Bosch 4TWHVK3SII Tankless Water Heater Horizontal Vent Kit for 940 ES & 830 ES Models

SKU: 826570
Brand: Bosch Model: 4TWHVK3SII Condition: New

Bosch 4TWHVK3SII Tankless Vent Kits

Our Price: $244.99
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The Bosch 4TWHVK3SII Horizontal Vent Kit allows you to mount your Bosch Therm 830ES and 940ES tankless water heaters to a side wall. The Bosch 4TWHVK3SII Horizontal Vent Kit is required in all side wall installations. The Bosch 4TWHVK3SII Horizontal Vent Kit features all stainless steel venting parts. Included in the Bosch 4TWHVK3SII Horizontal Vent Kit is one 3" by 12" vent pipe, one 3" by 18" length of pipe, one wall thimble, one termination box and one air intake box. The air intake featured in the Bosch 4TWHVK3SII Horizontal Vent Kit can be brought in to your tankless water heater by 3" PVC pipe (not included).


  • For use with Bosch models 940ES and 830ES
  • For horizontal venting


  • Model: 4TWHVK3SII
  • Diameter: 3"
  • Max Duct Length: 26"
  • Max Length: 26"
  • Minimum Length: 3"
  • Weight: 6.77lbs

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