4" Backflow Damper

Model Number: TK-BF01  | Menards® SKU: 6651003

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4" Backflow Damper

Model Number: TK-BF01  |  Menards® SKU: 6651003

Online Price

  • Description 

This 4" backflow prevention pipe is used in colder climates or where colder air may affect the performance of the tankless unit. It also serves as part of a protection regimen against the unit's heat exchanger freezing which voids the warranty.

  • High quality-category III stainless steel
  • Versatility-use with vertical and horizontal terminations
  • Use with Hydro Smart 170 models HS170NG & HS170LP
  • UL listed
  • Model # TK-BFO1

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Please Note: Prices, promotions, styles and availability may vary by store and online. While we do our best to provide accurate item availability information, we cannot guarantee in-stock status and availability as inventory is sold and received continuously throughout the day. Inventory last updated 12/22/2014 at 5:00am EST. Online orders and products purchased in-store qualify for rebate redemption. Rebates are provided in the form of a merchandise credit check which can only be used in a Menards store.
Online Availability

Receive as soon as 2-3 weeks

Store Availability