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630-125 - Febco Spring 825Y Inlet 3/4",1",11/4"

Febco 630-125 Spring for 825Y Reduced Pressure Assembly (3/4–1¼)

Brand: Febco
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$61.95
$46.47
SKU 630-125

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Replacement spring designed for the FEBCO Model 825Y reduced-pressure backflow assembly. This genuine Febco-compatible spring restores the first-check spring tension and is a direct-fit replacement for 3/4", 1" and 1-1/4" inlet sizes used on 825Y and 825YA units. Use this part to maintain reliable backflow protection in irrigation, commercial and industrial water systems.

  • Direct replacement for FEBCO 825Y and 825YA first-check spring; part number 630-125.
  • Compatible inlet sizes: 3/4", 1", and 1-1/4" (fits commonly used 825Y assemblies).
  • Restores correct spring preload to help ensure proper check valve seating and reliable relief operation.
  • Intended for professional service or trained technicians; follow safety notes when compressing or removing springs.
  • Refer to FEBCO installation and maintenance manuals (IOM-F-825_826) for removal, installation and testing procedures.

Important: The 825Y cap and inner components are spring-loaded. Always follow the FEBCO service instructions and use appropriate tools when servicing the assembly. After replacement, perform standard backflow tests per local code and the manufacturer’s maintenance manual to confirm correct operation.

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Frequently Asked Questions

What assemblies and models is this spring compatible with?
Compatible with FEBCO Model 825Y and 825YA reduced-pressure backflow assemblies in 3/4", 1", and 1-1/4" inlet sizes.
How do I install or replace this spring safely?
Follow the FEBCO installation and maintenance manuals (IOM-F-825_826). Cap is spring-loaded—use proper tools and caution; professional service is recommended.
Will replacing this spring restore proper backflow operation?
Yes. A worn or weakened first-check spring can cause improper seating; replacing it restores correct preload and helps the assembly meet performance when tested.