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Photograph of FEBCO 630-137 stainless inlet (first-check) spring for 825Y reduced pressure backflow assemblies, fits 1.5"–2" sizes.

FEBCO 630-137 Stainless Inlet Spring for 825Y 1.5–2 in

Brand: Febco
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$129.77
$97.33
SKU 630-137

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OEM Febco replacement inlet (first-check) spring for 825Y series reduced pressure zone backflow assemblies. Designed for 1.5 in and 2 in inlet sizes, this stainless steel spring restores correct check valve tension and helps maintain reliable relief valve operation during service and testing.

  • OEM Febco part number 630-137: direct replacement for 825Y, 825YA, LF825Y, and LF825YA models.
  • Fits inlet sizes 1.5" and 2" (first check/inlet spring) used on 825Y family reduced pressure assemblies.
  • Stainless steel construction resists corrosion and preserves spring tension for consistent valve performance.
  • Factory replacement part ensures correct fit and safe backflow protection when performing repairs or maintenance.
  • Simple field service following Febco instructions; refer to manufacturer documentation for disassembly, spring replacement, and testing.

Keep this OEM spring on hand for scheduled maintenance or repairs. Always follow local codes and the Febco maintenance manual when servicing backflow assemblies; if in doubt, consult a licensed backflow technician. Downloadable installation, specification, and maintenance documents are available on the product page.

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Frequently Asked Questions

What sizes and models is this spring compatible with?
Compatible with Febco 825Y family (825Y, 825YA) and LF825Y/LF825YA lead-free assemblies in 1.5" and 2" inlet sizes.
Is this an OEM Febco replacement part?
Yes. This is the genuine Febco part number 630-137, the factory replacement inlet (first-check) spring for 825Y series assemblies.
What material is the spring made of and why does it matter?
Made from stainless steel to resist corrosion and retain tension, preserving check seating and ensuring continued backflow protection during service.
Can I install this spring myself or need a technician?
Qualified DIYers can follow Febco instructions, but follow local codes and testing requirements; licensed backflow technicians are recommended for inspection and certification.