SUNTEC A1YC-7946B B20, FUEL UNIT

The SUNTEC A1YC-7946B B20 Fuel Unit is a high-pressure, single-stage fuel pump designed for use with fuel oil #2 and lighter, including biodiesel blends up to B20 (20% biodiesel). Here are some key technical details:

• Motor Speed: 3450 RPM
• Flow Rate: 7 GPH (gallons per hour) at 100 PSI, and 2 GPH at 200 PSI
• Mounting: Two-bolt flange mounting, can be installed in any position except upside down
• Inlet and Outlet Ports: 1/4 NPTF for inlet, 1/8 NPTF for nozzle outlet, pressure gauge port, and bleeder valve port
• Pressure Regulation and Cut-off: Internal pressure regulator, adjustable from 100 to 200 PSI
• Suction Height: Maximum of 6 inches Hg vacuum for single-pipe systems and 17 inches Hg vacuum for two-pipe systems
• Temperature Range: 50°F to 115°F
• Compatibility: Suitable for B6 to B20 biodiesel blends, ensuring all components of the heating system are B20 compatible

The unit features a positive displacement involute gear set that draws fuel from the supply line and pressurizes it. It includes an internal by-pass plug for two-pipe systems, and the easy flow bleeder valve facilitates air bleeding