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

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  1. Bosch Ariston GL2.5/GL4 Thermostat Retrofit Kit (#7738006446)

    Ariston GL2.5/GL4 Thermostat Retrofit Kit (#7738006446)

    Bosch Ariston GL2.5/GL4 Thermostat Retrofit Kit (#7738006446) Learn More

    Regular Price: $179.95

    Special Price: $129.95

    Details
  2. Webstone EXP E2 Lead-Free Isolation Valves 44443WPR

    Webstone EXP E2 Lead-free Isolation Valves 44443WPR

    Webstone EXP2 Service Lead-Free Isolation Valves (44443WPR)

    Webstone's Compact version E-X-P 3/4" Hot and Cold water valves with 3/4" PRV port and Drains with Hose fittings and pressure relief valve (200,000BTU) Learn More

    Regular Price: $159.00

    Special Price: $124.95

    Details
  3. Bosch Therm Concentric Termination Kit (196016)

    Bosch Therm Concentric Termination Kit (196016)

    Bosch Therm Concentric Vent Kit (196016)

    PVC vent kit for Bosch Therm Condensing Tankless Water Heaters Learn More

    Regular Price: $141.00

    Special Price: $119.00

    Details
  4. Bosch Ariston GL6+S Kit for GL6+S / GL8TiS / ES8

    Ariston GL6+SKit for GL6+S / GL8TiS / ES8

    Bosch Ariston GL6+S Kit for GL6+S / GL8TiS / ES8 Learn More

    Regular Price: $169.95

    Special Price: $114.95

    Details
  5. Z-Flex Z-Vent 3" x 5' Stainless Steel Vent Pipe (2SVEPWCF0305)

    Z-Flex Z-Vent 3" x 5' Stainless Steel Vent Pipe (2SVEPWCF0305)

    Z-Flex Z-Vent 3" x 5' Stainless Steel Vent Pipe (2SVEPWCF0305)

    Can be cut to length Learn More

    Regular Price: $179.99

    Special Price: $105.95

    Details
  6. AO Smith Hsi #100109355

    AO Smith Hsi #100109355

    AO Smith Hsi #100109355 (100109355) Learn More

    Regular Price: $143.00

    Special Price: $100.93

    Details
  7. Bosch Ariston GLS Kit for GL2.5S/GL4S/ES2.5/ES4

    Ariston GLSKit for GL2.5S/GL4S/ES2.5/ES4

    Bosch Ariston GLS Kit for GL2.5S/GL4S/ES2.5/ES4 Learn More

    Regular Price: $129.95

    Special Price: $99.95

    Details
  8. Bosch Therm External Water Filter (8703305356)

    Bosch Therm External Water Filter (8703305356)

    Bosch Therm External Water Filter (8703305356)

    Replaces the Internal Water Filter for Easy Access Learn More

    Regular Price: $129.95

    Special Price: $97.95

    Details
  9. Z-Flex Z-Vent 3" x 4' Stainless Steel Vent Pipe (2SVEPWCF0304)

    Z-Flex Z-Vent 3" x 4' Stainless Steel Vent Pipe (2SVEPWCF0304)

    Z-Flex Z-Vent 3" x 4' Stainless Steel Vent Pipe (2SVEPWCF0304)

    Can be cut to length Learn More

    Regular Price: $139.99

    Special Price: $89.99

    Details
  10. Bosch Ariston GL6PLUS-S Thermostat (#87387044420)

    Ariston GL6PLUS-S Thermostat (#87387044420)

    Bosch Ariston GL6+S Thermostat (#87387044420) Learn More

    Regular Price: $129.95

    Special Price: $79.95

    Details

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Category
  1. Tankless Water Heater Replacement Parts (78)
  2. Gas Tankless Heaters (20)
  3. Electric Tankless Heaters (8)
  4. Whole House Tankless (21)
  5. Point Of Use Tankless (7)
  6. Electric Mini-Tanks (3)
  7. Stainless Steel Venting (16)
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  10. Pumps and Valves (4)
Price
  1. $0.00 - $999.99 (112)
  2. $1,000.00 and above (21)
Color
  1. White (21)
Brand
  1. AO Smith (45)
  2. Bosch AquaStar (31)
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Amperage
  1. 120 Amps (1)
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Gas Type
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  2. Liquid Propane (14)
Energy Factor
  1. 0.83 (6)
  2. 0.93 (4)
  3. 0.94 (2)
  4. 0.95 (8)
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  2. Mini-tank (3)
Voltage (Volts)
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  2. 240 / 220 / 208 (4)
  3. N/A (4)
Number of Showers
  1. 3 (6)
  2. 2 to 3 (4)
  3. 2 (10)
  4. 1 (2)
Number of Sinks
  1. 2 (3)
  2. 1 (4)
BTU Rating View
  1. 199000 or More (8)
  2. 180000 to 195000 (4)
  3. 140000 to 175000 (6)
  4. Less than 140000 (2)
Indoor/Outdoor Installation
  1. Indoor (40)
  2. Outdoor (3)
  3. Indoor/outdoor (8)
Venting Type
  1. Kits (10)
  2. Straight Pipes (7)
Product Type
  1. Whole House (21)
  2. Point of Use (7)
  3. Gas Heater Accessory (16)
  4. Isolation/Service Valves (4)
  5. Electric Heater Accessory (10)
  6. Electric Heater Replacement Part (4)
  7. Gas Heater Replacement Part (64)
Material of Construction
  1. Brass (1)
  2. N/A (4)
  3. PVC (1)
  4. Stainless Steel (1)
  5. Stainless Steel AL29-4C (15)
  6. Lead-Free Brass (4)
Spare Part Type
  1. AO Smith Parts (10)
  2. Ariston Parts (10)
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  6. Heat Exchangers (21)
  7. Hydro Generators (1)
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Condensing Unit
  1. Yes (14)
  2. No (6)
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