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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 PH1772 Bosch Tankless Water Heater - 125BO (Outdoor Model) 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 125BO Technical Support     Bosch 125BO Service Bulletins Part # 8705406380 (870540623999) Bosch Aquastar 125BO Heat Exchanger LOC 3305 - Part 8705406380 (old part number was 8705406235) - Non-returnable Retail Price: $299.75 Pro Price Not Shown Part # 8707021091KIT (870701146399) Bosch Aquastar 125BO Gas Valve LP LOC 3382 - Part 8707021091KIT - Non-returnable Retail Price: $169.75 Pro Price Not Shown Part # 8707021090KIT (870701145999) Bosch Aquastar 125BO Gas Valve NG LOC 3381 -(Old Number was 8707011459)Part 8707021090KIT - Non-returnable Retail Price: $156.95 Pro Price Not Shown Part # 8708120296 (870812029699) Bosch Aquastar 125BO Main Burner LP w/ Washer LOC 3497 - Part 8708120296 - Non-returnable Retail Price: $136.50 Pro Price Not Shown Part # 8708120298 (870812029899) Bosch Aquastar 125BO Main Burner NG w/ Washer - LOC 3498 - Part 8708120298 - Non-returnable Retail Price: $110.70 Pro Price Not Shown Part # 8707206017 (870720601799) Bosch Aquastar 125BO Solar Overheat Sensor (Eco) LOC 3398 - Part 8707206017 - Non-returnable Retail Price: $35.50 Pro Price Not Shown Part # 8707201012 (870720101999) Bosch Aquastar 125BO Electromagnet LOC 3395 - Part 8707201012 - Non-returnable Retail Price: $31.20 Pro Price Not Shown Part # 8718105051 (871810505999) Bosch Aquastar 125B Pilot Assembly NG or LP - LOC 3585 - Part 8718105051 - Non-returnable Retail Price: $17.20 Pro Price Not Shown Part # 8708107002 (870810700999) Bosch Aquastar 125BO Piezo Electrode LOC 3480 - Part 8708107002 - Non-returnable Retail Price: $12.95 Pro Price Not Shown Part # 8700507055 (870050755999) Bosch Aquastar 125BO Pilot Air Screen LOC 3105 - Part 8700507055 - Non-returnable Retail Price: $6.45 Pro Price Not Shown Part # 8700707320 (870070732999) Bosch Aquastar 125BO Pilot Tube LOC 3155 - Part 8700707320 - Non-returnable Retail Price: $7.55 Pro Price Not Shown Part # 8708200005 (870820000999) Bosch Aquastar 125BO Pilot Injector Natural Gas LOC 3500 - Part 8708200005 - Non-returnable Retail Price: $5.35 Pro Price Not Shown Part # 8748200173 (874820017999) Bosch Aquastar 125BO Pilot Injector Propane Gas LOC 3610 - Part 8748200173 - Non-returnable Retail Price: $5.35 Pro Price Not Shown Part # 8710103060 (871010306099) Bosch Aquastar 125BO Burner Assembly Washer LOC 3571 - Part 8710103060 - Non-returnable Retail Price: $5.35 Pro Price Not Shown Part # 8705500101 (870550010100) Bosch Aquastar 125BO Water valve cover LOC 3325 - Part 8705500101 - Non-returnable Retail Price: $40.90 Pro Price Not Shown Part # 8700306114 (870030611999) Bosch Aquastar 125BO Water Valve Pushrod LOC 3060 - Part 8700306114 - Non-returnable Retail Price: $17.20 Pro Price Not Shown Part # 8700503053 (870050305999) Bosch Aquastar 125BO Water Valve Diaphragm LOC 3080 - Part 8700503053 - Non-returnable Retail Price: $24.70 Pro Price Not Shown Part # 8700507001 (870050700999) Bosch Aquastar 125BO Inlet Filter Screen LOC 3095 - Part 8700507001 - Non-returnable Retail Price: $6.45 Pro Price Not Shown Part # 8708500289 (870850028999) Bosch Aquastar 125BO water valve selector screw LOC 3537 - Part 8708500289 - Non-returnable Retail Price: $29.00 Pro Price Not Shown Part # 8703401165 (870340105999) Bosch Aquastar 125BO Water valve set screw LOC 3220 - Part 8703401165 (Old Part Number was 8703401051) - Non-returnable Retail Price: $5.35 Pro Price Not Shown Part # 8708205279 (870820527900) Bosch Aquastar 125BO Water Valve Venturi - LOC 3975 - Part 8708205279 - Non-Returnable Retail Price: $9.75 Pro Price Not Shown Part # 8707406083 (870740608300) Bosch Aquastar 125 BO LP Gas Pressure Regulator - LOC 3755 - Part 8707406083 - Non-Returnable Retail Price: $45.20 Pro Price Not Shown Part # 8707406084 No Image Available (870740608400) Bosch Aquastar 125BO NG Gas Pressure Regulator - LOC 3805 - Part 8707406084 - Non-Returnable Retail Price: $45.20 Pro Price Not Shown Part #8707002708 No Image Available (870700270800) Bosch Aquastar 125BO Water Valve 1 Port - LOC 7088 - Part 8707002708 - Non-returnable Retail Price: $149.40 Pro Price Not Shown Part # 8708108040 No Image Available (870810804000) Bosch Aquastar 125BO Piezo Igniter LOC 7080 - Part 8708108040 - Non-returnable Retail Price: $24.00 Pro Price Not Shown Part #8707206413 No Image Available (870720641300) Bosch Aquastar 125BO Thermocouple LOC 7065 - Part 8707206413 (old number was 8707202087) - Non-returnable Retail Price: $36.00 Pro Price Not Shown Part #8708202124 No Image Available (870820212400) Bosch Aquastar 125BO Nozzle (120) - For Natural Gas - LOC 7070 - Part 8708202124 - Non-returnable Retail Price: $16.00 Pro Price Not Shown Part #8708202149 No Image Available (870820214900) Bosch Aquastar 125BO Nozzle - For Liquid Propane - LOC 7072 - Part 8708202149 - Non-returnable Retail Price: $9.75 Pro Price Not Shown Part #8716461314 No Image Available (871646131400) Bosch Aquastar 125BO Cover Screw - LOC 7068 - Part 8716461314 - Non-returnable Retail Price: $4.75 Pro Price Not Shown Part #8700100174 No Image Available (870010017400) Bosch Aquastar 125BO Throttle Disk LOC 7078 - Part 8700100174 - Non-returnable Retail Price: $5.94 Pro Price Not Shown Part #8743301025 No Image Available (874330102500) Bosch Aquastar 125BO Union Nut LOC 7082 - Part 8743301025 - Non-returnable Retail Price: $6.75 Pro Price Not Shown Part #8704401023 No Image Available (870440102300) Bosch Aquastar 125BO Piezo Ignition Lead - LOC 7085 - Part 8704401023 - Non-returnable Retail Price: $10.75 Pro Price Not Shown Part #8704705024 No Image Available (870470502400) Bosch Aquastar 125BO Wire Form Spring - LOC 7090 - Part 8704705024 - Non-returnable Retail Price: $5.35 Pro Price Not Shown Part #8705705027 No Image Available (870570502700) Bosch Aquastar 125BO Volumetric Water Governor - LOC 7092 - Part 8705705027 - Non-returnable Retail Price: $24.70 Pro Price Not Shown Part #8716416713 No Image Available (871641671300) Bosch Aquastar 125BO Cold Water Pipe Assembly - LOC 7074 - Part 8716416713 (old part number was 8716416715) - Non-returnable Retail Price: $15.75 Pro Price Not Shown Bosch 125BO Technical Support     Bosch 125BO 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!