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My Cummins Shop Manual shows the Hot Water hook up for the cab heater to be;
Heater feed, 3/4" NPTF Heater connection on left side, rear of head and the Return connection to be a 1/2" NPTF port on the lower water inlet elbow. I have used this hookup on another conversion and had reasonably good heat.
However, I have heard of some guys hooking the feed from the port on the Thermostat housing and returning it to the lower water inlet elbow port. Has anyone tried your heater with this connection ? It gets Bloody Cold where I live and I want the best possible hot water flow for my heater.
Thanks
Paul
Heater feed, 3/4" NPTF Heater connection on left side, rear of head and the Return connection to be a 1/2" NPTF port on the lower water inlet elbow. I have used this hookup on another conversion and had reasonably good heat.
However, I have heard of some guys hooking the feed from the port on the Thermostat housing and returning it to the lower water inlet elbow port. Has anyone tried your heater with this connection ? It gets Bloody Cold where I live and I want the best possible hot water flow for my heater.
Thanks
Paul