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Bosch Aquastar Repair Parts Page Radiant Heat PEX Tubing Gas Space Heaters Electric Heaters Boilers Radiators Solar Heating Supplies HVAC Fan Convectors Plumbing Supplies Water Heaters Vent Pipe Gas Fireplace Wood Stoves Misc House Fans Bath & Kitchen Save Energy Clearance Items Wrap yourself in warmth! A1160 Bosch Aquastar 38B Water Heater Repair Parts Buy Page Disclaimer Searching for a Part number? click here Looking for a Part that is not listed? click here *The prices on this page are for Web Orders Only! Contractors & Plumbers - click here for savings Water Heater repair parts ship via UPS 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. Faster shipping is available. Warning!  All parts are non-returnable. Technical Support     Parts Diagram     Service Bulletins     Faster Shipping Model Model Your Cost Change quantity in your Shopping Cart. You can always remove items later. Part # 8705406149   Bosch Aquastar 38B Heat Exchanger LOC 3300 - (Formerly - 8705406233) Part 8705406149 - Non-returnable Download Service Bulletin Disclaimer $208.00  Part # 8707002497   Bosch Aquastar 38B Water Valve Assembly LOC 3360 - Drop ship from mfg - Part 8707002497KIT - Non-returnable This item ships directly from Bosch and may take up to 2 extra days to process. Download Service Bulletin Disclaimer $128.00  Part # 8703406204   Bosch Aquastar 38B Solar Water Valve Pushrod LOC 3235 - Part 8703406204 - Non-returnable Download Service Bulletin Disclaimer $19.00  Part # 8703401165   Bosch Aquastar 38B Water valve set screw LOC 3220 - Part 8703401165 - Non-returnable (formerly 8703401051) Download Service Bulletin Disclaimer $6.25  Part # 8700503100   Bosch Aquastar 38B Water Valve Diaphragm LOC 3085 - Part 8700503100 - Non-returnable Download Service Bulletin Disclaimer $9.25  Part # 8700507001   Bosch Aquastar 38B Inlet filter screen LOC 3095 - Part 8700507001 - Non-returnable Download Service Bulletin Disclaimer $6.25  Part # 8710715115   Bosch Aquastar 38B Water Elbow Fitting LOC 3573 - Part 8710715115 - Non-returnable Download Service Bulletin Disclaimer $45.00  Part # 8700703038   Bosch Aquastar 38B Hot Water Pipe LOC 3115 - Part 8700703038 - Non-returnable Download Service Bulletin Disclaimer $12.00  Part # 8708205210   Bosch Aquastar 38B Water Valve Venturi LOC 3520 - Part 8708205210 - Non-returnable Download Service Bulletin Disclaimer $10.00  Part # 8702000182   Bosch Aquastar 38B Temp Adjustment Knob LOC 3210 - Part 8702000182 - Non-returnable Download Service Bulletin Disclaimer $7.25  Part # 8718105051   Bosch Aquastar 38B Pilot Assembly NG LOC 3585 - Part 8718105051 - Non-returnable Download Service Bulletin Disclaimer $16.00  Part # 8708107002   Bosch Aquastar 38B Piezo Electrode LOC 3480 - Part 8708107002 - Non-returnable Download Service Bulletin Disclaimer $12.25  Part # 8700507055   Bosch Aquastar 38B Pilot Air Screen LOC 3105 - Part 8700507055 - Non-returnable Download Service Bulletin Disclaimer $6.25  Part # 8708200005   Bosch Aquastar 38B Pilot Injector Natural Gas LOC 3500 - Part 8708200005 - Non-returnable Download Service Bulletin Disclaimer $5.25  Part # 8748200173   Bosch Aquastar 38B Pilot Injector Propane Gas LOC 3610 - Part 8748200173 - Non-returnable Download Service Bulletin Disclaimer $6.45  Part # 8710707166   Bosch Aquastar 38B Pilot Tube LOC 3161 - Part 8710707166 - Non-returnable Download Service Bulletin Disclaimer $6.50  Part # 8747202083   Bosch Aquastar 38B Thermocouple LOC 3600 - Part 8747202083 - Non-returnable Download Service Bulletin Disclaimer $16.00  Part # 8747202209   Bosch Aquastar 38B Thermocable LOC 3605 - Part 8747202209 - Non-returnable Download Service Bulletin Disclaimer $14.00  Part # 8707206040   Bosch Aquastar 38B Overheat Sensor (ECO) LOC 3405 - Part 8707206040 - Non-returnable Download Service Bulletin Disclaimer $38.00  Part # 8707201012   Bosch Aquastar 38B Electromagnet LOC 3395 - Part 8707201012 - Non-returnable Download Service Bulletin Disclaimer $29.00  Part # 8705421021   Bosch Aquastar 38B Front Cover LOC 3315 - Part 8705421021 - Non-returnable Download Service Bulletin Disclaimer $86.00  Part # 8342400000   Bosch Aquastar 38B Regulator Natural Gas LOC 3000 - Part 8342400000 - Non-returnable Disclaimer $48.00  Part # 8345520000   Bosch Aquastar 38B Regulator Propane Gas LOC 3005 - Part 8345520000 - Non-returnable Disclaimer $45.00  Part # 8700103008   Bosch Aquastar 38B Burner Assembly Washer LOC 3006 - Part 8700103008 - Non-returnable Download Service Bulletin Disclaimer $5.25  Part # 8707011456   Bosch Aquastar 38B Gas valve LP LOC 3620 - Drop ship from mfg - Part 8707011456 - Non-returnable This item ships directly from Bosch and may take up to 2 extra days to process. Download Service Bulletin Disclaimer $165.00  Part # 8707011466   Bosch Aquastar 38B Gas valve NG LOC 3625 - Drop ship from mfg - Part 8707011466 - Non-returnable This item ships directly from Bosch and may take up to 2 extra days to process. Download Service Bulletin Disclaimer $149.00  Part # 8707405144   Bosch Aquastar 38B Gas shut off LOC 3466 - Part 8707405144 - Non-returnable Disclaimer $32.00  Part # 8708120011   Bosch Aquastar 38B Main Burner NG LOC 3496 - Part 8708120011 - Non-returnable Download Service Bulletin Disclaimer $107.00  Part # 8708120301   Bosch Aquastar 38B Main Burner LP LOC 3499 - Part 8708120301 - Non-returnable Download Service Bulletin Disclaimer $46.00  Part # 8708500166   Bosch Aquastar 38B Water valve Selector Screw LOC 3532 - Part 8708500166 - Non-returnable Download Service Bulletin Disclaimer $13.00  Part # 8710715112   Bosch Aquastar 38B Inlet gas gasket and gas fitting LOC 3572 - Part 8710715112 - Non-returnable Disclaimer $60.00  Part # NIP12XCLO   Bosch Aquastar 38B 1/2 inch Brass Outlet water fitting LOC 3700 - Part NIP12XCLO - Non-returnable Disclaimer $7.25  Part # WVKIT 38B   Bosch Aquastar Water Valve rebuild kit for 38B LOC 3235/3555/3220/3615 - Part #WVKIT 38B (8703406204 and 8708503063 and DOWLUBE and 2 X 8703401051) - Non-returnable Download Service Bulletin Disclaimer $32.95  Dow Lube No Image Available Package of Dow Lube--Loc 3615 - Non-returnable Disclaimer $2.95  Technical Support     Parts Diagram      Service Bulletins      Faster Shipping Disclaimer Searching for a Part number? click here Looking for a Part that is not listed? click here *The prices on this page are for Web Orders Only! Contractors & Plumbers - click here for savings Water Heater repair parts ship via UPS 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. Faster shipping is available. Warning!  All parts are non-returnable. 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