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ZURN RK1-900XL3WF Winterization Flush Tube for 900XL3 - Winterization Tools
ZURNWinterization Tools

ZURN RK1-900XL3WF Winterization Flush Tube for 900XL3

The ZURN Winterization Flush Tube (MPN RK1-900XL3WF) is a flush tube designed for use with ZURN 900XL3 series backflow preventers. This winterization tool is compatible with the 900XL3, 950XL3, and 975XL3 series…

SKU 3G-OTH-439769

Also listed as: RK1900XL3WF · RK1 900XL3WF

Brand
ZURN
Item
RK1-900XL3WF Winterization Flush Tube for 900XL3
Category
Winterization Tools
Available to Order
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

ZURN
Manufacturer Part Number
RK1-900XL3WF
Type
900XL3, 950XL3/975XL3, Backflow Preventer
Product Type
Flush Tubes
Compatible with Series
900XL3
Compatible Product Type
Backflow Preventer

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ZURN Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The ZURN Winterization Flush Tube (MPN RK1-900XL3WF) is a flush tube designed for use with ZURN 900XL3 series backflow preventers. This winterization tool is compatible with the 900XL3, 950XL3, and 975XL3 series backflow preventers.

Frequently Asked Questions

What is the ZURN Winterization Flush Tube used for?

The ZURN Winterization Flush Tube (MPN RK1-900XL3WF) is used to drain and protect ZURN 900XL3, 950XL3, and 975XL3 series backflow preventers from freezing damage during cold weather. It connects to the backflow preventer to allow water evacuation, ensuring the device remains operational after winter.

What are the specifications of the ZURN Winterization Flush Tube?

The ZURN Winterization Flush Tube (MPN RK1-900XL3WF) is a flush tube designed for backflow preventers. It is compatible with ZURN 900XL3, 950XL3, and 975XL3 series. The product type is flush tubes, and it is specifically engineered for winterization of these backflow preventer models.

Where to buy the ZURN Winterization Flush Tube worldwide?

You can source the ZURN Winterization Flush Tube (MPN RK1-900XL3WF) through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this winterization tool.

How to install the ZURN Winterization Flush Tube?

To install the ZURN Winterization Flush Tube (MPN RK1-900XL3WF), first isolate the backflow preventer and relieve pressure. Attach the flush tube to the test cock or drain port on the ZURN 900XL3 series device. Open the valve to drain water completely. Follow local plumbing codes and manufacturer guidelines for safe winterization.

Used in

Common applications for ZURN
Commercial restrooms — ZURN AquaVantage® automatic flush valves (ZER6000AV series) for water-efficient toilet flushing
Institutional kitchens — ZURN cast iron floor drains (ZN415 series) for heavy-duty drainage in food preparation areas
Industrial washdown areas — ZURN height-adjustable PVC floor drains (EZ1 series) for chemical-resistant drainage
Hospital patient rooms — ZURN dome strainers (P1910 series) for floor sink drainage in sanitary environments
Office building maintenance — ZURN chrome-plated brass P-traps (ZR365B-PC) for sink trap replacements
Urinal retrofit projects — ZURN ZTR sensor flush valve retrofit kits (ZTR6203 series) for upgrading manual urinal flush valves

ZURN Products

3G Electric supplies ZURN winterization tools. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
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ZURN WILKINS Backflow Preventer: 950XL3, 1 1/4 in Pipe Size, MNPT x MNPT, 15.25 in Overall Lg, 950 (MPN 114-950XL3)
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ZURN WILKINS Backflow Preventer: 950XL3, 3/4 in Pipe Size, MNPT x MNPT, 9.47 in Overall Lg, Bronze (MPN 34-950XL3)
ZURN WILKINS
ZURN WILKINS Backflow Preventer: 950XL3, 3/4 in Pipe Size, MNPT x MNPT, 9.47 in Overall Lg, Bronze (MPN 34-950XL3)
ZURN WILKINS Backflow Preventer: 350XL, 1 in Pipe Size, Flange x Flange, 12.25 in Overall Lg, Bronze (MPN 1-350XL)
ZURN WILKINS
ZURN WILKINS Backflow Preventer: 350XL, 1 in Pipe Size, Flange x Flange, 12.25 in Overall Lg, Bronze (MPN 1-350XL)
ZURN WILKINS Backflow Preventer: 950XL3, 1 1/2 in Pipe Size, MNPT x MNPT, 15.94 in Overall Lg, 950 (MPN 112-950XL3)
ZURN WILKINS
ZURN WILKINS Backflow Preventer: 950XL3, 1 1/2 in Pipe Size, MNPT x MNPT, 15.94 in Overall Lg, 950 (MPN 112-950XL3)

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Flush tube designed for use with ZURN 900XL3, 950XL3, and 975XL3 backflow preventers. Used to drain water from the assembly during cold weather to prevent freeze damage. Suitable for winterization maintenance of backflow prevention systems in commercial and industrial water lines
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