Skip to Navigation Skip to Content

ribbon image Stock Up on Real OEM HVAC Parts for the Summer Season!  SHOP NOW

Important Update: Click here for the latest information on tariffs and their impact on our industry.

Bunn 48345.0002 Backflow Preventer with Double Check & Vent, 3/8" Male Flare

Log in to enable Quick Order
Something went wrong. Please try again.
Manufacturer:
Manufacturer #:
48345.0002
Parts Town #:
BU48345.0002
Previous Part #:
Units:
Each
Fits Models:

Bunn 48345.0002 Genuine OEM Replacement Part

A Bunn 48345.0002 Backflow Preventer with Double Check & Vent blocks reverse water flow to protect internal components and support sanitary performance.

  • Installing real OEM valves and fittings supports seamless compatibility with your system's connections and flow path for proper integration
  • Product Type: Backflow Preventer
  • Connection Size: 3/8"
  • Fitting Type: Male Flare
  • Body Pattern: Double Check & Vent

Common Questions and Answers

Why is the Bunn 48345.0002 Backflow Preventer with Double Check & Vent essential to the equipment's operation?

The backflow preventer with double check & vent prevents contaminated water from reversing into the incoming supply while maintaining proper directional flow through the equipment. Its double-check-and-vent design and 3/8" male flare connection provide reliable sealing, pressure protection and secure installation in water-fed systems.

How can I tell if the Bunn 48345.0002 Backflow Preventer with Double Check & Vent might be failing?

The backflow preventer with double check & vent might be failing if the equipment has irregular water flow, pressure loss or possible backflow-related performance issues during operation. Physical signs can include leaks at the flare connection, while environmental signs may include moisture buildup, corrosion or mineral deposits around the valve body.

Read More FAQs

When can I expect my Bunn 48345.0002 Backflow Preventer with Double Check & Vent to ship?

Parts Town provides same-day shipping on in-stock real OEM replacement parts Monday—Friday until 9 PM ET, as well as on Saturday until 4 PM ET for online air orders. If you place an order after that time, we'll process it the next business day.

How do I check the delivery status of my Bunn 48345.0002 Backflow Preventer with Double Check & Vent?

Track your real OEM parts once they've shipped by going to our Track My Order page and entering your order number or purchase order (PO) number along with your zip code. With delivery details available in real time, it's easy to stay informed on how your shipment is progressing.

What customer support options are available for my Bunn 48345.0002 Backflow Preventer with Double Check & Vent?

We provide several ways to get assistance with your real OEM replacement parts 8 AM to 9 PM ET Monday—Friday through chat, email, phone and more. Check our Contact Us page for more information on ways to get in touch with us.

Does Parts Town have a return policy for the Bunn 48345.0002 Backflow Preventer with Double Check & Vent?

Of course! We provide the option to return most new, unopened real OEM replacement parts within 90 days of delivery, so head to our Returns page to see if your order qualifies. Return eligibility may differ for custom orders.

  • Length:
    3 in / 7.62 cm
  • Width:
    2 in / 5.08 cm
  • Height:
    1 in / 2.54 cm
  • Weight:
    Not Available