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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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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

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

Technical Documents

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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.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

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
This ZURN vacuum breaker outlet tube is a replacement part for flush valves, constructed of brass. It includes a nut and has an overall width of 21 3/4 inches. Designed for use in commercial restroom flush valve systems to prevent back-siphonage
ZURN
This ZURN vacuum breaker outlet tube is a replacement part for flush valves, constructed of brass. It includes a nut and has an overall width of 21 3/4 inches. Designed for use in commercial restroom flush valve systems to prevent back-siphonage
This vacuum breaker outlet tube with nut is a replacement component for flush valves in commercial toilet systems. Constructed of rubber with a brass nut, it includes the vacuum breaker assembly. Designed for use with ZURN Aquaflush® series flush valves, it prevents backflow by breaking the vacuum in the supply line
ZURN
This vacuum breaker outlet tube with nut is a replacement component for flush valves in commercial toilet systems. Constructed of rubber with a brass nut, it includes the vacuum breaker assembly. Designed for use with ZURN Aquaflush® series flush valves, it prevents backflow by breaking the vacuum in the supply line
Double check backflow preventer with 1 1/4 in pipe size and MNPT x MNPT connections. Features ball valve shut-off type and overall length of 15.25 in. Used to prevent reverse flow in potable water systems due to backpressure or backsiphonage, suitable for cross-connection control in commercial and industrial plumbing
ZURN WILKINS
Double check backflow preventer with 1 1/4 in pipe size and MNPT x MNPT connections. Features ball valve shut-off type and overall length of 15.25 in. Used to prevent reverse flow in potable water systems due to backpressure or backsiphonage, suitable for cross-connection control in commercial and industrial plumbing
Double check backflow preventer with bronze body, 3/4 in MNPT x MNPT connections, and ball valve shut-off. Overall length 9.47 in. Used to prevent reverse flow in potable water systems due to backpressure or backsiphonage
ZURN WILKINS
Double check backflow preventer with bronze body, 3/4 in MNPT x MNPT connections, and ball valve shut-off. Overall length 9.47 in. Used to prevent reverse flow in potable water systems due to backpressure or backsiphonage
Double check backflow preventer with bronze body, 1 in pipe size, flange x flange connections, and ball valve shut-off. Overall length 12.25 in. Used to prevent reverse flow in water lines due to backpressure or backsiphonage
ZURN WILKINS
Double check backflow preventer with bronze body, 1 in pipe size, flange x flange connections, and ball valve shut-off. Overall length 12.25 in. Used to prevent reverse flow in water lines due to backpressure or backsiphonage
Double check backflow preventer with 1-1/2 in pipe size and male NPT connections. Features ball valve shut-off type. Overall length 15.94 in. Suitable for non-health-hazard cross-connections in water supply lines
ZURN WILKINS
Double check backflow preventer with 1-1/2 in pipe size and male NPT connections. Features ball valve shut-off type. Overall length 15.94 in. Suitable for non-health-hazard cross-connections in water supply lines

More from ZURN

View all ZURN parts →
This flush tube is a winterization tool designed for draining backflow preventers to protect against freeze damage. Compatible with ZURN 900XL3, 950XL3, and 975XL3 series backflow preventers. Used in commercial and industrial water systems for cold-weather maintenance
ZURN
This flush tube is a winterization tool designed for draining backflow preventers to protect against freeze damage. Compatible with ZURN 900XL3, 950XL3, and 975XL3 series backflow preventers. Used in commercial and industrial water systems for cold-weather maintenance
Flush tube designed for use with ZURN 900XL3, 950XL3, and 975XL3 series backflow preventers. Used to drain and protect backflow prevention assemblies during cold weather conditions
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Flush tube designed for use with ZURN 900XL3, 950XL3, and 975XL3 series backflow preventers. Used to drain and protect backflow prevention assemblies during cold weather conditions
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
ZURN
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