DCDAfire

For product-specific approval information, please refer to the product’s specification sheet or contact us. For general information regarding any approval certification partners identified in the specification sheet, please visit our certification partners’ websites:

Series 757ISR DCDA double check detector backflow preventer assemblies are used to prevent backflow of non-health hazard pollutants that are objectionable but not toxic, from entering the potable water supply system. Series 757ISR may be installed under continuous pressure service and may be subjected to backpressure and backsiphonage. Series 757ISR consists of two independently operating check valves, and three test cocks.

DCDAvs DCVA

Series 757ISR DCDA double check detector backflow preventer assemblies are used to prevent backflow of non-health hazard pollutants that are objectionable but not toxic, from entering the potable water supply system. Series 757ISR may be installed under continuous pressure service and may be subjected to backpressure and backsiphonage. Series 757ISR consists of two independently operating check valves, and three test cocks.

Sign up for inside scoop on promotions, discounts, special events, training opportunities, and company news! Learn more about Email Subscription by visiting our FAQs page.