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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! A1158 Bosch Aquastar 250SX 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 # 8700103710   Bosch Aquastar 250SX Gasket Exhaust LOC 3025 - Part 8700103710 - Non-returnable Download Service Bulletin Disclaimer $12.90  Part # 8700205134   Bosch Aquastar 250SX O-ring LOC 3045 - Part 8700205134 - Non-returnable Download Service Bulletin Disclaimer $6.45  Part # 8700205147   Bosch Aquastar 250SX O-ring LOC 3050 - Part 8700205147 - Non-returnable Download Service Bulletin Disclaimer $6.45  Part # 870020514   Bosch Aquastar 250SX O-ring air duct LOC 3055 - Part 8700205149 - Non-returnable Download Service Bulletin Disclaimer $6.45  Part # 8700400015   Bosch Aquastar 250SX Temperature sensor LOC 3065 - Part 8700400015 - Non-returnable Download Service Bulletin Disclaimer $38.00  Part # 8700400032   Bosch Aquastar 250SX Overheat cutoff fuse/ Temperature Limiter Sensor LOC 3070 - Part 8700400032 - Non-returnable Download Service Bulletin Disclaimer $16.00  Part # 8700507001   Bosch Aquastar 250SX Inlet filter screen LOC 3095 - Part 8700507001 - Non-returnable Download Service Bulletin Disclaimer $6.25  Part # 8700715155   Bosch Aquastar 250SX Hot water pipe LOC 3180 - Part 8700715155 - Non-returnable Download Service Bulletin Disclaimer $40.90  Part # 8700715156   Bosch Aquastar 250SX Cold water pipe LOC 3185 - Part 8700715156 - Non-returnable Download Service Bulletin Disclaimer $45.20  Part # 870120102   Bosch Aquastar 250SX Clip - Heat exchanger LOC 3200 - Part 8701201028 - Non-returnable Download Service Bulletin Disclaimer $6.25  Part # 8704401214   Bosch Aquastar 250SX Cables / 24V LOC 3245 - Part 8704401214 - Non-returnable Download Service Bulletin Disclaimer $49.50  Part # 8704401220   Bosch Aquastar 250SX Ignition cable LOC 3250 - Part 8704401220 - Non-returnable Download Service Bulletin Disclaimer $17.20  Part # 8704401221   Bosch Aquastar 250SX Power supply cord LOC 3255 - Part 8704401221 - Non-returnable Download Service Bulletin Disclaimer $41.90  Part # 8704401239   Bosch Aquastar 250SX Cables LOC 3260 - Part 8704401239 - Non-returnable Download Service Bulletin Disclaimer $63.40  Part # 8704701046   Bosch Aquastar 250SX Gasket Set Combustion Chamber LOC 3280 - Part 8704701046 - Non-returnable Download Service Bulletin Disclaimer $56.00  Part # 8704701052   Bosch Aquastar 250SX Heat Exchanger Top Gasket LOC 3285 - Part 8704701052 - Non-returnable Download Service Bulletin Disclaimer $20.00  Part # 8704701054   Bosch Aquastar 250SX Heat Exchanger Bottom Gasket LOC 3290 - Part 8704701054 - Non-returnable Download Service Bulletin Disclaimer $20.00  Part # 8705406285   Bosch Aquastar 250SX Heat Exchanger LOC 3310 - Part 8705406285 - Non-returnable Download Service Bulletin Disclaimer $294.80  Part # 8705504137   Bosch Aquastar 250SX Flue Gas Exhaust Accessory LOC 3335 - Part 8705504137 - Non-returnable Download Service Bulletin Disclaimer $91.40  Part # 8705506706   Bosch Aquastar 250SX Shield LOC 3340 - Part 8705506706 - Non-returnable Download Service Bulletin Disclaimer $17.00  Part # 8707206204   Bosch Aquastar 250SX Overheat sensor (ECO) LOC 3415 - Part 8707206204 - Non-returnable Download Service Bulletin Disclaimer $15.10  Part # 8707207268   Bosch Aquastar 250SX Control Board LOC 3440 - Part 8707207268 - Non-returnable Download Service Bulletin Disclaimer $279.50  Part # 8708107020   Bosch Aquastar 250SX Set of Electrodes LOC 3495 - Part 8708107020 - Non-returnable Download Service Bulletin Disclaimer $42.00  Part # 8708505018   Bosch Aquastar 250SX Water Valve with Engine LOC 3560 - Part 8708505018 - Non-returnable Download Service Bulletin Disclaimer $260.00  Part # 8710103045   Bosch Aquastar 250SX Washer 1/2 Inch LOC 3570 - Part 8710103045 - Non-returnable Download Service Bulletin Disclaimer $5.25  Part # 8714606002   Bosch Aquastar 250SX Wireform spring LOC 3575 - Part 8714606002 - Non-returnable Download Service Bulletin Disclaimer $5.25  Part # 8716102607   Bosch Aquastar 250SX Clip LOC 3580 - Part 8716102607 - Non-returnable Download Service Bulletin Disclaimer $6.45  Part # 8700103014   Bosch Aquastar 250SX Gas Valve washer LOC 3007 - Part 8700103014 - Non-returnable Download Service Bulletin Disclaimer $5.25  Part # 8700507069   Bosch Aquastar 250SX air inlet screen LOC 3111 - Part 8700507069 - Non-returnable Download Service Bulletin Disclaimer $10.25  Part # 8700715247   Bosch Aquastar 250SX Crossover Tube LOC 3187 - Part 8700715247 - Non-returnable Download Service Bulletin Disclaimer $19.35  Part # 8704701050   Bosch Aquastar 250SX Fan Burner Gasket LOC 3281 - Part 8704701050 - Non-returnable Download Service Bulletin Disclaimer $9.25  Part # 8705421837   Bosch Aquastar 250SX Front Cover LOC 3324 - Drop ship from mfg - Part 8705421837 - Non-returnable This item ships directly from Bosch and may take up to 2 extra days to process. Download Service Bulletin Disclaimer $159.90  Part # 8705504116   Bosch Aquastar 250SX Air Inlet Duct LOC 3341 - Part 8705504116 - Non-returnable Download Service Bulletin Disclaimer $42.00  Part # 8705700114   Bosch Aquastar 250SX Flue gas collector collar LOC 3342 - Part 8705700114 - Non-returnable Download Service Bulletin Disclaimer $60.20  Part # 8707021019   Bosch Aquastar 250SX Gas Valve LOC 3690 - Part 8707021019 - Non-returnable Download Service Bulletin Disclaimer $237.00  Part # 8707204039   Bosch Aquastar 250SX Exhaust Fan LOC 3397 - Drop ship from mfg - Part 8707204039 - Non-returnable This item ships directly from Bosch and may take up to 2 extra days to process. Download Service Bulletin Disclaimer $347.00  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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