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Due to an extreme amount of orders. Phone-in customer service is not available. Voice mails will not be returned. Email inquires will be answered within 24 hours. Orders placed online will be shipped on time.div>

Backflow Valves

Backflow Valves
Complete Plumbing Source’s Backflow Valves are designed to prevent the backflow of heating system fluid and contaminated water from drinking water. They have a dual check design with a vent and are made from brass.
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  1. Caleffi 573503A 3/4" NPT Female Dual Check Backflow Preventer w/ Atmospheric Vent
    Caleffi 573503A 3/4" NPT Female Dual Check Backflow Preventer w/ Atmospheric Vent
    $58.50
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