The dual check lead-free backflow preventer with an atmospheric port is designed to prevent the backflow of boiler system fluid into the potable water supply. Designed for either cold or hot water applications with a temperature range of 33-210° F, the BFPNL Series with ASSE 1012 certification is suitable for both residential and commercial systems.
• Maximum working pressure: 175 psi
• Inlet temperature range: 33°F – 210°F
• Maximum backflow temperature: 250°F
• Glycol: Up to 50%
• Can be installed horizontally or vertically (flow up condition only)
• Lead free
½” FNPT x ½” FNPT
½” SWT x ½” SWT
¾” FNPT x ¾” FNPT
¾” SWT x ¾” SWT
Flamco has been involved in the development, production and sale of high-quality components for use in HVAC systems since 1956. It is part of the stocklisted Aalberts NV, instituted in 1975. Along with Nexus, which provides balancing & control products that increase comfort in buildings, the Aalberts hydronic flow control business unit was constituted. Stronger together, Flamco and Nexus will continue to build mission critical technologies to manage heating and cooling humanly with better financial and environmental efficacy. From source to emitter we partner with our customers to engineer seamless energy efficient hydronic systems for their building requirements.