not Shown Part # 8701103140 No Image Available (870110314000) Bosch Aquastar 2400ES Trade Mark Badge - Drop Ship from Mfg - Part 8701103140 - Non-Returnable Retail Price: $9.75 Pro Price Not Shown Part # 8701201032 No Image Available (870120103200) Bosch Aquastar 2400ES Combustion Cover Clip - Drop Ship from Mfg - Part 8701201032- Non-Returnable Retail Price: $8.95 Pro Price Not Shown Part # 8701300025 No Image Available (870118110590) Bosch Aquastar 2400ES Wireform Spring LOC 5160 - Part 8701300025 - Non-Returnable Retail Price: $4.95 Pro Price Not Shown Part # 8703300041 No Image Available (870330004100) Bosch Aquastar 2400ES Pressure Balance Nut - Drop Ship From Mfg - Part 8703300041 - Non-Returnable Retail Price: $6.75 Pro Price Not Shown Bosch 2400ES Technical Support     Bosch 2400ES Service Bulletins Return to Bosch Tankless Water Heaters Repair Parts Main Page Retail Prices are shown - once you have an account - then you can see Pro Pricing  Click here for more info!