
The in-bowl electric heater helps with cold starting, while the recirculating valve uses unused warm engine fuel returning to the tank to help provide full-flow on-demand heated fuel to the filter at full engine load. Approved for biodiesel fuels to B20, GreenMax also has dual inlet and outlet ports, a flow rate of up to 150 GPH (568 LPH), a standard water-in-fuel sensor and a large clear bowl for visual fuel-quality checks.
Parker Hannifin Corp. Racor Division, www.parker.com/racor








![Volvo Vnl Sleeper Review[20]](https://img.ccjdigital.com/mindful/rr/workspaces/default/uploads/2025/11/volvo-vnl-sleeper-review20.lrVppY9UDR.jpg?auto=format%2Ccompress&fit=crop&h=167&q=70&w=250)

