M34DM-3 - Webster - M34DM-3 Bio Pump

The Webster M34DM-3 is a single-stage biofuel-compatible fuel oil pump, specifically designed for residential and light commercial heating systems using biodiesel blends. Here's a detailed overview:

🔧 Technical Specifications

• Model: M34DM-3
• Pump Type: Single-stage
• Speed: 3450 RPM
• Rotation: Clockwise (CW) from shaft end
• Nozzle Port: Right-hand side
• Flow Rate: 3 GPH (Gallons Per Hour) at 3450 RPM
• Pressure Range: 75–190 PSI
• Recommended Operating Pressure: Maintains 3 GPH fire size from 100 to 150 PSI
• Inlet/Outlet: 1/4"-18 NPTF
• Cut-Off: Internal cut-off included
• Fuel Compatibility: Compatible with biodiesel blends from B5 to B100, as well as #1 and #2 fuel oil and kerosene