Does any one have the "Supplemental Heater"?

[Muldoon]

I have a 2010 250. I was told the supplemental heater will heat the cab until engine temperature rises enough to take over. Mine is either not working or is not very effective.

Anyone have this option? How does it work for you? What should I be seeing?

Thanks Fellas!

[superdutydixie]

I've read that it really doesn't help much. I don't have one but that's what I've read.

[toy hauler sd]

From the Diesel Supplement 4th printing (owners manual)

Rapid Heat supplemental heating system (if equipped)
The optional Rapid Heat feature is an electrically powered device that is
designed to provide supplemental heat during engine warm up. For
maximum effectiveness mid to low blower speed is recommended during
initial warm up. When operating in automatic mode (when equipped) the
climate control unit will determine the appropriate blower speed for
existing conditions.
Note: Additional aftermarket electrical loads operated during engine
warm up may impact the performance of the Rapid heat supplemental
heater.

[Muldoon]

Originally Posted by toy hauler sd

From the Diesel Supplement 4th printing (owners manual)

Rapid Heat supplemental heating system (if equipped)
The optional Rapid Heat feature is an electrically powered device that is
designed to provide supplemental heat during engine warm up. For
maximum effectiveness mid to low blower speed is recommended during
initial warm up. When operating in automatic mode (when equipped) the
climate control unit will determine the appropriate blower speed for
existing conditions.
Note: Additional aftermarket electrical loads operated during engine
warm up may impact the performance of the Rapid heat supplemental
heater.

Nice! I missed this in the manual. Thank You!

[tbsimmons]

I have it, the truck came with it, I did not order it.
Turn the blower on low.
It will put out some heat, it helps.
Would I order a truck with it for that reason, no.
Do I like it, yes.

[smotrs]

I have the Auto Climate controls and you can feel the heat very soon after the truck turns over. Very nice on some of those really cold mornings.

[Muldoon]

Outstanding! Thanks guys. I got it working this morning!