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Watts Backflow Preventer Retrofit-Spools

Replaces your old or ineffective backflow preventers with a fast and flexible approach.

Lead Free* Models Available


Various sizes/models


Our spools for retrofitting backflow preventers are used in any sort of piping application where an additional fitting lay length is needed. They are attainable in stainless steel or zinc-plated carbon steel in a wide range of configuration options. They feature a unique design for outside-the-shutoff valve. Configuration is not limited by approvals and inside-the-shutoff valves. You’re able to custom order only what you need for your specific job: Backflow Preventer + (ACV, Strainer, Spool, or Custom Fitting). It will be shipped quickly, pre-configured, pre-fabricated, and fully assembled.

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Disclaimer: Ames product dimensions in U.S. customary units and metric are approximate and are provided for reference only. For precise measurements, please contact Ames Technical Service. Ames reserves the right to change or modify product design, construction, specifications, or materials without prior notice and without incurring any obligation to make such changes and modifications on Ames products previously or subsequently sold.

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*The wetted surface of this product contacted by consumable water contains less than 0.25% of lead by weight.