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Bosch Therm gas and propane tankless water heaters and Bosch Powerstream electric tankless water heaters.

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Bosch Spare Parts

GlobalTowne sells replacement parts for all Bosch gas, propane and electric tankless water heaters and electric mini-tanks. We list the most common Bosch heat exchangers, water valves, gas valves, control boards, control boxes and hydrogenerator on this page. Call us at 888.726.9752 for pricing and availability on all other Bosch parts.

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  1. AO Smith Thermostat With Cover #100108421

    AO Smith Thermostat With Cover #100108421

    AO Smith Thermostat With Cover #100108421 (100108421) Learn More

    Regular Price: $17.00

    Special Price: $12.74

    Details
  2. AO Smith Element #100108283

    AO Smith Element #100108283

    AO Smith Element #100108283 (100108283) Learn More

    Regular Price: $17.00

    Special Price: $13.80

    Details
  3. Bosch Ariston GL2.5/GL4/GL2.5S/GL4S Anode Rod (#574305)

    Ariston GL2.5/GL4/GL2.5S/GL4S Anode Rod (#7738007315)

    Bosch Ariston GL2.5/GL4/GL2.5S/GL4S Anode Rod (#7738007315) Learn More

    Regular Price: $17.95

    Special Price: $14.95

    Details
  4. AO Smith Element #100108290

    AO Smith Element #100108290

    AO Smith Element #100108290 (100108290) Learn More

    Regular Price: $25.00

    Special Price: $18.32

    Details
  5. Bosch Ariston GL6+/GL6+S/GL8Ti/GL8TiS/ES8 Anode Rod (#570241)

    Ariston GL6+/GL6+S/GL8Ti/GL8TiS/ES8 Anode Rod (#570241)

    Bosch Ariston GL6+/GL6+S/GL8Ti/GL8TiS/ES8 Anode Rod (#570241) Learn More

    Regular Price: $23.95

    Special Price: $18.95

    Details
  6. AO Smith Thermostat #100108683

    AO Smith Thermostat #100108683

    AO Smith Thermostat #100108683 (100108683) Learn More

    Regular Price: $26.00

    Special Price: $20.79

    Details
  7. AO Smith Anode Rod #100109594

    AO Smith Anode Rod #100109594

    AO Smith Anode Rod #100109594 (100109594) Learn More

    Regular Price: $38.50

    Special Price: $30.95

    Details
  8. Bosch Ariston GL2.5S/GL4S/ES2.5/ES4 Thermostat (#87387044410)

    Ariston GL2.5S/GL4S/ES2.5/ES4 Thermostat (#87387044410)

    Bosch Ariston GL2.5S/GL4S/ES2.5/ES4 Thermostat (#87387044410) Learn More

    Regular Price: $76.95

    Special Price: $39.95

    Details
  9. AO Smith Pilot With Tubing #100112330

    AO Smith Pilot With Tubing #100112330

    AO Smith Pilot With Tubing #100112330 (100112330) Learn More

    Regular Price: $66.00

    Special Price: $45.04

    Details
  10. Bosch Ariston GL Kit for GL2.5/GL4/GL2.5Ti/GL4Ti

    Ariston GLKit for GL2.5/GL4/GL2.5Ti/GL4Ti

    Bosch Ariston GL Kit for GL2.5/GL4/GL2.5Ti/GL4Ti Learn More

    Regular Price: $69.95

    Special Price: $49.95

    Details

Items 1 to 10 of 44 total

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  1. $0.00 - $99.99 (16)
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  4. $300.00 - $399.99 (6)
  5. $400.00 and above (3)
Brand
  1. AO Smith (10)
  2. Bosch AquaStar (20)
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  4. Bosch PowerStar (3)
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  1. Natural Gas (3)
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Voltage (Volts)
  1. 120 (8)
Application
  1. Commercial,Residential (44)
Indoor/Outdoor Installation
  1. Indoor (3)
Product Type
  1. Electric Heater Accessory (10)
  2. Electric Heater Replacement Part (4)
  3. Gas Heater Replacement Part (30)
Spare Part Type
  1. AO Smith Parts (10)
  2. Ariston Parts (10)
  3. Gas Valves (7)
  4. Heat Exchangers (5)
  5. Hydro Generators (1)
  6. PowerStar PCBs (4)
  7. Water Valves (7)
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