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Febco 905-348 #1 check assembly module for Series 860/880, metal body with visible inlet and outlet ports, fits 1/2" and 3/4" NPT connections.

Febco 905-348 Check Assembly Module for 860/880

Brand: Febco
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$93.66
$70.24
SKU 905-348
In Stock (2)

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Replacement #1 check assembly module engineered for Febco Series 860 and 880 reduced-pressure zone assemblies. This factory-style component restores proper check function and helps maintain code-required backflow protection for health-hazard applications in irrigation, fireline, and industrial systems. End connections are compatible with NPT threads per ANSI/ASME B1.20.1.

  • Compatible models: Febco Series 860 and 880 reduced-pressure assemblies.
  • Module number: #1 check module (replacement part).
  • Connection sizes: Designed for 1/2" and 3/4" end connections (NPT).
  • Primary use: Restores check valve function in reduced-pressure backflow preventers used on non-potable services.
  • Compliance: Intended to meet plumbing code and water authority requirements for health-hazard protection when installed per instructions.
  • Documentation included: Installation instructions, maintenance manual, relief valve assembly instructions, freeze-protection guidance, and product brochure.

This replacement module is supplied as a service part for technicians and facility maintenance teams. For safe, reliable operation, install and test the module according to the supplied installation and maintenance documents and local code. If you need help identifying the correct part for your assembly, consult a certified backflow tester or the manufacturer's technical support before installation.

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Frequently Asked Questions

What assemblies does this module fit?
This is the #1 check module for Febco Series 860 and 880 reduced-pressure assemblies, compatible with 1/2" and 3/4" end connections.
How do I install the replacement check module?
Install the module following the supplied installation instructions and local code; installation and testing should be performed by a qualified technician.
Are installation and maintenance documents provided?
Yes. The product includes installation instructions, a maintenance manual, relief valve guidance, freeze-protection notes, and a sales brochure.
How can I verify this is the correct replacement part?
Confirm the assembly model and module number on your backflow device and check manufacturer's documentation or consult a certified backflow tester before ordering.

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