![Cummins 330/370 5.9 Manifold Output](https://www.sbmar.com/wp-content/uploads/2015/09/BHeater.jpg)
![6CTA 8.3-"450 Diamond" Outlet](https://www.sbmar.com/wp-content/uploads/2015/09/CHotoutlet.jpg)
![6CTA 8.3-"450 Diamond" Inlet](https://www.sbmar.com/wp-content/uploads/2015/09/CInlet.jpg)
![Typical 'T' and mini-valve. They work great for heater outlets and inlets](https://www.sbmar.com/wp-content/uploads/2015/09/HeateOutManifold.jpg)
![These mini valves are small, simple & reliable. Plus they come as a male by female pipethread which eliminates an extra fitting.](https://www.sbmar.com/wp-content/uploads/2015/09/HeaterInletPort.jpg)
Plus they come as a male by female pipethread which eliminates an extra fitting.
![Cummins 330/370 5.9-inlet or return to engine](https://www.sbmar.com/wp-content/uploads/2015/09/HeaterValves.jpg)
Above C series coolant return lines.
Tee into either of these with a standard Brass Pipe Tee. The larger lower line will yield a higher flow.
Above C series coolant return lines.
Tee into either of these with a standard Brass Pipe Tee. The larger lower line will yield a higher flow.