Changing just a heater box should be a pretty simple self project. That's basically what I did. Installed the d4 leaving all the plumbing and thermostat from my d2. It was pretty simple swap.
Changing just a heater box should be a pretty simple self project. That's basically what I did. Installed the d4 leaving all the plumbing and thermostat from my d2. It was pretty simple swap.