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Zurn Wilkins  |  SKU: RK34-375BOF

Wilkins RK34-375BOF | 3/4" Blow Out/Flush Fitting for Backflow Preventers

Regular price $ 42.99

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Important Note on Delivery Times

All shipping estimates provided are approximate only. While we always strive to meet or exceed your delivery expectations, we cannot guarantee the exact delivery times listed.

For time-sensitive orders, please contact us directly so we can provide a more accurate lead time estimate based on your specific requirements.

Same Day Shipping

All in stock orders received before 3PM EST will ship the same day. Orders received after 3PM EST will ship the following business day. 

Water Filters, Hand Dryers, & Indoor Bottle Fillers are our most popular in stock items. 

Outdoor Tubular Drinking Fountains

Evergreen normally ships in 5-15 days. Black, Gray and Blue ship in 2-4 weeks. 

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In stock units ship within 48 hours. Other units normally ship in 2-4 weeks.

Other

Orders that ship directly from a manufacturer normally have a firm shipping estimate but those dates are subject to change due to manufacturer production, inventory or shipping. We do our best to estimate ship dates but orders shipping directly from the manufacturer can have unexpected delays. We will confirm tracking information when orders ship directly from a manufacturer but may not have updates or estimates beyond the original estimate. Once your order is placed with the manufacturer, it may not be able to be cancelled even if it hasn't shipped yet.  

Please contact support@bottlefillingstations.com to confirm delivery time for a specific product or quantity. Or to inquire about an existing order. 


Special Case Shipping Rates

 

Please note that shipping rates are subject to change at any time.  We reserve the right to charge an additional fee in addition to the regularly advertised shipping fee for shipping to remote areas not easily accessible by typical freight carrier means (i.e. islands only accessible by ferry). If your order falls into this category, you will be notified upon receipt of your order, and have the option to complete the purchase with additional fee or to cancel the order.  Please note, these instances are very rare, as most locations are reachable by regular freight. If you have any questions, please contact us! 


Key Terms & Conditions

 

Exceptions may apply to islands and other remote territories.

All orders shipped by the carrier of our choice.  

 

 

 


 

 

 

The Wilkins RK34-375BOF is a 3/4" accessory fitting designed for debris removal, winterization, and flushing new installations on compatible backflow preventers.

 

Key Specifications:

  • Size: 3/4 Inches
  • Function: Blow-Out and Flush
  • Compatibility: Compatible backflow preventers
  • Package Contents: Fitting and two O-rings
  • Application: Debris purging and winterization

 

Other Related Variants:

  • RK1-375BOF: 1 Inch model version

 

Materials:

  • Durable brass construction
  • O-ring seals included

 

Typical Installation:

The Zurn RK34-375BOF is installed on compatible backflow preventers to facilitate system maintenance. It is used to purge debris from water lines during initial installation, assist in winterization blow-out procedures to prevent freeze damage, and flush new installations before they foul internal check valves. This accessory fitting ensures proper system operation and extends the service life of backflow prevention assemblies.

 

Standards Compliance:

Designed for use with ASSE-listed and USC-certified backflow prevention assemblies

 

Features & Benefits:

  • Debris Removal: Effectively purges sediment and debris from water lines before they reach internal check valves.
  • Winterization Support: Facilitates complete blow-out of water lines to prevent freeze damage during cold weather.
  • Easy Installation: Includes two O-rings for quick, secure installation on compatible backflow preventers.
  • System Protection: Helps flush new installations to prevent premature fouling and maintain optimal backflow preventer performance.

 

FAQ

 

Q: What backflow preventers is the Wilkins RK34-375BOF compatible with?

A: The RK34-375BOF is designed for use with compatible 3/4 inch Wilkins backflow prevention assemblies. Verify compatibility with your specific model before ordering.

Q: How do I use this fitting for winterization?

A: Install the Zurn RK34-375BOF on the test cock port of your backflow preventer, then connect an air compressor to blow out remaining water from the lines to prevent freeze damage.

Q: Does this fitting come with all necessary installation components?

A: Yes, the RK34-375BOF includes one blow-out/flush fitting and two O-rings for complete installation on compatible backflow preventers.

 

NOTICE: Do not use with water that is unsafe or of unknown quality without adequate disinfection either before or after the system.

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