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Read more about how the ICV Defender check valve can be a critical protection point for your customers. »

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McGuire's mechanical integral check valve was designed to protect the buildings water supply.

Ideal for jobs such as:

  • Healthcare
  • Education
  • Hospitality
  • High-use public facilities

Designed to be an effective solution as a last line of defense against reverse flow and cross-connection contamination that results in harmful bacteria known to contaminate water systems.

How It Works

ICV Defender Spec Binder

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McGuire is assisting the backflow protection profession and the plumbing industry with a valve that provides peace of mind with added protection of the potable water supply,

Julius Ballanco, P.E., CPD, FASPE, JB Engineering and Code Consulting, P.C.

Download Engineering Report

An independent analysis of McGuire's integral check valve series, ICV Defender. View, share, and print from any device.

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Product Certifications
Product Certifications

The ICV Defender valve is a spring actuated integral check valve manufactured to McGuire's heavy pattern angle stop specification. It is completely serviceable and requires no third-party components. Available in IPS, sweat and compression connections both wheel handle and loose key. Backed by a 3-year warranty and IAPMO and NSF/ANSI 61 & 372 certified. US Patent # 11112019.

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